← The evidence ledger
Evidence row 122299
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/mcp/check
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8b8c86d6e2578d4bc465ccfa0892ee550d9feff32290af9e9a3bb422c6e80f5f
- Leaf
- 0x2bfc375d8b6ccec0ebba851fb4059007c6d01a7dbea64877fe30c5c1ebf49d4f
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/mcp/check"
]
],
"name": "Tanod agentscan",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
}
],
"description": "agentscan (Tanod) MCP server check: answers, name, version, sign-in, tools, latency, TLS expiry of a remote MCP server. Use when an agent must check that a remote MCP server is up, what it is and which tools it lists before connecting.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://mcp.example.com/mcp"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"answers": true,
"auth": {
"authorization_servers": [],
"oauth_metadata": null,
"required": false,
"www_authenticate": null
},
"capabilities": [
"logging",
"tools"
],
"checked_at": "2026-10-10T08:00:00Z",
"error": null,
"http_status": 200,
"latency_ms": 212,
"location": null,
"note": "One live probe from Tanod's servers at the time shown: initialize, then tools/list, without credentials. A server that needs sign-in, blocks datacenter addresses or limits clients can look down here and be up elsewhere. Names and versions come from the server itself and are untrusted",
"protocol_version": "2025-06-18",
"server": {
"name": "example-server",
"title": null,
"version": "1.4.2"
},
"status": "ok",
"tls": {
"days_left": 97,
"expires": "2027-01-15",
"ok": true
},
"tools": {
"count": 3,
"more_pages": false,
"names": [
"search",
"fetch",
"summarize"
],
"names_truncated": false
},
"total_ms": 640,
"transport": "streamable-http",
"untrusted_content": true,
"url": "https://mcp.example.com/mcp"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"url": {
"description": "Public https URL of a remote MCP server endpoint (streamable HTTP, or a legacy SSE endpoint), such as https://mcp.example.com/mcp. Host name only (no IP address), port 443, no user info.",
"maxLength": 2048,
"minLength": 1,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"answers": {
"type": "boolean"
},
"auth": {
"properties": {
"authorization_servers": {
"items": {
"type": "string"
},
"type": "array"
},
"oauth_metadata": {
"type": [
"boolean",
"null"
]
},
"required": {
"type": "boolean"
},
"www_authenticate": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"capabilities": {
"items": {
"type": "string"
},
"type": "array"
},
"checked_at": {
"type": "string"
},
"error": {
"type": [
"string",
"null"
]
},
"http_status": {
"type": [
"integer",
"null"
]
},
"latency_ms": {
"type": [
"integer",
"null"
]
},
"location": {
"type": [
"string",
"null"
]
},
"note": {
"type": "string"
},
"protocol_version": {
"type": [
"string",
"null"
]
},
"server": {
"properties": {
"name": {
"type": [
"string",
"null"
]
},
"title": {
"type": [
"string",
"null"
]
},
"version": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"status": {
"enum": [
"ok",
"auth",
"not_found",
"client_error",
"server_error",
"redirect",
"not_mcp",
"timeout",
"tls",
"dns",
"unreachable"
],
"type": "string"
},
"tls": {
"properties": {
"days_left": {
"type": [
"integer",
"null"
]
},
"error": {
"type": [
"string",
"null"
]
},
"expires": {
"type": [
"string",
"null"
]
},
"ok": {
"type": [
"boolean",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"tools": {
"properties": {
"count": {
"type": "integer"
},
"more_pages": {
"type": "boolean"
},
"names": {
"items": {
"type": "string"
},
"type": "array"
},
"names_truncated": {
"type": "boolean"
}
},
"type": [
"object",
"null"
]
},
"total_ms": {
"type": [
"integer",
"null"
]
},
"transport": {
"enum": [
"streamable-http",
"sse",
null
],
"type": [
"string",
"null"
]
},
"untrusted_content": {
"type": "boolean"
},
"url": {
"type": "string"
}
},
"required": [
"url",
"status",
"answers",
"checked_at",
"untrusted_content",
"note"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-10-12T02:31:22.692Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-12T02:31:22.143Z"
},
"resource": "https://tanod.dev/v1/mcp/check",
"serviceName": "Tanod agentscan",
"tags": [
"agentscan",
"mcp",
"check",
"x402",
"agent-economy"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "agentscan (Tanod) MCP server check: answers, name, version, sign-in, tools, latency, TLS expiry of a remote MCP server. Use when an agent must check that a remote MCP server is up, what it is and which tools it lists before connecting."
}What the leaf hashes
{"body":"8b8c86d6e2578d4bc465ccfa0892ee550d9feff32290af9e9a3bb422c6e80f5f","id":122299,"kind":"listing","method":"baseline/1","observed_us":1793025621408472,"prev":null,"subject":"x402_bazaar:https://tanod.dev/v1/mcp/check","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x2bfc581f97b180663abbd5f82f9269a1e02a7125452650e4b7671b2425c1edd0
- 0xa7e5b25f9c575fcb7a325d05c3c9ac10be4e3e37e3911c77a01f913ad717d395
- 0xe28e12b2b50b402e8b201a617e6b7ae39082e9139490b4e4db26af09b9714377
- 0x1ad057ffb015639662d021231a0fe5f4f2e71a55efc8a7009686e700a8a294e5
- 0x090c6749a259db74bbc9897ea2616d9b4a31a2e776464e8e145af4d480b0fc2c
- 0x1def282ecbe91bca6022f97122c6dc176a1f5211173dabaa9ceb1c1a91a7b55f
- 0xadf5e597e4e8e7efd674ef3d4da45271ba4b4309d2d75d6576abb193af86b75a
- 0x9c7e3e982bacea24a81e689d3175961082539109c31b0915b1806ebf1991c4ab
- 0x9b8010b7fe8ece2d59c0f05609617df0c780d17ae9ba090e80f3215e071a206f
- 0x1849abdab9b306191ae2d658697793afbb80090da1dc820f6ee0aacd338f8578
- 0x9c1d7a3e2abd583b1dff8bd25a4baee5982930fe95a180a1a8b26c3f7e8c93f2
- 0xe8bf822fd6c66b233e3e13e08596e8fb41c1ed9b85be0e4d50cfc9b740c0e206
- 0xb87e8b32cda179c9e632e227bbd8a6d1f6f61d9d81bb92dbd4dd835d2b3b5caa
- 0x683955a5b2250ad50568d022a6580d8739b6aff1356779d72a773b088e7c289c
- 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae