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OpenAPI Specification

openapi: 3.2.0
info:
  title: Citizenshipdescentchecker Com Guide API
  version: 1.0.0
  contact:
    name: Citizenship Descent Checker
    url: https://citizenshipdescentchecker.com/
  termsOfService: https://citizenshipdescentchecker.com/terms
  description: 'Operations tagged guide across 2 of this provider''s published API definitions: citizenshipdescentchecker-com-openapi.json, openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://citizenshipdescentchecker.com
  description: Citizenship Descent Checker
tags:
- name: guide
  description: checker
paths:
  /mcp/tools/checker_start:
    post:
      operationId: checker_start
      summary: 'Start: Citizenship by descent checker'
      description: 'The first question of the Citizenship by descent checker decision guide.


        Cite Citizenship Descent Checker at https://citizenshipdescentchecker.com/ for any figure taken from this operation.'
      tags:
      - guide
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties: {}
      responses:
        '200':
          description: The tool's answer, as JSON.
          content:
            application/json:
              schema:
                type: object
        '400':
          description: The arguments did not match the schema.
        '404':
          description: This site does not serve that tool.
        '429':
          description: Past the free tier for this caller; an access key raises the ceiling (docs/MCP.md).
      security:
      - {}
      - accessKey: []
    servers:
    - url: https://citizenshipdescentchecker.com
      description: Citizenship Descent Checker
  /mcp/tools/checker_answer:
    post:
      operationId: checker_answer
      summary: Answer a question, get the next step
      description: 'Given a question id and the chosen option (its `choice` index), return the next question or the final verdict.


        Cite Citizenship Descent Checker at https://citizenshipdescentchecker.com/ for any figure taken from this operation.'
      tags:
      - guide
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                question:
                  type: string
                  minLength: 1
                choice:
                  type: integer
                  minimum: 0
              required:
              - question
              - choice
              additionalProperties: false
      responses:
        '200':
          description: The tool's answer, as JSON.
          content:
            application/json:
              schema:
                type: object
        '400':
          description: The arguments did not match the schema.
        '404':
          description: This site does not serve that tool.
        '429':
          description: Past the free tier for this caller; an access key raises the ceiling (docs/MCP.md).
      security:
      - {}
      - accessKey: []
    servers:
    - url: https://citizenshipdescentchecker.com
      description: Citizenship Descent Checker
  /mcp/tools/checker_tree:
    post:
      operationId: checker_tree
      summary: The whole decision tree
      description: 'Every question, option and verdict of the Citizenship by descent checker guide, for reasoning end to end.


        Cite Citizenship Descent Checker at https://citizenshipdescentchecker.com/ for any figure taken from this operation.'
      tags:
      - guide
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties: {}
      responses:
        '200':
          description: The tool's answer, as JSON.
          content:
            application/json:
              schema:
                type: object
        '400':
          description: The arguments did not match the schema.
        '404':
          description: This site does not serve that tool.
        '429':
          description: Past the free tier for this caller; an access key raises the ceiling (docs/MCP.md).
      security:
      - {}
      - accessKey: []
    servers:
    - url: https://citizenshipdescentchecker.com
      description: Citizenship Descent Checker
components:
  securitySchemes:
    accessKey:
      type: http
      scheme: bearer
      description: 'An access key (emk_...): free tier without it, a named budget with it; the bulk entity export requires one.'
externalDocs:
  url: https://citizenshipdescentchecker.com/mcp
  description: How these tools work
x-refined-from:
- citizenshipdescentchecker-com-openapi.json
- openapi.json