← The evidence ledger
Evidence row 293183
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 35d2090c-6f18-42b3-8dfe-9b8e290325fb
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a792ad23524f6f4c5be403cb289ec29bf0bc42efffcbcb886519cd14a7eff892
- Leaf
- 0xa8f38da0cabc5a2d877ae6ff243f858f7c05a2e62fcc31f46be8847de8f6a5ac
What was observed
{
"count": 5,
"tools": [
{
"description": "Use this when asked whether an AI agent, MCP server or API works or has changed, e.g. before adding or paying it. Pass its `url`. Returns a verdict, fixes, dated history when observed, and a receipt. With `agent` (e.g. GPTBot): may your bot fetch it (robots.txt, AI-crawler rules)? Free, read-only, no account; inputs must be public and non-personal.",
"inputSchema": {
"additionalProperties": false,
"examples": [
{
"url": "https://www.gaipagents.com/.well-known/agent-card.json"
}
],
"properties": {
"agent": {
"description": "Optional: ask \"may my agent fetch this url?\" instead. Your agent's user-agent token, e.g. GPTBot; GAIP reads the site's robots.txt and AI-permission files (gaip_check_permission).",
"maxLength": 300,
"type": "string"
},
"continuity_handle": {
"additionalProperties": false,
"description": "Optional: the continuity_handle from an earlier GAIP result; links this call to your earlier ones (needed to see or remove your watches later).",
"properties": {
"continuity_id": {
"type": "string"
},
"token": {
"type": "string"
}
},
"required": [
"continuity_id",
"token"
],
"type": "object"
},
"intended_task": {
"description": "Optional: what you plan to hand it, e.g. 'weather forecast for London'. Adds task-specific evidence.",
"maxLength": 500,
"type": "string"
},
"url": {
"description": "Public https link to the agent, its A2A agent card, MCP server endpoint or OpenAPI document. GAIP fetches, validates and reach-tests it; an MCP endpoint gets a read-only handshake (initialize, tools/list).",
"format": "uri",
"maxLength": 2048,
"type": "string"
},
"verbose": {
"default": false,
"description": "Optional: true returns the full result with every underlying field. Default: a short answer.",
"type": "boolean"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "gaip_check"
},
{
"description": "Use this when an agent, MCP or API call failed. Paste the `error` text and/or `http_status`; add the service `url` if known. Returns the cause, the exact fix (e.g. the missing argument) and retry_after_seconds; `keep_receipt: true` adds a dated receipt. Free, read-only, no account; inputs must be public and non-personal.",
"inputSchema": {
"additionalProperties": false,
"examples": [
{
"error": "HTTP 429 Too Many Requests; Retry-After: 20",
"http_status": 429
}
],
"properties": {
"continuity_handle": {
"additionalProperties": false,
"description": "Optional: the continuity_handle from an earlier GAIP result; links this call to your earlier ones (needed to see or remove your watches later).",
"properties": {
"continuity_id": {
"type": "string"
},
"token": {
"type": "string"
}
},
"required": [
"continuity_id",
"token"
],
"type": "object"
},
"error": {
"description": "The error you got, as text: HTTP status line, JSON-RPC/A2A/MCP error or message. Give this and/or http_status.",
"maxLength": 4000,
"type": "string"
},
"http_status": {
"description": "Optional: the HTTP status code you got, e.g. 429.",
"maximum": 599,
"minimum": 100,
"type": "integer"
},
"keep_receipt": {
"default": false,
"description": "Optional: true keeps a dated GAIP receipt of this answer and returns a continuity handle. Default: GAIP keeps no record of the task (usage is counted without its content).",
"type": "boolean"
},
"url": {
"description": "Optional: public https URL of the agent, MCP server or API that failed.",
"format": "uri",
"maxLength": 2048,
"type": "string"
},
"verbose": {
"default": false,
"description": "Optional: true returns the full result with every underlying field. Default: a short answer.",
"type": "boolean"
}
},
"type": "object"
},
"name": "gaip_diagnose"
},
{
"description": "Use this when asked whether a service delivered what was promised or whether cited pages contain the quoted text. Pass `citations`, or a service `url` (+ `checks`, the `result` you got), or `claims` with `observations`. Returns a result per item. Free, no account; only delivery keeps a record. Inputs must be public and non-personal.",
"inputSchema": {
"additionalProperties": false,
"examples": [
{
"citations": [
{
"quote": "GAIP",
"url": "https://www.gaipagents.com/"
}
]
}
],
"properties": {
"checks": {
