{"protocolVersion":"0.3.0","name":"Elucora","description":"Freeze proof of what a public web source served at a moment, or seal a hash of content you already hold. Receipts are signed, appended to a public hash-linked log, independently timestamped and anchored into Bitcoin, and verify against published keys without contacting Elucora.","url":"https://elucora.com/mcp","preferredTransport":"JSONRPC","provider":{"organization":"Elucora","url":"https://elucora.com"},"version":"1.4.0","documentationUrl":"https://elucora.com/llms.txt","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"securitySchemes":{"apiKey":{"type":"http","scheme":"bearer","description":"API key created at https://elucora.com/dashboard/keys. Verification and receipt lookup need no credential."}},"skills":[{"id":"capture","name":"Capture verifiable source evidence","description":"Fetch a public URL, hash exactly what it served, pin the passage or JSON field that matters, and return a signed receipt. Proves what was served and when — never that the source was correct. Needs an API key and consumes quota.","tags":["evidence","provenance","citation","web"],"examples":["Seal https://www.federalreserve.gov/feeds/press_all.xml before quoting it","Capture /data/amount from a price API at the moment a signal reads it"]},{"id":"attest","name":"Seal a hash of content you already hold","description":"Record a SHA-256 digest for content with no public URL. Proves this account submitted this digest at this time and that the record has not changed since. Says nothing about where the content came from. Needs an API key.","tags":["evidence","timestamp","hash"],"examples":["Seal the digest of a generated answer alongside the receipts it cited"]},{"id":"verify","name":"Verify a receipt","description":"Check any Elucora receipt by id, or the receipt document itself. No credential required, and the same check runs offline against published keys.","tags":["verification","public"],"examples":["Verify rcpt_5aef003f307f47979d0af87ea9b091fe"]},{"id":"lookup","name":"Read a receipt and its proof","description":"Retrieve a public receipt with its transparency log entry, RFC 3161 timestamp and Bitcoin anchor state. No credential required.","tags":["verification","public","transparency"],"examples":["Show the anchor state of a receipt someone sent me"]}]}