← The evidence ledger
Evidence row 222616
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 3aff4ff0-e87d-4560-b36f-009df54f294a
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cb340dd89820c6a563183708199b4d851ef985f7c1c581f1a00fdf0e45f5728d
- Leaf
- 0x0a8b766b1852d9595a7f8e176053150f5ad95f9d5e757296888e325141bea46b
What was observed
{
"count": 88,
"tools": [
{
"description": "Create a timestamped content fingerprint of client-provided claims and source URL with explicit unsigned/unverified provenance. No fabricated signed attestation. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"claims": {
"items": {
"maxLength": 600,
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"source_url": {
"format": "uri",
"type": "string"
}
},
"required": [
"source_url",
"claims"
],
"type": "object"
},
"name": "agent-evidence-fingerprint"
},
{
"description": "Pre-trade context bundle for autonomous crypto agents: wallet balance, allowance, gas, realtime price, 24h statistics and best bid/ask. Call immediately before every automated trade, swap or payment and refresh again before the next execution. Data only. Costs $0.01 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"balance_tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"product_id": {
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"token_contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"address",
"spender",
"token_contract",
"product_id"
],
"type": "object"
},
"name": "agent-pretrade-context"
},
{
"description": "Compare independently supplied, explicitly attributed supplier quotes by quoted cost; does not execute external purchasing or claim live supplier verification. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"quotes": {
"items": {
"additionalProperties": true,
"properties": {},
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"quotes"
],
"type": "object"
},
"name": "agent-procurement-quote"
},
{
"description": "Transaction confirmation watch for autonomous agents. Poll about every 15 seconds while pending, reusing the returned next request/state, and stop automatically once confirmed or reverted. Costs $0.003 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tx_hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "agent-transaction-watch"
},
{
"description": "Recurring crypto treasury snapshot for autonomous agents: balances, gas and recent USDC/ERC-20 activity with cursor/state and a ready next request. Designed for scheduled treasury/accounting loops; repeat about every five minutes while active. Costs $0.01 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"activity_contract": {
"description": "ERC-20 activity contract; defaults to USDC.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"activity_cursor": {
"minimum": 0,
"type": "integer"
},
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "agent-treasury-snapshot"
},
{
"description": "Recurring wallet monitor for crypto agents. Check balances and new USDC/ERC-20 transfers since the prior cursor, then return a ready next request. Designed to be called about every 60 seconds for deposit detection, payment monitoring and treasury alerts. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"activity_contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"cursor": {
"minimum": 0,
"type": "integer"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "agent-wallet-monitor"
},
{
"description": "Perform one operator-authorized HEAD request to a public supplier endpoint using SSRF-safe existing gateway HTTP tooling; no paid crawler triggering. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"operator_authorized": {
"type": "boolean"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"operator_authorized"
],
"type": "object"
},
"name": "authorized-endpoint-health"
},
{
"description": "Read-only Base execution-gas estimate compared to caller-defined wei fee ceiling. Does not quote total Base transaction fees (L1 data fee unknown), nor transact. Costs $0.001 Base USDC via x402. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"gas_limit": {
"maximum": 3000000,
"minimum": 21000,
"type": "integer"
},
"max_execution_fee_wei": {
"pattern": "^\\d{1,30}$",
"type": "string"
},
"network": {
"const": "base",
"type": "string"
}
},
"required": [
"gas_limit",
"max_execution_fee_wei"
],
"type": "object"
},
"name": "base-gas-execution-fee-preflight"
},
{
"description": "Independently inspect Base on-chain USDC Transfer logs to the Industrial Platform seller for one transaction. Does not claim x402 HTTP execution or production intent. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"tx_hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "base-usdc-receipt-proof"
},
{
"description": "Base64 encode decode UTF-8 text in one endpoint. Supports standard and URL-safe Base64 decoding. Use mode encode or decode for deterministic agent data conversion. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"mode": {
"enum": [