"description": "Optional (delivery): what a good response is, e.g. [{\"id\": \"http_status_in\", \"allowed\": [200]}, {\"id\": \"json_parses\"}]. Default: HTTP 200 and a non-empty body.",
"examples": [
[
{
"allowed": [
200
],
"id": "http_status_in"
},
{
"id": "content_type_is",
"value": "application/json"
},
{
"id": "non_empty"
},
{
"id": "json_parses"
}
],
[
{
"allowed": [
200
],
"id": "http_status_in"
},
{
"id": "json_required_keys",
"keys": [
"status"
]
},
{
"id": "json_path_equals",
"path": "status",
"value": "ok"
},
{
"id": "max_latency_ms",
"limit": 2000
}
]
],
"items": {
"additionalProperties": false,
"properties": {
"allowed": {
"description": "http_status_in: the acceptable HTTP statuses, e.g. [200].",
"items": {
"maximum": 599,
"minimum": 100,
"type": "integer"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
},
"id": {
"description": "http_status_in (allowed), content_type_is (value), non_empty, json_parses, json_required_keys (keys), json_path_equals (path, value), max_latency_ms (limit), max_bytes (limit), text_contains (value), regex (pattern).",
"enum": [
"http_status_in",
"content_type_is",
"non_empty",
"json_parses",
"json_required_keys",
"json_path_equals",
"max_latency_ms",
"max_bytes",
"text_contains",
"regex"
],
"type": "string"
},
"keys": {
"description": "json_required_keys: top-level or dotted keys that must exist, e.g. [\"a.b\"].",
"items": {
"maxLength": 200,
"type": "string"
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"limit": {
"description": "max_latency_ms: milliseconds (1-60000); max_bytes: body bytes (1-32768).",
"maximum": 60000,
"minimum": 1,
"type": "integer"
},
"path": {
"description": "json_path_equals: dotted path, list items by index, e.g. items.0.id.",
"maxLength": 200,
"type": "string"
},
"pattern": {
"description": "regex: bounded pattern searched in the body; no nested quantifiers.",
"maxLength": 200,
"type": "string"
},
"value": {
"description": "content_type_is: media type, e.g. application/json; text_contains: case-sensitive text; json_path_equals: the expected value (GAIP also accepts a number, boolean, null, array or object).",
"maxLength": 200,
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"maxItems": 8,
"minItems": 1,
"type": "array"
},
"citations": {
"description": "Citations to check: each {url, quote?} or just a URL. GAIP fetches each page once (robots.txt respected) and looks for the quote.",
"items": {
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"claims": {
"description": "Claims to record about `url`: each a sentence or {id, text}. Each is compared with the `observations` you supply; without them it stays UNTESTED.",
"items": {
"oneOf": [
{
"type": "string"
},
{
"type": "object"
}
]
},
"maxItems": 20,
"minItems": 1,
"type": "array"
},
"continuity_handle": {
"additionalProperties": false,
"description": "Optional: the continuity_handle from an earlier GAIP result; links this call to your earlier ones (needed to see or remove your watches later).",
"properties": {
"continuity_id": {
"type": "string"
},
"token": {
"type": "string"
}
},
"required": [
"continuity_id",
"token"
],
"type": "object"
},
"keep_receipt": {
"default": false,
"description": "Optional: true keeps a dated GAIP receipt of this answer and returns a continuity handle. Default: GAIP keeps no record of the task (usage is counted without its content).",
"type": "boolean"
},
"metadata": {
"description": "Optional (claims): the published agent card, MCP or OpenAPI document.",
"type": "object"
},
"observations": {
"description": "Optional (claims): what you saw, each {claim_id, result: PASS|FAIL, detail}.",
"items": {
"type": "object"
},
"maxItems": 30,
"type": "array"
},
"result": {
"description": "Optional (delivery): the response you received. Omitted: GAIP fetches the service URL now (public replay).",
"properties": {
"body": {
"maxLength": 32768,
"type": "string"
},
"body_sha256": {
"type": "string"
},
"content_type": {
"type": "string"
},
"http_status": {
"type": "integer"
}
},
"type": "object"
},
"terms_id": {
"description": "Optional (delivery): terms_id from an earlier registration, instead of url.",
"type": "string"
},
"url": {
"description": "Claims: the agent or supplier they are about. Delivery: the public https service URL that should deliver.",
"format": "uri",
"maxLength": 2048,
"type": "string"
},
"verbose": {
"default": false,
"description": "Optional: true returns the full result with every underlying field. Default: a short answer.",
"type": "boolean"
}
},
"type": "object"
},
"name": "gaip_verify"
},
{
