{"id":11333,"name":"KoPass","description":"Dated measurements of the agentic ecosystem. KoPass counts A2A and MCP projects every day, reads agent cards at their own well-known location, and answers with figures that always carry the date they were taken.","card_url":"https://kopass.app/.well-known/agent-card.json","endpoint":"https://kopass.app/a2a/rpc","protocol_version":"1.0","first_seen":"2026-10-10T12:47:52.347281+00:00","last_verified":"2026-10-11T19:16:47.502703+00:00","card":{"name":"KoPass","skills":[{"id":"a2a_ecosystem","name":"A2A ecosystem, measured","tags":["a2a","measurement","ecosystem"],"examples":["How many projects actually use A2A?"],"description":"How many projects use the A2A (Agent2Agent) protocol, counted daily from declared repository topics: total, created in the last year, active, dormant, abandoned, and by language. Every figure carries the date it was measured."},{"id":"mcp_ecosystem","name":"MCP ecosystem, measured","tags":["mcp","measurement","ecosystem"],"examples":["How many MCP servers exist?"],"description":"How many servers are published for the Model Context Protocol, counted daily from the official registry, with the same breakdown and the date of the reading."},{"id":"search_tools","name":"Search the measured catalogue","tags":["catalogue","search","tools"],"examples":["Find measured MCP servers for Postgres."],"description":"Search the KoPass catalogue of developer tools, libraries, CLIs, MCP servers and agent skills. Results come from daily readings, never from an editorial list."},{"id":"find_agents_by_capability","name":"Find an A2A agent by capability","tags":["a2a","discovery","agents"],"examples":["Which agent can issue an invoice?"],"description":"Find deployed A2A agents by the skills they declare, among those whose card KoPass read at their own well-known location and that still answered on the latest reading. Each result carries the date it last answered."},{"id":"agent_record","name":"Everything known about one agent","tags":["a2a","agents","history"],"examples":["Is the agent at example.com still answering?"],"description":"Return the full record KoPass holds for one A2A agent, by its host name: declared skills, conformance verdict, protocol version, since when it has been followed, and the date it last answered."},{"id":"a2a_conformance","name":"A2A card conformance, measured","tags":["a2a","conformance","measurement"],"examples":["How many A2A agent cards actually follow the specification?"],"description":"Return the dated conformance figures across every agent card KoPass reads daily: how many are conformant, how many still use the shape from before v1.0, how many are signed, and the most frequent faults."},{"id":"validate_agent_card","name":"Validate an A2A agent card","tags":["a2a","validation","conformance"],"examples":["Is the agent card at example.com valid?"],"description":"Read the agent card published at an address and report what the A2A specification says about it, field by field, including whether it uses the shape from before v1.0."},{"id":"a2a_adoption","name":"A2A version adoption, measured day by day","tags":["a2a","adoption","measurement","versions"],"examples":["Is A2A 1.0 actually deployed, or only published?","What share of A2A agents still serve the card shape from before 1.0?"],"description":"Return what version of the A2A specification the deployed agents actually serve, measured every day rather than declared once. Each day carries the number of agents that answered and the number that declare a readable version, so a share can be computed on the measurement."},{"id":"a2a_reliability","name":"Whether the tracked agents still answer","tags":["a2a","reliability","measurement"],"examples":["Which A2A agents have stopped answering?","How many agents that went silent came back?"],"description":"Return how reliably the followed A2A agents answer at their own well-known location, with silence qualified by its duration and the agents that went quiet and came back counted separately. Answers the question a directory cannot: can this agent be depended on."}],"iconUrl":"https://kopass.app/static/logo.svg","version":"1.0.0","provider":{"url":"https://kopass.app","organization":"ALEXOPS"},"description":"Dated measurements of the agentic ecosystem. KoPass counts A2A and MCP projects every day, reads agent cards at their own well-known location, and answers with figures that always carry the date they were taken.","capabilities":{"streaming":false,"extendedAgentCard":false,"pushNotifications":false},"documentationUrl":"https://kopass.app/a2a","defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"supportedInterfaces":[{"url":"https://kopass.app/a2a/rpc","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-11T19:16:47.502703+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agenstry federation","source_url":"https://agenstry.com/docs","last_check":{"checked_at":"2026-10-11T19:16:47.502703+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://kopass.app/.well-known/agent-card.json"],"also_observed_in":[{"source_name":"Agent Tools Catalog","source_url":"https://agent-tools.cloud","last_seen":"2026-10-10T14:25:26.612423+00:00"}],"skills":[{"skill_id":"a2a_conformance","name":"A2A card conformance, measured","description":"Return the dated conformance figures across every agent card KoPass reads daily: how many are conformant, how many still use the shape from before v1.0, how many are signed, and the most frequent faults.","tags":["a2a","conformance","measurement"],"quality_warning":false},{"skill_id":"a2a_ecosystem","name":"A2A ecosystem, measured","description":"How many projects use the A2A (Agent2Agent) protocol, counted daily from declared repository topics: total, created in the last year, active, dormant, abandoned, and by language. Every figure carries the date it was measured.","tags":["a2a","measurement","ecosystem"],"quality_warning":false},{"skill_id":"a2a_adoption","name":"A2A version adoption, measured day by day","description":"Return what version of the A2A specification the deployed agents actually serve, measured every day rather than declared once. Each day carries the number of agents that answered and the number that declare a readable version, so a share can be computed on the measurement.","tags":["a2a","adoption","measurement","versions"],"quality_warning":false},{"skill_id":"agent_record","name":"Everything known about one agent","description":"Return the full record KoPass holds for one A2A agent, by its host name: declared skills, conformance verdict, protocol version, since when it has been followed, and the date it last answered.","tags":["a2a","agents","history"],"quality_warning":false},{"skill_id":"find_agents_by_capability","name":"Find an A2A agent by capability","description":"Find deployed A2A agents by the skills they declare, among those whose card KoPass read at their own well-known location and that still answered on the latest reading. Each result carries the date it last answered.","tags":["a2a","discovery","agents"],"quality_warning":false},{"skill_id":"mcp_ecosystem","name":"MCP ecosystem, measured","description":"How many servers are published for the Model Context Protocol, counted daily from the official registry, with the same breakdown and the date of the reading.","tags":["mcp","measurement","ecosystem"],"quality_warning":false},{"skill_id":"search_tools","name":"Search the measured catalogue","description":"Search the KoPass catalogue of developer tools, libraries, CLIs, MCP servers and agent skills. Results come from daily readings, never from an editorial list.","tags":["catalogue","search","tools"],"quality_warning":false},{"skill_id":"validate_agent_card","name":"Validate an A2A agent card","description":"Read the agent card published at an address and report what the A2A specification says about it, field by field, including whether it uses the shape from before v1.0.","tags":["a2a","validation","conformance"],"quality_warning":false},{"skill_id":"a2a_reliability","name":"Whether the tracked agents still answer","description":"Return how reliably the followed A2A agents answer at their own well-known location, with silence qualified by its duration and the agents that went quiet and came back counted separately. Answers the question a directory cannot: can this agent be depended on.","tags":["a2a","reliability","measurement"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":14,"passed":14},"recent_checks":[{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T19:16:47.502703+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T16:58:43.910280+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T14:33:27.526142+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T12:11:30.659400+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T10:03:46.847435+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T07:48:00.089576+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T05:34:02.229520+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T03:16:17.175349+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-11T00:58:41.797839+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-10T22:39:50.007596+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-10T20:22:53.419470+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://kopass.app/.well-known/agent-card.json","checked_at":"2026-10-10T17:50:30.127107+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-11T19:16:47.502703+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-11T14:33:27.526142+00:00","state":"jsonrpc_no_task_lookup","http_status":200,"detail":"Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A"},"x402_price_check":null,"events":[],"relationships":[],"verification":{"agent_card_url":"https://kopass.app/.well-known/agent-card.json","last_successful_card_check":"2026-10-11T19:16:47.502703+00:00","latest_card_check":{"checked_at":"2026-10-11T19:16:47.502703+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-11T19:16:47.502703+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-11T19:16:47.502703+00:00","endpoint_tls_reachable":true,"protocol_check_state":"jsonrpc_no_task_lookup","protocol_checked_at":"2026-10-11T14:33:27.526142+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}