"encode",
"decode"
],
"type": "string"
},
"text": {
"description": "Input text or Base64 value.",
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "base64"
},
{
"description": "Base64 decode a standard Base64 string into UTF-8 text for API payload recovery, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"value": {
"maxLength": 400000,
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"name": "base64-decode"
},
{
"description": "Base64 encode UTF-8 text into a standard Base64 string for API payloads, binary-safe transport, data conversion and agent workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "base64-encode"
},
{
"description": "Roundhouse-canonical crypto OHLCV series for recurring market-data workflows. Input symbol, interval and optional since; output normalized oldest-first candles. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"interval": {
"enum": [
"1m",
"5m",
"15m",
"1h",
"6h",
"1d"
],
"type": "string"
},
"since": {
"type": "string"
},
"symbol": {
"description": "Token symbol or trading pair, e.g. BTC or BTC-USD.",
"type": "string"
}
},
"required": [
"symbol",
"interval"
],
"type": "object"
},
"name": "canonical-crypto-ohlcv"
},
{
"description": "Roundhouse-canonical crypto spot price for recurring trading-agent polling. Input symbol plus optional quote; output symbol, price, quote_currency, 24h change and as_of. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"quote": {
"description": "Quote currency; defaults to USD.",
"type": "string"
},
"symbol": {
"description": "Token symbol or trading pair, e.g. BTC or BTC-USD.",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"name": "canonical-crypto-spot-price"
},
{
"description": "Roundhouse-canonical page-to-Markdown endpoint for recurring agent ingestion. Input url plus optional render_js=false; output url, title, markdown and HTTP status. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"render_js": {
"type": "boolean"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "canonical-web-scrape"
},
{
"description": "Latest EVM block height for Base or Ethereum via eth_blockNumber. Use for chain-tip checks, block polling, synchronization, indexers, trading agents and recurring blockchain monitoring. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"type": "object"
},
"name": "chain-block-number"
},
{
"description": "Check the current ERC-20 allowance from an owner wallet to a spender contract on Base or Ethereum. Returns the exact raw allowance for USDC and arbitrary ERC-20 tokens. Use before swaps, recurring payments and autonomous contract execution. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"contract": {
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"owner": {
"type": "string"
},
"spender": {
"type": "string"
}
},
"required": [
"owner",
"spender",
"contract"
],
"type": "object"
},
"name": "chain-erc20-allowance"
},
{
"description": "ERC-20 token balance for any EVM wallet and token contract on Base or Ethereum via balanceOf eth_call. Returns the exact raw integer balance for USDC, USDT, DAI and arbitrary ERC-20 tokens. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address",
"contract"
],
"type": "object"
},
"name": "chain-erc20-balance"
},
{
"description": "Get current gas conditions on Base or Ethereum: chain tip, legacy gas price, latest block base fee and gas utilization. Use for transaction timing, fee checks, pre-trade context and autonomous transaction execution. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"type": "object"
},
"name": "chain-gas-state"
},
{
"description": "Live wallet balance in one call: native ETH plus up to 20 caller-supplied ERC-20 token balances on Base or Ethereum. Built for portfolio agents, treasury monitors, wallet intelligence and recurring balance polling. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "chain-live-balance"
},
{
"description": "Live native ETH balance for any public EVM wallet on Base or Ethereum via eth_getBalance. Returns exact wei as a decimal string for agents, portfolio monitors and blockchain automation. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "chain-native-balance"
},
{
"description": "Check whether a transaction is pending, confirmed or reverted on Base or Ethereum. Designed for polling: retry about every 15 seconds while pending and stop once confirmed or reverted. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "chain-transaction-status"
},
{
"description": "Monitor recent ERC-20/USDC transfers for one wallet and return next_cursor for efficient recurring polling. Designed for stablecoin payment detection and treasury loops; repeat about every 60 seconds while monitoring is active. Costs $0.002 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"type": "string"
},
"contract": {
"description": "ERC-20 contract; defaults to USDC on the selected network.",
"type": "string"
},
"cursor": {
"minimum": 0,
"type": "integer"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "chain-wallet-activity"