"description": "Use this when asked to keep an eye on an agent or MCP server, or to be alerted when it changes. Pass its `url`: returns feed links and its latest dated changes; add `webhook_url` for a free watch (checked every 24 h, signed webhook on change). Free, no account; with a webhook it records a watch. Inputs must be public and non-personal.",
"inputSchema": {
"additionalProperties": false,
"examples": [
{
"url": "https://www.gaipagents.com/mcp"
}
],
"properties": {
"continuity_handle": {
"additionalProperties": false,
"description": "Optional: the continuity_handle from an earlier GAIP result; links this call to your earlier ones (needed to see or remove your watches later).",
"properties": {
"continuity_id": {
"type": "string"
},
"token": {
"type": "string"
}
},
"required": [
"continuity_id",
"token"
],
"type": "object"
},
"url": {
"description": "Public https URL of the MCP server endpoint or agent (card) to follow. No query string.",
"format": "uri",
"maxLength": 2048,
"type": "string"
},
"verbose": {
"default": false,
"description": "Optional: true returns the full result with every underlying field. Default: a short answer.",
"type": "boolean"
},
"webhook_url": {
"description": "Optional: your own public https endpoint. GAIP then registers a watch and POSTs a signed event when the result changes.",
"format": "uri",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "gaip_watch"
},
{
"description": "Use this when a shopper is about to buy something an AI suggested, or asks if a price or stock claim is right. Pass the product page `url` and the `claim`. Returns what the page showed beside what the claim said, and a signed, dated receipt. Second Look by GAIP. Free, no account, no affiliate links; inputs must be public and non-personal.",
"inputSchema": {
"additionalProperties": false,
"examples": [
{
"claim": "24 GBP, in stock",
"url": "https://www.gaipagents.com/test-range/shop/products/demo-mug"
}
],
"properties": {
"claim": {
"description": "What the shopper was told, in plain words, e.g. \"89 GBP, in stock, size M\". Only the price, stock and variant are kept; the rest is discarded.",
"maxLength": 2000,
"type": "string"
},
"continuity_handle": {
"additionalProperties": false,
"description": "Optional: the continuity_handle from an earlier GAIP result; links this call to your earlier ones (needed to see or remove your watches later).",
"properties": {
"continuity_id": {
"type": "string"
},
"token": {
"type": "string"
}
},
"required": [
"continuity_id",
"token"
],
"type": "object"
},
"currency": {
"description": "ISO currency, e.g. GBP (optional).",
"pattern": "^[A-Za-z]{3}$",
"type": "string"
},
"in_stock": {
"description": "Claimed stock (optional).",
"type": "boolean"
},
"mandate_ref": {
"description": "Optional: your own reference to the shopper's mandate for this purchase. Kept only as a keyed hash (mandate_sha256) on the receipt, never in clear.",
"maxLength": 200,
"type": "string"
},
"price": {
"description": "Claimed price, e.g. \"89.00\" (optional).",
"maxLength": 20,
"type": "string"
},
"url": {
"description": "Public https link to the product page on the shop's own site.",
"format": "uri",
"maxLength": 2000,
"type": "string"
},
"variant": {
"description": "Claimed size, colour or option (optional).",
"maxLength": 60,
"type": "string"
},
"verbose": {
"default": false,
"description": "Optional: true returns the full result with every underlying field. Default: a short answer.",
"type": "boolean"
}
},
"required": [
"url"
],
"type": "object"
},
"name": "second_look_check"
}
]
}What the leaf hashes
{"body":"a792ad23524f6f4c5be403cb289ec29bf0bc42efffcbcb886519cd14a7eff892","id":293183,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793049224391781,"prev":null,"subject":"35d2090c-6f18-42b3-8dfe-9b8e290325fb","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xa8f34915eac9cfc5a68491d436d1f9cf1db4367557493abbed00a10af0ee5cb4
- 0x03039bf55c326581f3ef61b04404b461ec879032e50e467da6e3671e2ce67cfa
- 0x0ac48e6561f42f3ac9084563da6fba5a81c9c6647ecc44cb4485684e713b3259
- 0xa989184e9ee4a76b2209883bc8208d48ed0db87dff14243ca5a157dbd5cbe85d
- 0x598f2347107150617bc0f607c81905e3f9f1db1667b2244eae0fb1f68e58d20a
- 0xd29e4f0a07512fc245fcff5c73d55831a745e63983ad44f010222a86369792ea
- 0xbcc577c0d75c3f95755c7611907151a64edf3318d55b43dec9fabbcd12f6032d
- 0xa4083cc7830fc1b50fad14fe08e218eecae480b0f693f8415c14ad90d1f2fcb1
- 0xf03b5580b4cf240f57781e01d5a8c5662eb3f5d9781d4b04b50611882de9ffd1
- 0x59283b4f1957eed1ca397cea7a54cad8fd28e2488fdbd3f14185468ebe1209e1
- 0xcc46e37d035d0d90e3d86104e55f155ffacd1530f11ceef85fa02db50beb78a5
- 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
- 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae