← The evidence ledger
Evidence row 222291
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 59add3e4-3375-4553-8183-5700f5d38b34
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1ac8c8b6da06b9c8cc2a29e1ae0b19502133ec66f15fcddf3a8ba8fea2e73ff2
- Leaf
- 0x20e1c049f1706f6baa34d2202f617d398ff57d620c4caea1217f64b820acbc3a
What was observed
{
"count": 18,
"tools": [
{
"description": "Anchor a 32-byte hash to Base + Solana mainnet in parallel. Returns both tx URLs as cryptographic proof of when the hash existed. $0.005 USDC.",
"inputSchema": {
"properties": {
"data": {
"anyOf": [
{},
{
"type": "null"
}
],
"default": null,
"description": "Arbitrary JSON to be canonicalized + SHA-256'd by the server. Mutually exclusive with `hash`.",
"title": "Data"
},
"hash": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Pre-computed 32-byte hex hash (64 chars, no 0x prefix). Mutually exclusive with `data`.",
"title": "Hash"
},
"note": {
"anyOf": [
{
"maxLength": 200,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional 200-char note included in the response (not on-chain).",
"title": "Note"
}
},
"type": "object"
},
"name": "anchor_hash"
},
{
"description": "Attest a decision over (input_hash, output_hash, decision): sign it yourself, or omit the signature and the treasury signs for you — then dual-chain anchor. Returns the signer, on-chain proof URLs, and a free re-verify URL. $0.010 USDC.",
"inputSchema": {
"properties": {
"decision": {
"description": "Free-form short label, e.g. \"APPROVED\", \"REJECTED\", \"CONFIDENCE=0.93\".",
"maxLength": 64,
"title": "Decision",
"type": "string"
},
"input_hash": {
"description": "64-char hex SHA-256 of the agent's input.",
"title": "Input Hash",
"type": "string"
},
"output_hash": {
"description": "64-char hex SHA-256 of the agent's output / decision payload.",
"title": "Output Hash",
"type": "string"
},
"scheme": {
"anyOf": [
{
"enum": [
"eip191",
"ed25519"
],
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Signature scheme when you supply a `signature`: \"eip191\" (EVM) or \"ed25519\" (Solana).",
"title": "Scheme"
},
"signature": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "0x-prefixed hex (eip191) or base58 (ed25519). Omit to have the anchor-x402 treasury sign for you (hosted-signer mode, for wallet-less agents).",
"title": "Signature"
},
"signer_pubkey": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Required for ed25519 (Solana base58 pubkey). Ignored for eip191 — address is recovered.",
"title": "Signer Pubkey"
}
},
"required": [
"input_hash",
"output_hash",
"decision"
],
"type": "object"
},
"name": "attest_decision"
},
{
"description": "Read the aura of anything — color, tier (S/A/B/C/D/F), score 0-9999, description. $0.01 USDC.",
"inputSchema": {
"properties": {
"target": {
"description": "Anything to read the aura of.",
"maxLength": 4000,
"minLength": 1,
"title": "Target",
"type": "string"
}
},
"required": [
"target"
],
"type": "object"
},
"name": "aura_read"
},
{
"description": "Decode raw EVM calldata into function name + typed parameters via openchain.xyz + eth_abi. EVM-only. $0.001 USDC.",
"inputSchema": {
"properties": {
"calldata_hex": {
"description": "Raw EVM calldata (>=4-byte selector), with or without 0x prefix.",
"minLength": 8,
"title": "Calldata Hex",
"type": "string"
},
"chain": {
"description": "\"ethereum\" supported; \"solana\" returns 400.",
"enum": [
"ethereum",
"solana"
],
"title": "Chain",
"type": "string"
},
"contract_address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional. Reserved for future on-chain ABI lookups; currently unused.",
"title": "Contract Address"
}
},
"required": [
"chain",
"calldata_hex"
],
"type": "object"
},
"name": "decode_calldata"
},
{
"description": "Structured decode of any mainnet transaction by hash. Supports Base, Ethereum, Solana. Mined txs cached. $0.001 USDC.",
"inputSchema": {
"properties": {
"chain": {
"enum": [
"base",
"ethereum",
"solana"
],
"title": "Chain",
"type": "string"
},
"tx_hash": {
"maxLength": 128,
"minLength": 1,
"title": "Tx Hash",
"type": "string"
}
},
"required": [
"chain",
"tx_hash"
],
"type": "object"
},
"name": "decode_tx"
},
{
"description": "Academic letter grade with red-pen marginalia for anything. $0.01 USDC.",
"inputSchema": {
"properties": {
"target": {
"description": "Anything to grade.",
"maxLength": 6000,
"minLength": 1,
"title": "Target",
"type": "string"
}
},
"required": [
"target"
],
"type": "object"
},
"name": "grade_target"
},
{
"description": "Unified wallet intelligence bundle. ONE call: balances on Base + Ethereum + Solana, USDC, tx counts, ENS/SNS reverse, sanctions verdict. 8-10 parallel sources. $0.005 USDC.",