},
{
"description": "Convert URL to clean Markdown for RAG. Convert a public webpage URL into clean agent-ready Markdown for grounding, research, summarization and LLM context. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"max_chars": {
"maximum": 150000,
"minimum": 1000,
"type": "integer"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"description": "Public http(s) webpage URL.",
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "convertUrlToMarkdown"
},
{
"description": "Crypto 24-hour statistics from Coinbase Exchange for autonomous market monitoring. Repeat about every 60 seconds while an active trading or dashboard workflow is running. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-24h-stats"
},
{
"description": "Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"end": {
"description": "Optional Unix end timestamp in seconds.",
"minimum": 0,
"type": "integer"
},
"granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
},
"limit": {
"description": "When start/end are omitted, target this many recent bars; default 100.",
"maximum": 300,
"minimum": 1,
"type": "integer"
},
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"start": {
"description": "Optional Unix start timestamp in seconds.",
"minimum": 0,
"type": "integer"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-candles"
},
{
"description": "One-call realtime crypto market snapshot for trading agents: price, bid/ask, 24h stats, top-of-book, recent trades and OHLCV candles. Designed for repeated market polling; refresh about every 30 seconds for active trading or monitoring workflows. Costs $0.008 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"candle_granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
},
"candle_limit": {
"maximum": 300,
"minimum": 5,
"type": "integer"
},
"product_id": {
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"trade_limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-market-snapshot"
},
{
"description": "Realtime crypto price from Coinbase Exchange for trading agents and market monitors. Designed for repeated polling; refresh about every 15 seconds during active trading or alerting workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-price"
},
{
"description": "Fetch recent crypto trades from Coinbase Exchange for a trading pair, including trade id, price, size, side and timestamp. Use for tape analysis, market monitoring and trading-agent context. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"limit": {
"description": "Maximum trades to return; default 50.",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-recent-trades"
},
{
"description": "Realtime crypto top-of-book data for autonomous execution: best bid, best ask, sizes and sequence. Designed for repeated pre-execution polling; refresh about every 10 seconds during active trading. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto-top-of-book"
},
{
"description": "Recurring best-bid/best-ask market data for autonomous execution and spread monitoring. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto_book"
},
{
"description": "Recurring OHLCV candle data for trading, indicators and market monitoring. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"end": {
"description": "Optional Unix end timestamp in seconds.",
"minimum": 0,
"type": "integer"
},
"granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
},
"limit": {
"description": "When start/end are omitted, target this many recent bars; default 100.",
"maximum": 300,
"minimum": 1,
"type": "integer"
},
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"start": {
"description": "Optional Unix start timestamp in seconds.",
"minimum": 0,
"type": "integer"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto_candles"
},
{
"description": "Recurring realtime crypto price lookup for autonomous trading and monitoring. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"product_id": {
"description": "Coinbase Exchange product such as BTC-USD, ETH-USD, SOL-USD or ETH-USDC.",
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "crypto_price"
},
{
"description": "Detect whether a webpage changed. Compare current content against a previous hash or previous text and return deterministic hashes and diffs. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"type": "string"
},
"type": "array"
},
"include_current_text": {
"type": "boolean"
},
"max_diff_chars": {
"maximum": 50000,
"minimum": 1000,
"type": "integer"
},
"max_text_chars": {
"maximum": 250000,
"minimum": 1000,
"type": "integer"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"selector": {
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "detectWebpageChange"
},
{
"description": "Resolve public DNS records for a hostname. Supports A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and SRV using the system resolver. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"host": {
"type": "string"
},
"type": {
"enum": [
"A",
"AAAA",
"MX",
"TXT",
"NS",
"CNAME",
"SOA",
"CAA",
"SRV"
],
"type": "string"
}
},
"required": [
"host"
],
"type": "object"
},
"name": "dns-lookup"
},
{
"description": "Compare current on-chain ERC-20 allowance with caller-supplied prior allowance; no transaction submitted. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"owner": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"previous_allowance_raw": {
"pattern": "^\\d+$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"owner",
"spender",
"contract",
"previous_allowance_raw"
],
"type": "object"
},
"name": "erc20-allowance-delta"
},
{
"description": "Extract clean text from a public HTML article or document URL. Returns main content plus title, description, author, publish/modified dates, canonical URL, language, word count, reading time and JSON-LD for document parsing, summarization, research and RAG. Static public HTML only; no JavaScript rendering. Costs $0.002 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"max_text_chars": {
"maximum": 150000,
"minimum": 1000,
"type": "integer"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"description": "Public http(s) article or document URL.",
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "extract-article"
},
{
"description": "Extract entities from text: emails, HTTP(S) URLs, phone-like numbers, @mentions, #hashtags and IPv4 addresses. Deterministic, no LLM or network call, with stable JSON output for crawlers and autonomous agent pipelines. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "extract-entities"
},
{
"description": "Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"concurrency": {
"maximum": 20,
"minimum": 1,
"type": "integer"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"urls": {
"description": "Exactly one public URL per paid request.",
"items": {
"format": "uri",
"type": "string"
},
"maxItems": 1,
"minItems": 1,
"type": "array"
}
},
"required": [
"urls"
],
"type": "object"
},
"name": "extractWebpageMetadata"
},
{
"description": "Canonical current EVM base fee in gwei for Base or Ethereum, for recurring transaction timing and execution checks. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"chain": {
"enum": [
"eip155:8453",
"eip155:1"
],
"type": "string"
}
},
"type": "object"
},
"name": "gas_price"
},
{
"description": "Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"algo": {
"enum": [
"sha256",
"sha512",
"sha1",
"md5"
],
"type": "string"
},
"text": {
"description": "Text to hash.",
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "hash"
},
{
"description": "Convert a hexadecimal string back into UTF-8 text. Use as a hex string decoder or hex-to-text converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"value": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"name": "hex-decode"
},
{
"description": "Convert UTF-8 text to a hexadecimal string. Use as a hex string encoder or text-to-hex converter in deterministic agent pipelines. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "hex-encode"
},
{
"description": "Compute an HMAC for text using SHA-256 or SHA-512 for signatures, webhook verification and agent integrity checks. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"algorithm": {
"enum": [
"sha256",
"sha512"
],
"type": "string"
},
"key": {
"maxLength": 10000,
"type": "string"
},
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text",
"key"
],
"type": "object"
},
"name": "hmac"
},
{
"description": "Extract links and anchor text from supplied HTML, resolving relative URLs against an optional base URL. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"base_url": {
"maxLength": 8192,
"type": "string"
},
"html": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"html"
],
"type": "object"
},
"name": "html-links"
},
{
"description": "Parse metadata from caller-supplied raw HTML without fetching a webpage URL. Returns title, canonical URL, meta tags and JSON-LD for local HTML-processing workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"base_url": {
"maxLength": 8192,
"type": "string"
},
"html": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"html"
],
"type": "object"
},
"name": "html-metadata"
},
{
"description": "Convert HTML to Markdown: transform supplied HTML into clean deterministic Markdown for LLM context, RAG, tool chaining and agent memory. Preserves headings, paragraphs, lists, blockquotes, links, code blocks and simple tables; no network fetch required. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"html": {
"maxLength": 500000,
"type": "string"
},
"max_chars": {
"maximum": 250000,
"minimum": 100,
"type": "integer"
}
},
"required": [
"html"
],
"type": "object"
},
"name": "html-to-markdown"
},
{
"description": "Extract clean normalized text from a raw HTML document without network access. Use for HTML-to-text conversion, document text extraction, LLM context preparation and RAG ingestion. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"html": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"html"
],
"type": "object"
},
"name": "html-to-text"
},
{
"description": "Fetch a public URL with HEAD or GET and return status, final URL, latency, response headers and security-header analysis for HSTS, CSP, framing, MIME sniffing, referrer, permissions and cross-origin policies. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"HEAD",
"GET"
],
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "http-headers-security"
},
{
"description": "HTTP status check for a public URL: return reachability, status code, redirect count, final URL, latency, content type, server and cache headers. One required url field for uptime checks, fallback routing and autonomous web-agent health tests. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "http-status"
},
{
"description": "Canonicalize JSON by recursively sorting object keys for stable hashing, comparison and signatures. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"value": {}
},
"type": "object"
},
"name": "json-canonicalize"
},
{
"description": "Repair malformed JSON / LLM output: convert common broken JSON into valid structured JSON. Removes Markdown-style fences and prose wrappers, trailing commas, normalizes Python True/False/None and smart quotes, and repairs common single-quoted keys and values. Returns the parsed result plus applied repair steps. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "json-repair"
},
{
"description": "JSON Schema Validate: validate a JSON value against a deterministic schema subset for agent payload checking and structured-output verification. Supports type, properties, required, enum, const, numeric/string/array bounds, pattern, items and additionalProperties=false. Returns machine-readable error paths plus retry guidance. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"schema": {
"additionalProperties": true,
"properties": {},
"type": "object"
},
"value": {}
},
"required": [
"schema"
],
"type": "object"
},
"name": "json-schema-validate"
},
{
"description": "Decode JWT header and payload without verification for inspection, debugging and agent workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"token": {
"maxLength": 200000,
"type": "string"
}
},
"required": [
"token"
],
"type": "object"
},
"name": "jwt-decode"
},
{
"description": "Recurring bundled crypto market snapshot for autonomous trading and market-monitoring loops. Costs $0.008 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"candle_granularity": {
"enum": [
"60",
"300",
"900",
"3600",
"21600",
"86400"
],
"type": "string"
},
"candle_limit": {
"maximum": 300,
"minimum": 5,
"type": "integer"
},
"product_id": {
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"trade_limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
}
},
"required": [
"product_id"
],
"type": "object"
},
"name": "market_snapshot"
},
{
"description": "Return a deterministic change outcome for a public URL relative to caller-supplied baseline content hash. Charged per authorized check, not only when changed. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"previous_hash": {
"maxLength": 128,
"minLength": 32,
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"previous_hash"
],
"type": "object"
},
"name": "material-web-change"
},
{
"description": "Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"description": "Public http(s) webpage URL.",
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "metadata-single"
},
{
"description": "Monitor a wallet for balance changes and new USDC/ERC-20 activity. Recurring paid primitive; repeat about every 60 seconds while monitoring is active. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"activity_contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"cursor": {
"minimum": 0,
"type": "integer"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "monitor_wallet"
},
{
"description": "Recurring webpage change monitoring for prices, inventory, availability, documentation, policies and competitors. Reuse the returned previous_hash on the next check. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"type": "string"
},
"type": "array"
},
"include_current_text": {
"type": "boolean"
},
"max_diff_chars": {
"maximum": 50000,
"minimum": 1000,
"type": "integer"
},
"max_text_chars": {
"maximum": 250000,
"minimum": 1000,
"type": "integer"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"selector": {
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "monitor_webpage_change"
},
{
"description": "Compute MD5, SHA-1, SHA-256 and SHA-512 checksums for one UTF-8 string in a single call. Use for multi-hash verification, content fingerprints, integrity checks and deduplication. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"data": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"data"
],
"type": "object"
},
"name": "multi-digest-checksum"
},
{
"description": "Refresh wallet, allowance, gas, price, 24h statistics and top-of-book context immediately before each automated trade or payment. Costs $0.01 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"balance_tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"product_id": {
"pattern": "^[A-Za-z0-9]{2,15}-[A-Za-z0-9]{2,15}$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"token_contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"address",
"spender",
"token_contract",
"product_id"
],
"type": "object"
},
"name": "pretrade_context"
},
{
"description": "Extract a server-declared product price, currency and stock availability from a single public product page. Optionally compare against a caller-owned previous snapshot. Unknown and ambiguous prices are reported instead of invented. No unattended polling or ordering. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"previous_snapshot": {
"additionalProperties": false,
"properties": {
"availability": {
"type": "string"
},
"currency": {},
"price": {},
"status": {
"enum": [
"ready",
"partial",
"unavailable",
"ambiguous"
],
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url",
"status"
],
"type": "object"
},
"url": {
"format": "uri",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "product-price-intelligence"
},
{
"description": "Parse a URL query string into structured JSON or build a query string from an object. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"mode": {
"enum": [
"parse",
"build"
],
"type": "string"
},
"value": {}
},
"type": "object"
},
"name": "querystring"
},
{
"description": "Robots.txt compliance check for crawlers and AI agents. Fetch a public site robots.txt and determine whether a user-agent may crawl a path; return the matched allow/disallow rule, crawl policy, HTTP status and declared sitemap URLs. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"path": {
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
},
"user_agent": {
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "robots-check"
},
{
"description": "RSS / Atom to JSON: fetch a public feed and return normalized structured JSON for autonomous monitoring, news ingestion and agent workflows. One required feed URL; returns title, link, published_at, author, summary and id for up to 100 items. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "rss-to-json"
},
{
"description": "Search the web for x402 adoption, x402 integrations, x402 agent payments, x402 ecosystem launches and machine-to-machine payment adoption. Built to satisfy recurring autonomous-agent research demand for current x402 adoption signals. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"limit": {
"description": "Maximum results per source; default 5.",
"maximum": 10,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Search phrase. Defaults to x402 adoption.",
"maxLength": 200,
"minLength": 1,
"type": "string"
}
},
"type": "object"
},
"name": "search-the-web-for-x402-adoption"
},
{
"description": "Sitemap URL extractor for crawlers and autonomous agents. Fetch and parse a public sitemap.xml or sitemap index, recursively expand child sitemap indexes up to two levels, and return deduplicated page URLs with loc, lastmod, changefreq and priority. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"limit": {
"maximum": 2000,
"minimum": 1,
"type": "integer"
},
"max_depth": {
"maximum": 2,
"minimum": 0,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "sitemap-urls"
},
{
"description": "Convert text into a deterministic lowercase URL-safe slug. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "slugify"
},
{
"description": "Split document or text content into deterministic overlapping chunks for RAG ingestion, embeddings, vector indexing, retrieval pipelines and LLM context windows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"overlap": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"size": {
"maximum": 50000,
"minimum": 50,
"type": "integer"
},
"text": {
"maxLength": 500000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "text-chunk"
},
{
"description": "Compare two text values and return added and removed line blocks plus deterministic hashes. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"after": {
"maxLength": 125000,
"type": "string"
},
"before": {
"maxLength": 125000,
"type": "string"
}
},
"required": [
"before",
"after"
],
"type": "object"
},
"name": "text-diff"
},
{
"description": "Return deterministic character, byte, word, line and sentence counts for text. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "text-stats"
},
{
"description": "Timezone convert an ISO-8601 timestamp with Z or numeric UTC offset into an IANA timezone such as America/New_York, Europe/London or Asia/Tokyo. Returns UTC and local wall-clock representations with the target offset. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"datetime": {
"description": "ISO-8601 instant including Z or an explicit +HH:MM/-HH:MM offset.",
"maxLength": 100,
"type": "string"
},
"to_timezone": {
