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OpenAPI Specification

openapi: 3.2.0
info:
  title: Zephyr Cloud Public Discovery API
  version: 1.0.0
  summary: Machine-readable public discovery endpoints for Zephyr Cloud.
  description: This specification documents the public machine-readable resources exposed from zephyr-cloud.io for agents and developer tooling. Product implementation details live in the Zephyr Cloud docs.
servers:
- url: https://zephyr-cloud.io
  description: Production website
tags:
- name: Discovery
  description: Public discovery resources for crawlers, agents, and developer tooling.
paths:
  /openapi.json:
    get:
      tags:
      - Discovery
      summary: Get the Zephyr Cloud public OpenAPI specification
      operationId: getOpenApiSpec
      responses:
        '200':
          description: OpenAPI 3.1 specification
          content:
            application/json:
              schema:
                $ref: '#/$defs/openapiDocument'
  /.well-known/openapi:
    get:
      tags:
      - Discovery
      summary: Get the well-known OpenAPI discovery document
      operationId: getWellKnownOpenApi
      responses:
        '200':
          description: OpenAPI discovery alias
          content:
            application/json:
              schema:
                $ref: '#/$defs/openapiDocument'
  /.well-known/agent.json:
    get:
      tags:
      - Discovery
      summary: Get the A2A agent card
      operationId: getAgentCard
      responses:
        '200':
          description: A2A agent card for Zephyr Cloud
          content:
            application/json:
              schema:
                $ref: '#/$defs/agentCard'
  /.well-known/agents.json:
    get:
      tags:
      - Discovery
      summary: Get the public agents directory
      operationId: getAgentsDirectory
      responses:
        '200':
          description: Directory of public Zephyr Cloud agent endpoints
          content:
            application/json:
              schema:
                $ref: '#/$defs/agentsDirectory'
  /.well-known/mcp.json:
    get:
      tags:
      - Discovery
      summary: Get the MCP discovery document
      operationId: getMcpDiscoveryDocument
      responses:
        '200':
          description: MCP discovery document for Zephyr Cloud
          content:
            application/json:
              schema:
                $ref: '#/$defs/mcpDiscoveryDocument'
  /.well-known/webmcp.json:
    get:
      tags:
      - Discovery
      summary: Get the WebMCP tool manifest
      operationId: getWebMcpManifest
      responses:
        '200':
          description: WebMCP manifest with public tool definitions
          content:
            application/json:
              schema:
                $ref: '#/$defs/webMcpManifest'