"inputSchema": {
"properties": {
"wallet": {
"description": "EVM 0x… address (40 hex) or Solana base58 pubkey.",
"title": "Wallet",
"type": "string"
}
},
"required": [
"wallet"
],
"type": "object"
},
"name": "intel_wallet"
},
{
"description": "Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.",
"inputSchema": {
"properties": {
"address": {
"description": "EVM 0x... or Solana base58 address to investigate.",
"title": "Address",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"name": "investigate_wallet"
},
{
"description": "Signed + dual-chain-anchored x402 expense report (markdown + CSV, async job). $0.35 USDC.",
"inputSchema": {
"properties": {
"direction": {
"default": "outbound",
"description": "outbound = spend, inbound = revenue.",
"enum": [
"outbound",
"inbound",
"both"
],
"title": "Direction",
"type": "string"
},
"format": {
"default": "both",
"description": "Which report files to produce. Default both.",
"enum": [
"markdown",
"csv",
"both"
],
"title": "Format",
"type": "string"
},
"from": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "ISO date or datetime, start of range. Default: 30 days before `to`.",
"title": "From"
},
"group_by": {
"default": "service",
"enum": [
"service",
"recipient",
"day"
],
"title": "Group By",
"type": "string"
},
"include_unfiltered": {
"default": false,
"description": "Include non-x402 USDC transfers as category=other_transfer.",
"title": "Include Unfiltered",
"type": "boolean"
},
"min_amount": {
"anyOf": [
{
"type": "string"
},
{
"type": "number"
},
{
"type": "null"
}
],
"default": null,
"description": "Minimum USDC per transfer, e.g. 0.001.",
"title": "Min Amount"
},
"prepared_for": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional client name for the report header.",
"title": "Prepared For"
},
"title": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Report title; appears in the markdown header.",
"title": "Title"
},
"to": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "ISO date or datetime, end of range. Default: now.",
"title": "To"
},
"wallet": {
"description": "EVM address (Base) whose x402 spend to reconstruct.",
"title": "Wallet",
"type": "string"
}
},
"required": [
"wallet"
],
"type": "object"
},
"name": "ledger_report"
},
{
"description": "x402 spend accounting for any Base wallet — totals + per-service breakdown reconstructed from chain data. $0.01 USDC.",
"inputSchema": {
"properties": {
"direction": {
"default": "outbound",
"description": "outbound = spend, inbound = revenue.",
"enum": [
"outbound",
"inbound",
"both"
],
"title": "Direction",
"type": "string"
},
"from": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "ISO date or datetime, start of range. Default: 30 days before `to`.",
"title": "From"
},
"group_by": {
"default": "service",
"enum": [
"service",
"recipient",
"day"
],
"title": "Group By",
"type": "string"
},
"include_unfiltered": {
"default": false,
"description": "Include non-x402 USDC transfers as category=other_transfer.",
"title": "Include Unfiltered",
"type": "boolean"
},
"min_amount": {
"anyOf": [
{
"type": "string"
},
{
"type": "number"
},
{
"type": "null"
}
],
"default": null,
"description": "Minimum USDC per transfer, e.g. 0.001.",
"title": "Min Amount"
},
"to": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "ISO date or datetime, end of range. Default: now.",
"title": "To"
},
"wallet": {
"description": "EVM address (Base) whose x402 spend to reconstruct.",
"title": "Wallet",
"type": "string"
}
},
"required": [
"wallet"
],
"type": "object"
},
"name": "ledger_summary"
},
{
"description": "Yes/no oracle with dual-chain anchored verdict (Base + Solana). $0.05 USDC.",
"inputSchema": {
"properties": {
"question": {
"description": "A yes/no question for the oracle.",
"maxLength": 1000,
"minLength": 1,
"title": "Question",
"type": "string"
}
},
"required": [
"question"
],
"type": "object"
},
"name": "oracle_verdict"
},
{
"description": "Parse freeform datetime strings into ISO 8601 + components + relative time + confidence. $0.001 USDC.",
"inputSchema": {
"properties": {
"base_time": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "ISO 8601 reference; defaults to now UTC.",
"title": "Base Time"
},
"input": {
"description": "Freeform datetime string in any format.",
"maxLength": 500,
"minLength": 1,
"title": "Input",
"type": "string"
},
"timezone": {
"default": "UTC",
"description": "IANA tz name (e.g. 'America/New_York').",
"title": "Timezone",
"type": "string"
}
},
"required": [
"input"
],
"type": "object"
},
"name": "parse_datetime"
},
