{
  "name": "Chiark",
  "description": "Cross-protocol quality index for AI agent services. Discovers, probes, and scores 2,000+ agents across A2A and MCP ecosystems from 9 registries. Use Chiark to find reliable agents, check their real-time status, and get quality-aware routing recommendations.",
  "url": "https://chiark.ai/api/v1",
  "protocolVersion": "0.3",
  "version": "1.0.0",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": ["text/plain"],
  "defaultOutputModes": ["application/json"],
  "skills": [
    {
      "id": "find-agent",
      "name": "Find Agent",
      "description": "Search for AI agents by task description with quality constraints (min uptime, max latency, score thresholds). Returns ranked results with operational scores.",
      "tags": ["agent-discovery", "routing", "quality"],
      "examples": [
        "Find translation agents with >99% uptime and <500ms latency",
        "Which crypto MCP servers are currently online?",
        "GET /api/v1/discover?task=web+scraping&min_uptime=0.9&protocol=mcp"
      ],
      "inputModes": ["text/plain"],
      "outputModes": ["application/json"]
    },
    {
      "id": "check-status",
      "name": "Check Agent Status",
      "description": "Get real-time operational status of any indexed agent — is it alive, HTTP status, response time, TLS validity.",
      "tags": ["monitoring", "health-check", "status"],
      "examples": ["Is the SaaS Browser agent currently online?"],
      "inputModes": ["text/plain"],
      "outputModes": ["application/json"]
    },
    {
      "id": "get-score",
      "name": "Get Agent Score",
      "description": "Get full quality score breakdown for an agent: availability (0-30), conformance (0-30), performance (0-40), uptime, latency, trend, rank.",
      "tags": ["scoring", "quality", "ranking"],
      "examples": ["How reliable is the WeatherBot agent?"],
      "inputModes": ["text/plain"],
      "outputModes": ["application/json"]
    },
    {
      "id": "report-outcome",
      "name": "Report Routing Outcome",
      "description": "Report whether a routed agent succeeded or failed at a task. Improves future routing recommendations.",
      "tags": ["feedback", "quality-improvement"],
      "examples": ["Agent X completed my translation task successfully"],
      "inputModes": ["application/json"],
      "outputModes": ["application/json"]
    },
    {
      "id": "get-ecosystem-stats",
      "name": "Get Ecosystem Stats",
      "description": "Get ecosystem-wide health statistics: total agents, online count, category distribution, top agents, average scores.",
      "tags": ["analytics", "ecosystem", "stats"],
      "examples": ["How many AI agents are currently online?", "What's the average agent quality score?"],
      "inputModes": ["text/plain"],
      "outputModes": ["application/json"]
    }
  ],
  "securitySchemes": {},
  "security": [],
  "provider": {
    "organization": "Chiark",
    "url": "https://chiark.ai"
  },
  "extensions": {
    "chiark:api_docs": "https://chiark.ai/docs",
    "chiark:llms_txt": "https://chiark.ai/llms.txt",
    "chiark:openapi": "https://chiark.ai/openapi.json",
    "chiark:mcp_endpoint": "https://chiark.ai/mcp/",
    "chiark:mcp_package": "https://github.com/chiark-ai-dev/chiark-mcp"
  }
}