Isometric .well Known API

The .well Known API from Isometric — 4 operation(s) for .well known.

Operations 4

GET /.well-known/oauth-protected-resource/mcp Get Public Mcp Protected Resource Metadata #
GET /.well-known/oauth-protected-resource/internal/mcp Get Internal Mcp Protected Resource Metadata #
GET /.well-known/oauth-authorization-server/oauth/mcp Get Authorization Server Metadata #
GET /.well-known/openai-apps-challenge Get Openai Apps Challenge #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/isometric:isometric-well-known-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

isometric-well-known-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Fast .well Known API
  version: 0.1.0
tags:
- name: .well Known
paths:
  /.well-known/oauth-protected-resource/mcp:
    get:
      summary: Get Public Mcp Protected Resource Metadata
      description: 'Protected resource metadata for the public MCP server (RFC 9728).


        Directs MCP clients to the authorization server that can issue tokens

        for the `/mcp/` resource.'
      operationId: get_public_mcp_protected_resource_metadata__well_known_oauth_protected_resource_mcp_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      tags:
      - .well Known
  /.well-known/oauth-protected-resource/internal/mcp:
    get:
      summary: Get Internal Mcp Protected Resource Metadata
      description: 'Protected resource metadata for the internal MCP server (RFC 9728).


        Directs MCP clients to the authorization server that can issue tokens

        for the `/internal/mcp/` resource.'
      operationId: get_internal_mcp_protected_resource_metadata__well_known_oauth_protected_resource_internal_mcp_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      tags:
      - .well Known
  /.well-known/oauth-authorization-server/oauth/mcp:
    get:
      summary: Get Authorization Server Metadata
      description: 'Authorization server metadata for MCP OAuth (RFC 8414).


        Advertises OAuth endpoints and supported features so MCP clients can

        discover how to initiate the authorization flow.'
      operationId: get_authorization_server_metadata__well_known_oauth_authorization_server_oauth_mcp_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      tags:
      - .well Known
  /.well-known/openai-apps-challenge:
    get:
      summary: Get Openai Apps Challenge
      operationId: get_openai_apps_challenge__well_known_openai_apps_challenge_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      tags:
      - .well Known
components:
  securitySchemes:
    HTTPBearer:
      type: http
      description: 'A JWT Bearer token header for authentication and authorization, in the format `Authorization: Bearer <token>`'
      scheme: bearer
      bearerFormat: JWT
x-provenance:
  method: harvested
  publisher: Isometric
  source: https://api.isometric.com/openapi.json
  note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
    stamped by stamp-openapi-provenance.py (roadmap#793)