# GAIP Buyer Assurance Agent

> Now part of GAIP Witness: records a buyer's request and checks what was delivered.

- name: io.github.tjcgraham-rgb/gaip-buyer-assurance
- version: 1.5.0
- connection class: R0 (autonomous)
- trust: 93/100 flags: duplicate-repo
- quality: 75/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.tjcgraham-rgb%2Fgaip-buyer-assurance
- tools: https://api.protogrid.dev/v1/servers/io.github.tjcgraham-rgb%2Fgaip-buyer-assurance/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "gaip-buyer-assurance": {
      "type": "http",
      "url": "https://www.gaipagents.com/mcp/agents/buyer-assurance"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 90
- drivers: +repository +namespace-matches-repo +website +reachable +uptime-100% +updated-11d-ago -duplicate-repo(12 names)
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 75/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 3 of 3 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,003 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 25 (weight 15)

- warn `stability.changes`: 7 tool changes in 30 days
- fail `stability.rug_pull`: 6 tools kept their name but changed most of their description in 30 days; review before trusting them

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 3, about 1,003 tokens to load them all
- tool set hash: 3380789d3d6bc781a11dcb6ccb6c9ea3
- tools last changed: 2026-10-01T02:36:53.331Z
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.tjcgraham-rgb/gaip-buyer-assurance.svg)](https://protogrid.dev/servers/io.github.tjcgraham-rgb/gaip-buyer-assurance)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-01 `assurance_prepare` changed (inputSchema)
- 2026-09-28 `assurance_verify` changed (title, description, inputSchema, annotations) **meaning changed**
  - before: Verify a Buyer Assurance terms or delivery receipt by ID. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).
  - after: Use this when you hold a Buyer Assurance terms or delivery receipt_id and want to confirm it. Returns the retained record and its integrity proof (integrity only). Free, read-only, no account; inputs must be public and non-personal.
- 2026-09-28 `assurance_complete` changed (title, description, inputSchema, annotations) **meaning changed**
  - before: Finish a Buyer Assurance check: GAIP replays the public service (or checks a response you submit) against the terms from assurance_prepare and returns a delivery receipt. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).
  - after: Use this when finishing a Buyer Assurance check. Pass the `terms_id` from assurance_prepare and mode PUBLIC_REPLAY (GAIP replays the service) or BUYER_SUBMITTED. Returns PASS / FAIL / UNKNOWN per check and a delivery receipt. Free, no account; records a GAIP receipt only. Inputs must be public and non-personal.
- 2026-09-28 `assurance_prepare` changed (title, description, inputSchema, annotations) **meaning changed**
  - before: Buyer-side assurance in one step: preflight a public service you chose and record the delivery checks you expect. Returns a `terms_id`; finish with assurance_complete and check any receipt with assurance_verify. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).
  - after: Use this when you, the buyer, chose a public service and want its delivery checked end to end. Pass `service_url`, `checks` and explicit_read_only_consent=true. GAIP preflights it and records your checks; returns a `terms_id` for assurance_complete. Free, no account; records a GAIP receipt only. Inputs must be public and non-personal.
- 2026-09-28 `assurance_verify` changed (description, inputSchema) **meaning changed**
  - before: Verify a retained Buyer Assurance terms or delivery receipt without assigning external-use credit.
  - after: Verify a Buyer Assurance terms or delivery receipt by ID. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).
- 2026-09-28 `assurance_complete` changed (description, inputSchema) **meaning changed**
  - before: Check a buyer-submitted public response or later public replay against registered terms and verify the retained receipt.
  - after: Finish a Buyer Assurance check: GAIP replays the public service (or checks a response you submit) against the terms from assurance_prepare and returns a delivery receipt. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).
- 2026-09-28 `assurance_prepare` changed (description, inputSchema) **meaning changed**
  - before: Preflight one buyer-selected public service and record caller-declared delivery checks. No supplier appointment, call, contract or payment.
  - after: Buyer-side assurance in one step: preflight a public service you chose and record the delivery checks you expect. Returns a `terms_id`; finish with assurance_complete and check any receipt with assurance_verify. Free, read-only, no account. Inputs must be public and non-personal; calling declares that (data_classification defaults to PUBLIC).

Full history: https://api.protogrid.dev/v1/servers/io.github.tjcgraham-rgb%2Fgaip-buyer-assurance/changes

## Remotes

- https://www.gaipagents.com/mcp/agents/buyer-assurance (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (3)

- `assurance_complete`: Use this when finishing a Buyer Assurance check. Pass the `terms_id` from assurance_prepare and mode PUBLIC_REPLAY (GAIP replays the service) or BUYER_SUBMITTED. Returns PASS / FAIL / UNKNOWN per check and a delivery receipt. Free, no account; records a GAIP receipt only. Inputs must be public and non-personal.
- `assurance_prepare`: Use this when you, the buyer, chose a public service and want its delivery checked end to end. Pass `service_url`, `checks` and explicit_read_only_consent=true. GAIP preflights it and records your checks; returns a `terms_id` for assurance_complete. Free, no account; records a GAIP receipt only. Inputs must be public and non-personal.
- `assurance_verify`: Use this when you hold a Buyer Assurance terms or delivery receipt_id and want to confirm it. Returns the retained record and its integrity proof (integrity only). Free, read-only, no account; inputs must be public and non-personal.