Lichess · Capability

Lichess API — External engine

Lichess API — External engine. 8 operations. Lead operation: List external engines. Self-contained Naftiko capability covering one Lichess business surface.

Lichess API — External engine is a Naftiko capability published by Lichess, one of 23 capabilities the APIs.io network indexes for this provider. It bundles 8 operations across the POST, GET, PUT, and DELETE methods rooted at /v1/api/external-engine.

The capability includes 2 read-only operations and 6 state-changing operations. Lead operation: List external engines. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include Lichess and External engine.

Run with Naftiko LichessExternal engine

What You Can Do

GET
Apiexternalenginelist — List external engines
/v1/api/external-engine
POST
Apiexternalenginecreate — Create external engine
/v1/api/external-engine
GET
Apiexternalengineget — Get external engine
/v1/api/external-engine/{id}
PUT
Apiexternalengineput — Update external engine
/v1/api/external-engine/{id}
DELETE
Apiexternalenginedelete — Delete external engine
/v1/api/external-engine/{id}
POST
Apiexternalengineanalyse — Analyse with external engine
/v1/api/external-engine/{id}/analyse
POST
Apiexternalengineacquire — Acquire analysis request
/v1/api/external-engine/work
POST
Apiexternalenginesubmit — Answer analysis request
/v1/api/external-engine/work/{id}

MCP Tools

lichess-apiexternalenginelist

List external engines

read-only
lichess-apiexternalenginecreate

Create external engine

lichess-apiexternalengineget

Get external engine

read-only
lichess-apiexternalengineput

Update external engine

lichess-apiexternalenginedelete

Delete external engine

lichess-apiexternalengineanalyse

Analyse with external engine

lichess-apiexternalengineacquire

Acquire analysis request

lichess-apiexternalenginesubmit

Answer analysis request

Capability Spec

external-engine.yaml Raw ↑ 
naftiko: 1.0.0-alpha2
info:
  label: Lichess API — External engine
  description: 'Lichess API — External engine. 8 operations. Lead operation: List external engines. Self-contained Naftiko capability covering one Lichess business surface.'
  tags:
  - Lichess
  - External engine
  created: '2026-05-25'
  modified: '2026-05-25'
binds:
- namespace: env
  keys:
    LICHESS_API_TOKEN: LICHESS_API_TOKEN
capability:
  consumes:
  - type: http
    namespace: external-engine
    baseUri: https://lichess.org
    description: Lichess External engine business capability. Self-contained, no shared references.
    resources:
    - name: external-engine
      path: /api/external-engine
      operations:
      - name: apiexternalenginelist
        method: GET
        description: 'List external engines'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: apiexternalenginecreate
        method: POST
        description: 'Create external engine'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
    - name: external-engine-id
      path: /api/external-engine/{id}
      operations:
      - name: apiexternalengineget
        method: GET
        description: 'Get external engine'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: apiexternalengineput
        method: PUT
        description: 'Update external engine'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
      - name: apiexternalenginedelete
        method: DELETE
        description: 'Delete external engine'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: external-engine-id-analyse
      path: /api/external-engine/{id}/analyse
      operations:
      - name: apiexternalengineanalyse
        method: POST
        description: 'Analyse with external engine'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
    - name: external-engine-work
      path: /api/external-engine/work
      operations:
      - name: apiexternalengineacquire
        method: POST
        description: 'Acquire analysis request'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
    - name: external-engine-work-id
      path: /api/external-engine/work/{id}
      operations:
      - name: apiexternalenginesubmit
        method: POST
        description: 'Answer analysis request'
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: false
    authentication:
      type: bearer
      value: '{{env.LICHESS_API_TOKEN}}'
      placement: header
  exposes:
  - type: rest
    namespace: external-engine-rest
    port: 8080
    description: REST adapter for Lichess External engine. One Spectral-compliant resource per consumed operation.
    resources:
    - path: /v1/api/external-engine
      name: external-engine
      description: REST surface for external-engine.
      operations:
      - method: GET
        name: apiexternalenginelist
        description: 'List external engines'
        call: external-engine.apiexternalenginelist
        with:
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: apiexternalenginecreate
        description: 'Create external engine'
        call: external-engine.apiexternalenginecreate
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/external-engine/{id}
      name: external-engine-id
      description: REST surface for external-engine-id.
      operations:
      - method: GET
        name: apiexternalengineget
        description: 'Get external engine'
        call: external-engine.apiexternalengineget
        with:
        outputParameters:
        - type: object
          mapping: $.
      - method: PUT
        name: apiexternalengineput
        description: 'Update external engine'
        call: external-engine.apiexternalengineput
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: apiexternalenginedelete
        description: 'Delete external engine'
        call: external-engine.apiexternalenginedelete
        with:
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/external-engine/{id}/analyse
      name: external-engine-id-analyse
      description: REST surface for external-engine-id-analyse.
      operations:
      - method: POST
        name: apiexternalengineanalyse
        description: 'Analyse with external engine'
        call: external-engine.apiexternalengineanalyse
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/external-engine/work
      name: external-engine-work
      description: REST surface for external-engine-work.
      operations:
      - method: POST
        name: apiexternalengineacquire
        description: 'Acquire analysis request'
        call: external-engine.apiexternalengineacquire
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/api/external-engine/work/{id}
      name: external-engine-work-id
      description: REST surface for external-engine-work-id.
      operations:
      - method: POST
        name: apiexternalenginesubmit
        description: 'Answer analysis request'
        call: external-engine.apiexternalenginesubmit
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: external-engine-mcp
    port: 9090
    transport: http
    description: MCP adapter for Lichess External engine. One tool per consumed operation.
    tools:
    - name: lichess-apiexternalenginelist
      description: 'List external engines'
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: external-engine.apiexternalenginelist
      with:
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalenginecreate
      description: 'Create external engine'
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: external-engine.apiexternalenginecreate
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalengineget
      description: 'Get external engine'
      hints:
        readOnly: true
        destructive: false
        idempotent: false
      call: external-engine.apiexternalengineget
      with:
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalengineput
      description: 'Update external engine'
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: external-engine.apiexternalengineput
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalenginedelete
      description: 'Delete external engine'
      hints:
        readOnly: false
        destructive: true
        idempotent: false
      call: external-engine.apiexternalenginedelete
      with:
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalengineanalyse
      description: 'Analyse with external engine'
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: external-engine.apiexternalengineanalyse
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalengineacquire
      description: 'Acquire analysis request'
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: external-engine.apiexternalengineacquire
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: lichess-apiexternalenginesubmit
      description: 'Answer analysis request'
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: external-engine.apiexternalenginesubmit
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.