vouch-mcp MCP Server
Sign and verify W3C Verifiable Credentials so AI agents can cryptographically authorize actions.
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Status
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Published as vouch-mcp on pypi. Runs locally.
Known issues
8 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 5.
Most discussed
Add a TypeScript example mirroring the FastAPI credential gate
Mirror the Python credential-gate example in the TypeScript SDK so both ecosystems have parity: a small server endpoint that reads a Vouch-Credential header and verifies it.
Acceptance: a signed request verifies and an unsigned one is rejected.
File: packages/sdk-ts/
Size: M
Read the thread · 2026-06-18 · open · 2 comments
Bind intent.resource to the endpoint in the FastAPI credential gate
Currently the gate verifies a credential is authentic and unexpired, but it does not check that the credential's intent.resource matches the protected endpoint. Add that audience binding so a credential minted for a different resource is rejected.
This is a natural step up from the credential-gate example (a good second contribution).
Acceptance: a credential whose intent.resource does not match the endpoint is rejected (403); a matching one passes.
File: `examples/fastapi_credenti
Read the thread · 2026-06-18 · closed · 1 comment
Add a minimal FastAPI example that rejects unsigned agent requests
In examples/, add a ~30-line FastAPI app with one endpoint that reads a Vouch-Credential header, verifies it with Verifier.verify_credential(...), and returns 401 when the header is missing or invalid.
Reference: vouch/verifier.py.
Acceptance: uvicorn runs it; a signed request passes, an unsigned one returns 401.
Read the thread · 2026-06-17 · closed · 1 comment
Event-triggered intent recheck: bind intent-seal freshness to the action, not the interval
The Heartbeat Protocol proves an agent is still alive across an interval. It does not prove the agent still means to do what it is about to do at the moment of a specific action. Today a justification sealed early in an interval still passes for an action executed much later in the same interval. A sophisticated actor who knows the pulse interval can time a sensitive action to land in the gap between two heartbeats, riding on an intent that was locked in earlier while nothing is re-verified.
Th
Read the thread · 2026-08-01 · closed · 0 comments
Add a "verify a credential from the CLI" quickstart doc
Add a short walkthrough showing how to mint a credential and verify it using the CLI, end to end, for newcomers.
Acceptance: a newcomer can follow it to verify a credential start to finish.
File: docs/ or examples/
Size: S
Read the thread · 2026-06-18 · open · 0 comments
See all 8 reports Pod holds for vouch-mcp.
Firsthand observations
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For agents
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