joinsandwich-com Discovery API

Machine-readable indexes and catalogs.

Operations 8

GET /openapi.json OpenAPI 3 specification #
GET /agents.json Agent and MCP discovery manifest #
GET /llms.txt llms.txt index of canonical pages #
GET /llms-full.txt Expanded llms.txt index #
GET /.well-known/api-catalog RFC 9727 API catalog linkset #
GET /.well-known/mcp/server.json MCP registry server.json #
GET /.well-known/mcp.json Root-path mirror of MCP server.json #
GET /.well-known/oauth-authorization-server RFC 8414 authorization server metadata #

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OpenAPI Specification

joinsandwich-com-discovery-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Sandwich Public Discovery API
  version: 1.0.0
  summary: Public care-directory MCP, markdown negotiation, and discovery for joinsandwich.com.
  description: Machine-readable API for the Sandwich marketing and directory site (www.joinsandwich.com). The public MCP is read-only and requires no auth. Private Care Circle tools and OAuth 2.0 live on inbox.lovedone.app (see /.well-known/oauth-authorization-server).
  contact:
    name: Sandwich
    email: hello@joinsandwich.com
    url: https://www.joinsandwich.com/agents
  license:
    name: Proprietary
    url: https://www.joinsandwich.com/terms
servers:
- url: https://www.joinsandwich.com
  description: Production (canonical www host)
- url: https://joinsandwich.com
  description: Apex host (redirects to www)
tags:
- name: Discovery
  description: Machine-readable indexes and catalogs.
paths:
  /openapi.json:
    get:
      tags:
      - Discovery
      operationId: getOpenApi
      summary: OpenAPI 3 specification
      responses:
        '200':
          description: OpenAPI 3.0 document
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
  /agents.json:
    get:
      tags:
      - Discovery
      operationId: getAgentsManifest
      summary: Agent and MCP discovery manifest
      responses:
        '200':
          description: Agent discovery document
          content:
            application/json:
              schema:
                type: object
  /llms.txt:
    get:
      tags:
      - Discovery
      operationId: getLlmsTxt
      summary: llms.txt index of canonical pages
      responses:
        '200':
          description: Markdown index
          content:
            text/markdown:
              schema:
                type: string
  /llms-full.txt:
    get:
      tags:
      - Discovery
      operationId: getLlmsFullTxt
      summary: Expanded llms.txt index
      responses:
        '200':
          description: Markdown index
          content:
            text/markdown:
              schema:
                type: string
  /.well-known/api-catalog:
    get:
      tags:
      - Discovery
      operationId: getApiCatalog
      summary: RFC 9727 API catalog linkset
      responses:
        '200':
          description: Linkset
          content:
            application/linkset+json:
              schema:
                type: object
  /.well-known/mcp/server.json:
    get:
      tags:
      - Discovery
      operationId: getMcpServerJson
      summary: MCP registry server.json
      responses:
        '200':
          description: MCP server metadata
          content:
            application/json:
              schema:
                type: object
  /.well-known/mcp.json:
    get:
      tags:
      - Discovery
      operationId: getMcpJson
      summary: Root-path mirror of MCP server.json
      responses:
        '200':
          description: MCP server metadata
          content:
            application/json:
              schema:
                type: object
  /.well-known/oauth-authorization-server:
    get:
      tags:
      - Discovery
      operationId: getOauthAuthorizationServer
      summary: RFC 8414 authorization server metadata
      description: Advertises the existing LovedOne / Sandwich authorization server (issuer https://inbox.lovedone.app). This host does not issue tokens.
      responses:
        '200':
          description: Authorization server metadata
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OAuthAuthorizationServer'
components:
  schemas:
    OAuthAuthorizationServer:
      type: object
      required:
      - issuer
      - authorization_endpoint
      - token_endpoint
      - response_types_supported
      properties:
        issuer:
          type: string
          format: uri
        authorization_endpoint:
          type: string
          format: uri
        token_endpoint:
          type: string
          format: uri
        response_types_supported:
          type: array
          items:
            type: string
  securitySchemes:
    firebaseBearer:
      type: http
      scheme: bearer
      bearerFormat: Firebase ID token
      description: Firebase ID token from a signed-in Sandwich user.