{"$schema":"https://static.modelcontextprotocol.io/schemas/mcp-server-card/v1.json","version":"1.0","protocolVersion":"2025-11-25","serverInfo":{"name":"hogarmas-content-credentials","title":"H/M Content Credentials Evidence Verifier","version":"2.27.0"},"description":"A focused, free MCP endpoint for checking privacy-minimized H/M Content Credentials evidence and audit envelope integrity.","iconUrl":"https://hogarmas.net/favicon.svg","documentationUrl":"https://hogarmas.net/content-credentials/developers/","transport":{"type":"streamable-http","endpoint":"/mcp/content-credentials"},"capabilities":{"tools":{"listChanged":false},"resources":{"subscribe":false,"listChanged":false}},"requires":{},"authentication":{"required":false,"schemes":[]},"instructions":"Call get_content_credentials_capabilities first. Submit only an H/M evidence-envelope or audit-report-envelope JSON object to its matching verifier. Never send source image, video, audio or PDF bytes. A checksum match proves only that the submitted report bytes match their declared digest; it is not a digital signature, issuer authentication, authorship proof, truth score or legal certification.","resources":[{"name":"content-credentials-server-card","title":"H/M Content Credentials MCP Server Card","uri":"mcp://content-credentials/server-card.json","description":"Focused connection, tool and privacy metadata.","mimeType":"application/json"},{"name":"content-credentials-capabilities","title":"Content Credentials MCP capabilities","uri":"mcp://content-credentials/capabilities.json","description":"Current tool, byte-limit, privacy and interpretation boundaries.","mimeType":"application/json"},{"name":"content-credentials-protocol","title":"Content Credentials MCP protocol","uri":"mcp://content-credentials/protocol.md","description":"A short machine guide for safe evidence-envelope verification.","mimeType":"text/markdown"}],"tools":[{"name":"get_content_credentials_capabilities","title":"Read Content Credentials verification boundaries","description":"Returns the three free tools, byte limits, privacy behavior and interpretation boundaries.","inputSchema":{"type":"object","properties":{},"additionalProperties":false}},{"name":"verify_content_credentials_envelope","title":"Verify an H/M evidence envelope checksum","description":"Checks schema, privacy boundaries and canonical SHA-256 integrity without source media.","inputSchema":{"type":"object","properties":{"envelope":{"type":"object","description":"Privacy-minimized H/M evidence JSON envelope. Source media is not accepted."}},"required":["envelope"],"additionalProperties":false}},{"name":"verify_content_credentials_audit","title":"Verify an H/M audit evidence envelope","description":"Checks report identity, source-report digest and the local custody hash chain.","inputSchema":{"type":"object","properties":{"envelope":{"type":"object","description":"Privacy-minimized H/M evidence JSON envelope. Source media is not accepted."}},"required":["envelope"],"additionalProperties":false}}],"_meta":{"canonicalOrigin":"https://agents.hogarmas.net","parentServerCard":"https://agents.hogarmas.net/.well-known/mcp/server-card.json","fullMcpEndpoint":"https://agents.hogarmas.net/mcp","focusedMcpEndpoint":"https://agents.hogarmas.net/mcp/content-credentials","discoveryOrigin":"https://hogarmas.net","toolCount":3,"toolNames":["get_content_credentials_capabilities","verify_content_credentials_envelope","verify_content_credentials_audit"],"resourceCount":3,"paymentsRequired":false,"apiKeyRequired":false,"sourceMediaAccepted":false,"requestBodyPersistedByApplication":false,"aggregateInvocationMetrics":true,"rawIpStoredByApplication":false,"responseEchoesSubmittedEnvelope":false,"cryptographicallySigned":false,"issuerIdentityVerified":false,"checksumAuthenticatesIssuer":false,"semanticTruthProven":false,"links":{"restCapabilities":"https://hogarmas.net/api/content-credentials/v1/capabilities","openapi":"https://hogarmas.net/openapi.json","evidenceEnvelopeSchema":"https://hogarmas.net/content-credentials/evidence-envelope-schema.json","auditEnvelopeSchema":"https://hogarmas.net/content-credentials/audit-report-envelope-schema.json","evidencePackageProfile":"https://hogarmas.net/content-credentials/evidence-package-profile.json","pythonAdapter":"https://hogarmas.net/content-credentials/python/"}}}