ALEETH Authority MCP

ALEETH Authority MCP: public interface and provenance

This repository is the public interface definition, version history, and provenance record for the remote MCP server com.aleeth/authority-mcp, hosted at https://mcp.aleeth.com/mcp.

The implementation is private by decision. This repository publishes everything a caller, auditor, or registry can verify without source access: the registry manifest, the complete tool manifest, the version history, and the security policy.

What the server is

The ALEETH Authority MCP is the first MCP server governed by ICA (Institutional Control Architecture). Every tool call is risk-checked before execution and sealed with a signed Ed25519 receipt on a hash-chained ledger anchored to Bitcoin via OpenTimestamps. The server fails closed: if governance cannot run or the receipt cannot be written, the call does not return a result.

• 51 governed tools: 41 base tools and the 10 Astra plane tools the deployed server declares (see tools/manifest.json)
• Transport: MCP streamable HTTP, TLS only
• Authentication: OAuth 2.0 bearer tokens; discovery per RFC 9728 at https://mcp.aleeth.com/.well-known/oauth-protected-resource
• Anonymous calls are refused with 401

What is in this repository

File	What it is	How it is produced
server.json	The manifest published to the official MCP registry	Maintained by ALEETH, versioned here
tools/manifest.json	All 51 tools: names, descriptions, input schemas	GENERATED from the live server by an export script, run by the server's own live check against https://mcp.aleeth.com/mcp; never hand-edited, so it cannot drift from what the server actually serves
CHANGELOG.md	Version history	Curated from the implementation repository's history
SECURITY.md	Disclosure contact and security posture	Maintained by ALEETH

Verify the running server yourself

None of the following requires permission from ALEETH or access to the source.

1. Protocol and auth conformance (black-box): npx mcp-spec-check https://mcp.aleeth.com/mcp --bearer <token> Read-only credentials are available on request: [email protected]. Current independent grade: A (7 pass, 0 fail, 1 warn), last re-verified 2026-07-24.
2. Anonymous access is refused: curl -s -o /dev/null -w "%{http_code}" -X POST https://mcp.aleeth.com/mcp returns 401, with authorization-server discovery served per RFC 9728.
3. Receipts verify publicly: any receipt hash from a governed call verifies at https://imperium.aleeth.com/api/receipts/verify/<hash>, and offline against the pinnable trust anchor at https://imperium.aleeth.com/.well-known/ica-trust-anchor.json (public keys, SHA-256 DER fingerprints, and an offline verification recipe: you verify with a key you hold, with zero calls to ALEETH).
4. Measured latency, floor included: see performance/ for a live end-to-end run against production and a local server-overhead run, each published with its full run conditions and the enforced decision-timing floor disclosed.
5. The full proof surface: https://aleeth.com/proof

Why the source is private

Publication is not a precondition for verification. The checks that matter for a hosted remote server probe the running service: protocol conformance, authentication behavior, error contracts, and the receipt ledger. A static scan of this repository can verify the interface and the provenance; runtime governance claims are backed by the signed, Bitcoin-anchored receipt chain, which is public.

Background reading: "Stateless Is Not Governed", https://publications.aleeth.com/stateless-is-not-governed/

Contact

• Security disclosures: [email protected] (see SECURITY.md)
• Read-only evaluation credentials: [email protected]

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