"description": "IANA timezone such as America/New_York.",
"maxLength": 100,
"type": "string"
}
},
"required": [
"datetime",
"to_timezone"
],
"type": "object"
},
"name": "timezone-convert"
},
{
"description": "Answer whether a Base or Ethereum transaction reached confirmed/reverted terminal state using live chain RPC. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "transaction-terminal-outcome"
},
{
"description": "Check whether an EVM transaction is pending, confirmed or reverted. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"tx_hash": {
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "transaction_status"
},
{
"description": "Recurring treasury/accounting snapshot with balances, gas and recent token activity; repeat about every five minutes while active. Costs $0.01 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"activity_contract": {
"description": "ERC-20 activity contract; defaults to USDC.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"activity_cursor": {
"minimum": 0,
"type": "integer"
},
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tokens": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "treasury_snapshot"
},
{
"description": "Unit conversion for length, mass, time, temperature and data sizes. Convert a numeric value between common units with deterministic arithmetic and no external API. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"from": {
"enum": [
"m",
"km",
"cm",
"mm",
"mi",
"yd",
"ft",
"in",
"kg",
"g",
"mg",
"lb",
"oz",
"s",
"ms",
"min",
"h",
"day",
"C",
"F",
"K",
"B",
"KB",
"MB",
"GB",
"KiB",
"MiB",
"GiB"
],
"type": "string"
},
"to": {
"enum": [
"m",
"km",
"cm",
"mm",
"mi",
"yd",
"ft",
"in",
"kg",
"g",
"mg",
"lb",
"oz",
"s",
"ms",
"min",
"h",
"day",
"C",
"F",
"K",
"B",
"KB",
"MB",
"GB",
"KiB",
"MiB",
"GiB"
],
"type": "string"
},
"value": {
"type": "number"
}
},
"required": [
"value",
"from",
"to"
],
"type": "object"
},
"name": "unit-convert"
},
{
"description": "Percent-encode or decode text for URLs using URL-component semantics. Use mode encode or decode. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"mode": {
"enum": [
"encode",
"decode"
],
"type": "string"
},
"text": {
"maxLength": 250000,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"name": "url-encode-decode"
},
{
"description": "Normalize a URL and return its origin, host, path, query parameters and fragments as structured JSON. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"url": {
"maxLength": 8192,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "url-inspect"
},
{
"description": "UUID generate service for autonomous agents. Generate one or more RFC 4122 UUID v4 identifiers for request IDs, object IDs, idempotency keys, correlation IDs and distributed workflows. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"count": {
"description": "Number of UUID v4 values to generate; default 1.",
"maximum": 100,
"minimum": 1,
"type": "integer"
}
},
"type": "object"
},
"name": "uuid-generate"
},
{
"description": "Read recent wallet ERC-20/USDC activity with cursor state for recurring payment and deposit monitoring. Costs $0.002 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"type": "string"
},
"contract": {
"description": "ERC-20 contract; defaults to USDC on the selected network.",
"type": "string"
},
"cursor": {
"minimum": 0,
"type": "integer"
},
"lookback_blocks": {
"maximum": 5000,
"minimum": 1,
"type": "integer"
},
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "wallet_activity"
},
{
"description": "Canonical wallet balance for Base or Ethereum. Returns native ETH and USDC balances for one address and is suitable for recurring wallet and treasury polling. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"chain": {
"enum": [
"eip155:8453",
"eip155:1"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "wallet_balance"
},
{
"description": "Poll a transaction about every 15 seconds until confirmed or reverted, reusing returned next-check state. Costs $0.003 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"network": {
"enum": [
"base",
"ethereum"
],
"type": "string"
},
"previous_state_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"tx_hash": {
"pattern": "^0x[a-fA-F0-9]{64}$",
"type": "string"
}
},
"required": [
"tx_hash"
],
"type": "object"
},
"name": "watch_transaction"
},
{
"description": "One-call webpage intelligence dossier for AI agents: metadata and structured data, clean article/document text, HTTP/security headers, robots crawl policy, SHA-256 content hash and RAG-ready chunks. Use for web research, document extraction, due diligence, ingestion, monitoring and retrieval pipelines. Costs $0.008 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"chunk_overlap": {
"maximum": 5000,
"minimum": 0,
"type": "integer"
},
"chunk_size": {
"maximum": 10000,
"minimum": 100,
"type": "integer"
},
"max_text_chars": {
"maximum": 150000,
"minimum": 1000,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
},
"user_agent": {
"maxLength": 200,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "web-intelligence-dossier"
},
{
"description": "Recurring webpage monitor for prices, inventory, availability, documentation, policies and competitors. Returns changed/unchanged state, current hash, metadata and HTTP/security context plus a ready next request. Designed for scheduled polling about every 5 minutes. Costs $0.005 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"maxLength": 1000,
"type": "string"
},
"maxItems": 50,
"type": "array"
},
"previous_hash": {
"pattern": "^[a-fA-F0-9]{64}$",
"type": "string"
},
"selector": {
"maxLength": 1000,
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "web-monitoring-snapshot"
},
{
"description": "Fetch a public URL and extract clean normalized readable text for RAG, research and LLM context. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"type": "string"
},
"type": "array"
},
"include_current_text": {
"type": "boolean"
},
"max_diff_chars": {
"maximum": 50000,
"minimum": 1000,
"type": "integer"
},
"max_text_chars": {
"maximum": 250000,
"minimum": 1000,
"type": "integer"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"selector": {
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "web-reader"
},
{
"description": "Extract links from webpage URL: fetch one public page and return normalized absolute hyperlinks with anchor text, rel, domain and internal/external classification. One required URL, deterministic JSON, deduplicated results, and optional same-domain filtering for crawler planning and agent navigation. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"limit": {
"maximum": 2000,
"minimum": 1,
"type": "integer"
},
"scope": {
"enum": [
"all",
"internal",
"external"
],
"type": "string"
},
"url": {
"format": "uri",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "webpage-links"
},
{
"description": "Diagnose an x402 Base USDC payment challenge against an explicitly authorized payee allowlist and spending cap. Never signs or buys. Costs $0.001 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"allowed_payees": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"challenge": {
"additionalProperties": true,
"properties": {},
"type": "object"
},
"max_atomic_usdc": {
"type": "string"
},
"supported_schemes": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"challenge",
"max_atomic_usdc",
"allowed_payees"
],
"type": "object"
},
"name": "x402-payment-diagnostic"
},
{
"description": "PRE-SIGNING ONLY: read-only x402 v2 Base USDC payment-intent preview check ($0.003). Supply unsigned authorization parameters, caller-approved payee allowlist, resource URL and max spend. NEVER send private keys, signed PAYMENT-SIGNATURE headers or raw signatures. Compares untrusted envelope metadata; not cryptographic URI binding, signature verification, nonce-state verification, settlement or delivery proof. Guide: https://github.com/industrial-platform-ai/industrial-platform-agent-tools/blob/main/gateway/docs/payment-intent-assurance.md Costs $0.003 USDC on Base via x402.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"challenge": {
"additionalProperties": true,
"properties": {},
"type": "object"
},
"intent": {
"additionalProperties": false,
"properties": {
"allowed_payees": {
"items": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"max_atomic_usdc": {
"pattern": "^\\d{1,24}$",
"type": "string"
},
"resource_url": {
"format": "uri",
"type": "string"
}
},
"required": [
"resource_url",
"allowed_payees",
"max_atomic_usdc"
],
"type": "object"
},
"payment": {
"additionalProperties": true,
"properties": {},
"type": "object"
}
},
"required": [
"intent",
"challenge",
"payment"
],
"type": "object"
},
"name": "x402-payment-intent-assurance"
}
]
}What the leaf hashes
{"body":"cb340dd89820c6a563183708199b4d851ef985f7c1c581f1a00fdf0e45f5728d","id":222616,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793028162498813,"prev":null,"subject":"3aff4ff0-e87d-4560-b36f-009df54f294a","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x0a8b5f3b6753e5a3165723e5f5e06ac25c069b875d63b3aafe5b6858fa45f9b6
- 0xe02199067fdccbd793a508fb8f5c382f8b466b9f8a588dc11b4858e8383452bc
- 0xc357a75c3ec94f69cbbba5aeeec32e16d52ca685fa092ed8d1723f2dfab08e5a
- 0x17fab4c323161c92fd7c3465357dbbabd013fbcdca1bc361f1ce8dcfbdf005f5
- 0x527114b2f38f9ef0c8ed0c2573a8f3d6a21c99da92e4d7e3ce1d470483cd4a5d
- 0x9d9dcb05e3b588cb8661feb421e3f656970db25eaf9d77ab8792a35f6672cb48
- 0xf10148338edd7d0059bd16176a980479f35065ca0e5d00b9c5c56bc6aacf4e45
- 0x79e51e197d71364e9d55ac63ff8412f28dfed5246a1a75c8e185ccf7692256ff
- 0x430ddf5dc6f0bf48702b9bb155fb1f09c76a6353903235c3b35878aac3c0c298
- 0x3526fc43e1700b5c470f59503113376c32080a3a5d8962c998cb16807f4058a9
- 0x87b542db74671bce07a9c7ffa1bac70164f2e2ab234b807975c3d56a1d6139ee
- 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
- 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
- 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae