{"uid":"cap_bjUW8aosoPAOHPMMNGOJ5","slug":"mcp-server-identity-evidence-095a564a","name":"MCP Server Identity Evidence","description":"Bind declared MCP domain, endpoint, manifest, key and version in signed evidence","url":"https://phion.systems/v1/paid/trust/mcp-server-identity-evidence","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema"},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_a8ujulRMQDB3DOiAVpI3e","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates signed cryptographic evidence binding an MCP server's declared domain, endpoint, manifest, public key, and version together into a verifiable identity attestation","exampleAgentPrompt":"Generate signed identity evidence for my MCP server at api.mycompany.com, endpoint https://api.mycompany.com/mcp, using public key abc123xyz, manifest version 1.2.0 — I need a cryptographic binding that proves all these components belong together.","exampleUseCases":[{"title":"MCP server launch identity anchoring","prompt":"Before I deploy my new MCP server at agents.myapp.io, create signed identity evidence binding the domain, the manifest I just published, my server's public key fingerprint ed25519-pub-99ab, and version 2.0.1 so downstream agents can verify it's legitimate."},{"title":"Key rotation attestation","prompt":"I just rotated my MCP server's signing key — can you produce fresh signed evidence binding the new public key newkey-pub-44ff to my existing domain mcp.acmecorp.com, endpoint https://mcp.acmecorp.com/v2, and manifest hash so there's a verifiable record of the rotation at version 3.1.0?"},{"title":"Multi-tenant agent trust registry","prompt":"We run several MCP servers for different clients and need tamper-evident proof for each one — start with client-alpha's server at alpha.platform.io, endpoint https://alpha.platform.io/mcp, key pub-alpha-88cc, manifest v0.9.5, so we can store signed evidence in our trust registry."}],"resultDescription":"A signed evidence object cryptographically binding the declared MCP server domain, endpoint URL, manifest, public key, and version. The evidence can be stored, shared, or verified by downstream agents and systems to confirm the server's identity has not been tampered with or spoofed.","failureModes":["Missing required fields (domain, endpoint, manifest, key, or version) result in a validation error","Malformed key format causes signing failure","Invalid URL format for the endpoint field returns a schema rejection","Payment not processed via x402 results in 402 response before evidence is generated","Signature service unavailability returns a 5xx error"],"whenToPreferThis":"Use this endpoint when you need a portable, signed, cryptographically-verifiable record that ties together all the components of an MCP server's identity — domain, endpoint, manifest, key, and version — in a single evidence bundle. It is specifically designed for MCP server trust establishment and is more appropriate than generic document signing or identity services when working within the Model Context Protocol ecosystem and agentic security workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:50:58.641Z","isFirstParty":false}