Attest MCP Remote
Zero-install remote MCP server for proof-of-existence file attestation.
Connect it
Settings → Connectors → Add custom connector
URL: https://attest-mcp-remote.it-e3f.workers.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://attest-mcp-remote.it-e3f.workers.dev/mcp{
"mcpServers": {
"attest-mcp-remote": {
"url": "https://attest-mcp-remote.it-e3f.workers.dev/mcp"
}
}
}claude mcp add --transport http attest-mcp-remote https://attest-mcp-remote.it-e3f.workers.dev/mcp{
"servers": {
"attest-mcp-remote": {
"type": "http",
"url": "https://attest-mcp-remote.it-e3f.workers.dev/mcp"
}
}
}8 tools, verified live
service_statusHealth of the Spazio Genesi attestation service components: worker (attestation engine), archive (certificate storage), signer (PDF cryptographic signature), anchor (Bitcoin/OpenTimestamps calendars). Values: ok | degraded | down | n/d.
check_anchorCheck whether a work's SHA-256 fingerprint has an OpenTimestamps proof anchored in Bitcoin. The proof is created at attestation time and matures (pending â Bitcoin-confirmed) within a few hours.
verify_attestationVerify the server HMAC signature of an attestation issued by the Spazio Genesi service. Confirms that the attestation string (fingerprint + timestamp) and any declared metadata are authentic and untampered. Note: this checks the SIGNATURE only. Whether a given file matches the fingerprint must be checked locally by re-hashing the file. If the certificate carried declared metadata (title/author/yea
lookup_certificateLook up whether a work's SHA-256 fingerprint has an attestation certificate in the public archive, and get its permanent links (public certificate page, PDF download, OpenTimestamps proof, browser verification). Trust model: this information is reachable only by whoever knows the fingerprint.
authorizeStart the device-flow authorization to attest works in this session (up to 20 attestations, 24h). Returns a link the USER must open in a browser and approve (anti-bot check included). After the user approves, call `complete_authorization`. Not needed if the connection already carries an API key header, or for verification tools.
complete_authorizationComplete the device-flow authorization after the user approved in the browser. Polls the service briefly; if approval hasn't happened yet, just call this tool again.
attest_hashAttest a work: the service binds the SHA-256 fingerprint to a server-side timestamp and signs it (HMAC). Requires a credential (device flow via `authorize`, or an API key header). Optional declared metadata (title/author/year/notes) are normalized and BOUND by the signature â immutable after issuance, but they remain self-declared (they don't prove authorship). Compute the SHA-256 locally if you
create_certificate_pdfGenerate and archive the certificate PDF for a fingerprint attested in this session with `attest_hash`. The PDF is cryptographically signed, anchored in Bitcoin (OpenTimestamps) and archived server-side; this tool returns the permanent links (the PDF itself is downloadable from its URL â it is never inlined here).
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