{
"description": "Cross-chain name resolution: ENS (.eth) and Bonfida SNS (.sol). Returns resolved address(es). 1h cache. $0.001 USDC.",
"inputSchema": {
"properties": {
"name": {
"description": "Human-readable name, e.g. 'vitalik.eth' or 'bonfida.sol'. ENS (.eth) and Bonfida SNS (.sol) are supported.",
"title": "Name",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"name": "resolve_name"
},
{
"description": "Witty roast of any target — wallet, tweet, idea, code, anything. $0.05 USDC.",
"inputSchema": {
"properties": {
"target": {
"description": "Anything to roast: wallet, tweet, idea, code, etc.",
"maxLength": 8000,
"minLength": 1,
"title": "Target",
"type": "string"
}
},
"required": [
"target"
],
"type": "object"
},
"name": "roast_target"
},
{
"description": "Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.",
"inputSchema": {
"properties": {
"commitment": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional 32-byte hex pre-commitment from the caller. Included in the signed payload, so the server cannot have chosen the result after seeing the caller's downstream intent.",
"title": "Commitment"
},
"count": {
"default": 1,
"description": "How many integers to sample. 1-100.",
"maximum": 100,
"minimum": 1,
"title": "Count",
"type": "integer"
},
"high": {
"description": "Inclusive high bound. Must be >= low.",
"title": "High",
"type": "integer"
},
"label": {
"anyOf": [
{
"maxLength": 200,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional caller-defined tag (e.g. 'treasure_drop_42'). Included verbatim in the signed payload.",
"title": "Label"
},
"low": {
"description": "Inclusive low bound of the integer range.",
"title": "Low",
"type": "integer"
}
},
"required": [
"low",
"high"
],
"type": "object"
},
"name": "roll_random"
},
{
"description": "Wallet risk pre-flight for agent payments: OFAC SDN sanctions plus address-reputation (drainer, phishing, mixer, laundering) resolved to an allow/review/block recommendation with per-signal detail. $0.005 USDC.",
"inputSchema": {
"properties": {
"wallet": {
"description": "EVM 0x… address (40 hex) or Solana base58 pubkey.",
"title": "Wallet",
"type": "string"
}
},
"required": [
"wallet"
],
"type": "object"
},
"name": "screen_wallet"
},
{
"description": "Summarize a URL or pasted text into 3-5 concise bullets. $0.01 USDC.",
"inputSchema": {
"properties": {
"text": {
"anyOf": [
{
"maxLength": 200000,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Pasted text to summarize. Provide either text or url.",
"title": "Text"
},
"url": {
"anyOf": [
{
"maxLength": 2048,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "URL to fetch and summarize. Provide either text or url.",
"title": "Url"
}
},
"type": "object"
},
"name": "tldr_text"
},
{
"description": "USD spot price for any major token. By symbol or chain+contract. CoinGecko-backed, 60s cache. $0.001 USDC.",
"inputSchema": {
"properties": {
"chain": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Chain slug: base, ethereum, solana, polygon, arbitrum, optimism, bsc, avalanche. Use with contract.",
"title": "Chain"
},
"contract": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Token contract address. Requires chain.",
"title": "Contract"
},
"symbol": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Token symbol like 'ETH', 'BTC', 'SOL', 'USDC'. Mutually exclusive with chain+contract.",
"title": "Symbol"
}
},
"type": "object"
},
"name": "token_price"
}
]
}What the leaf hashes
{"body":"1ac8c8b6da06b9c8cc2a29e1ae0b19502133ec66f15fcddf3a8ba8fea2e73ff2","id":222291,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793027940280337,"prev":null,"subject":"59add3e4-3375-4553-8183-5700f5d38b34","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x20e13be00ed80a513ba43d8a5477ceffff1113363ac5e3bdf86224bc50223629
- 0xf6c5c5801f0157d1be5a534c49679daa3d196db07e92dbcbb5cc22b6955903e3
- 0x7b8f2406d13c1b67ab24ac1ad13616b7657da2b85d2866482e3086d0fff80766
- 0xfb7cb024730ba2031f002ae34096f0dc3a593fd9bbaee16b18cbc983b5988a28
- 0x3d8a3e40001d16b5e301fbfbb6c966f2488859a6d76ec4bc80d6861f8f4e4f98
- 0x0bc2ef636ee7e441b9f37530fe9e6b2ad638e7f2a79b8d962875afd14096881b
- 0x2fa911346b86f580bbbb1957a53aec9f33c9ff7ae7407db69d558ba5d6f30a15
- 0x99b450fcc04f04d458ce5f9a02deafd8865db6f17fcb021fb33276dd770c2016
- 0x1df53eea89402533b149ef41aa8545e434904d40b1ff2ef8f22ac3128edbaec2
- 0x079e691201f8fe8ea3718cede784dde70b1316094e3ad526df647841955fcee3
- 0x057e71ed555693238850b77237df28dd2661cf85c88138365b7e42941201ad01
- 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
- 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae