{
  "protocolVersion": "0.3.0",
  "name": "PublicAPIs.io Listings Broker",
  "description": "Negotiates API listings and sponsorships on PublicAPIs.io, a directory of 1,500+ public APIs used by developers and AI agents. Prices are fixed (Pro listing $99 one-time; Professional sponsorship $699/month; Enterprise sponsorship $1,299/month). Every deal is approved by a person before payment.",
  "url": "https://publicapis.io/a2a",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    { "url": "https://publicapis.io/a2a", "transport": "JSONRPC" }
  ],
  "provider": { "organization": "PublicAPIs.io", "url": "https://publicapis.io" },
  "version": "1.0.0",
  "documentationUrl": "https://publicapis.io/submit",
  "capabilities": { "streaming": false, "pushNotifications": false },
  "defaultInputModes": ["text/plain", "application/json"],
  "defaultOutputModes": ["text/plain", "application/json"],
  "skills": [
    {
      "id": "list-api",
      "name": "List an API",
      "description": "Get an API listed on PublicAPIs.io (Pro listing). Provide the API name, website, docs URL and a contact email. Returns status and, after approval, a payment link.",
      "tags": ["api directory", "listing", "developer marketing"],
      "examples": ["List our weather API, website https://example.com, contact dev@example.com"]
    },
    {
      "id": "sponsor",
      "name": "Sponsor PublicAPIs.io",
      "description": "Buy a Professional or Enterprise sponsorship slot, choosing term length, billing and start date.",
      "tags": ["sponsorship", "advertising"],
      "examples": ["We want a 3-month Professional sponsorship starting next week"]
    }
  ],
  "x-mcp": { "url": "https://publicapis.io/mcp", "transport": "streamable-http" },
  "x-email": "listings@updates.publicapis.io"
}