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OpenAPI Specification

openapi: 3.2.0
info:
  title: Clerion MCP API
  version: 1.0.0
  summary: Website intelligence for AI founders.
  description: 'The HTTP surface of Clerion that a customer''s own systems call. Analytics are read through the MCP server at /mcp, which serves the same aggregates the dashboard shows and can change or delete nothing. Deploys are recorded with one POST from CI. Visitor rows are never exposed: every figure is an aggregate.'
  termsOfService: https://getclerion.com/terms
  contact:
    name: Clerion
    url: https://getclerion.com/contact
    email: hello@getclerion.com
servers:
- url: https://api.getclerion.com
tags:
- name: MCP
  description: 'Model Context Protocol over Streamable HTTP: 26 read-only analytics tools plus clerion_connect_site.'
paths:
  /mcp:
    post:
      operationId: mcp
      tags:
      - MCP
      summary: MCP endpoint (Streamable HTTP)
      description: 'JSON-RPC 2.0 messages of the Model Context Protocol. Connect it as an HTTP MCP server in Claude, Cursor or any client; the client discovers the tools with tools/list. Every tool is read-only and returns aggregates. Unauthenticated requests get 401 with a WWW-Authenticate header pointing at the protected-resource metadata, so OAuth-capable clients sign in on their own. Guide: https://getclerion.com/mcp'
      security:
      - oauth:
        - analytics:read
      - clerionKey: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/JsonRpcRequest'
      responses:
        '200':
          description: The JSON-RPC response, as JSON or as a server-sent event stream depending on the Accept header.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JsonRpcResponse'
            text/event-stream:
              schema:
                type: string
        '401':
          description: No or invalid credentials. WWW-Authenticate names the resource metadata.
components:
  schemas:
    JsonRpcRequest:
      type: object
      required:
      - jsonrpc
      - method
      properties:
        jsonrpc:
          type: string
          const: '2.0'
        id:
          type:
          - string
          - integer
          - 'null'
        method:
          type: string
          description: initialize, tools/list, tools/call, and the other MCP methods.
        params:
          type: object
          additionalProperties: true
    JsonRpcResponse:
      type: object
      properties:
        jsonrpc:
          type: string
          const: '2.0'
        id:
          type:
          - string
          - integer
          - 'null'
        result:
          type: object
          additionalProperties: true
        error:
          type: object
          properties:
            code:
              type: integer
            message:
              type: string
  securitySchemes:
    clerionKey:
      type: http
      scheme: bearer
      description: The account key from the dashboard, under Your model. Replacing the key there revokes it everywhere.
    oauth:
      type: oauth2
      description: 'OAuth 2.1 for MCP clients: authorization code with PKCE, dynamic client registration at /oauth/register. Discover it at /.well-known/oauth-authorization-server.'
      flows:
        authorizationCode:
          authorizationUrl: https://api.getclerion.com/oauth/authorize
          tokenUrl: https://api.getclerion.com/oauth/token
          scopes:
            analytics:read: Read aggregate analytics for the sites on the account. Nothing can be changed or deleted.
externalDocs:
  description: Clerion docs
  url: https://getclerion.com/docs