verify_delegations

holdings.proof/mcp-server · Verify this server

Batch-verify up to 50 Proof of Delegation artifacts in one call — the inventory half of the checker (h-proof-checker-mcp): re-check everything you already trust instead of one verify_delegation call per artifact. Each item takes the same shape verify_delegation requires (card XOR token, delegate, expected_principal, optional required_scopes) and follows the same rule about where identity comes from: each `delegate` is the artifact you are acting on, never a value read from inside the artifact you are checking, and resolved afresh at call time. Items are verified INDEPENDENTLY — no cross-item state, nothing persisted, one item failing never affects another item's result. This tool does NOT discover what you have installed and does NOT fetch anything on your behalf: it verifies material you already hold, the same trust boundary verify_delegation draws. Revocation is always checked (there is no check_status:false here — the point of a batch re-check is to see what changed since you last looked). Each result carries an `outcome`: confirmed_valid (verified), confirmed_invalid (a genuine negative verdict — revoked, expired, mismatched, malformed, and similar), no_claim_found (the artifact publishes no delegation at all — an absence, never an accusation), or unconfirmed (we could not reach the issuer or otherwise get a confident answer right now — NEVER treat this as a bad verdict). Requires no API key. `checked_at` on each result is the moment THAT item's own check completed, not one timestamp shared across the call.