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OpenAPI Specification

openapi: 3.2.0
info:
  title: Alternativas IA HTTP surfaces Agent API
  version: 1.20.0
  summary: Machine-readable map of the real HTTP endpoints on alternativasia.com.
  description: 'Alternativas IA is served from this origin. Query the catalog through the MCP endpoint documented here — there is no parallel REST catalog. Unknown /api paths return JSON { error, status }. Public HTML pages also speak markdown at the same URL (Accept: text/markdown). Rate limit: 120 requests / 60s (IETF RateLimit + RateLimit-Policy; Retry-After on 429). URL path /api/v1 is the current catalog JSON. Responses also send API-Version: 1. Breaking changes ship under /api/v2. Deprecated versions get Deprecation and Sunset headers for at least 90 days. There is no v2 yet.'
servers:
- url: https://alternativasia.com
tags:
- name: Agent
paths:
  /agent/auth:
    get:
      summary: 401 + WWW-Authenticate resource_metadata hint
      operationId: getAgentAuthHint
      responses:
        '401':
          description: No agent tokens are issued
      tags:
      - Agent
  /agent/register:
    get:
      summary: Advertised register_uri; GET/OPTIONS 405/204 — no registration
      operationId: getAgentRegister
      responses:
        '200':
          description: Advertised register_uri; GET/OPTIONS 405/204 — no registration
          content:
            application/json:
              schema:
                type: object
      tags:
      - Agent
  /agent/claim:
    get:
      summary: Advertised claim_uri; GET/OPTIONS 405/204 — no claim
      operationId: getAgentClaim
      responses:
        '200':
          description: Advertised claim_uri; GET/OPTIONS 405/204 — no claim
          content:
            application/json:
              schema:
                type: object
      tags:
      - Agent
  /agent/revoke:
    get:
      summary: Advertised revocation_uri; GET/OPTIONS 405/204 — no revoke
      operationId: getAgentRevoke
      responses:
        '200':
          description: Advertised revocation_uri; GET/OPTIONS 405/204 — no revoke
          content:
            application/json:
              schema:
                type: object
      tags:
      - Agent
components:
  securitySchemes:
    CatalogScopes:
      type: oauth2
      description: Named permission scopes this origin documents. Public catalog reads need no token (catalog:read). catalog:write is submit_tool only. There is no agent token endpoint.
      flows:
        authorizationCode:
          authorizationUrl: https://alternativasia.com/api/auth/signin
          tokenUrl: https://alternativasia.com/api/auth/signin
          scopes:
            catalog:read: Public catalog reads (HTML, markdown, MCP read tools, /api/v1/listings, /ask)
            catalog:write: submit_tool creates a DRAFT the maker must claim