> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lighton.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# List tools for an MCP server

> Returns the tools registered for a specific MCP server. Returns 403 if the server does not exist or is not accessible.



## OpenAPI

````yaml /api-reference/openapi-v3.yaml get /api/v3/mcp/{id}/tools
openapi: 3.1.0
info:
  title: LightOn API
  version: 3.15.0 (v3)
  description: >-
    LightOn gives you an API to search, parse, and ingest documents at scale.
    Build knowledge-retrieval pipelines without managing vector databases or OCR
    models.
servers:
  - url: https://paradigm.lighton.ai
security: []
tags:
  - name: Agents
    description: Operations about agents
  - name: Threads
    description: Operations about agents conversation threads
  - name: Tools
    description: Operations about native tools
  - name: Models
    description: Operations about AI models
  - name: MCP
    description: Operations about MCP servers
  - name: Sources
    description: Operations about sources used by agents conversation threads
  - name: Artifacts
    description: Operations about artifacts generated by agents conversation threads
  - name: Agent
    description: >-
      Operations about agents (deprecated). Please use the 'Agents' API
      component instead.
  - name: Files
    description: Operations about files
  - name: Facets
    description: Operations about facets
  - name: Tags
    description: Operations about tags
  - name: Workspaces
    description: Operations about workspaces
  - name: Files Processing
    description: Operations about files processing
  - name: Users
    description: Operations about users
  - name: API Keys
    description: Operations about API keys
  - name: User Groups
    description: Operations about user groups
  - name: SCIM
    description: Operations about SCIM
paths:
  /api/v3/mcp/{id}/tools:
    get:
      tags:
        - MCP
      summary: List tools for an MCP server
      description: >-
        Returns the tools registered for a specific MCP server. Returns 403 if
        the server does not exist or is not accessible.
      operationId: api_v3_mcp_tools_list
      parameters:
        - in: path
          name: id
          schema:
            type: string
          description: UUID of the MCP server
          required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ToolResponse'
          description: ''
        '401':
          description: Unauthorized
        '403':
          description: MCP server not found or insufficient permissions
        '503':
          description: >-
            API is under maintenance. Check `GET /api/v3/system/status` for
            active periods and retry.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServiceMaintenance503'
      security:
        - bearerAuth: []
components:
  schemas:
    ToolResponse:
      type: object
      properties:
        id:
          type: string
        object:
          type: string
          default: tool
        name:
          type: string
        type:
          $ref: '#/components/schemas/ToolTypeEnum'
        mcp_server_name:
          type:
            - string
            - 'null'
        require_document:
          type:
            - boolean
            - 'null'
        accepted_file_types:
          type:
            - array
            - 'null'
          items:
            type: string
      required:
        - id
        - name
        - type
    ServiceMaintenance503:
      type: object
      description: >-
        Returned by the maintenance middleware when the requested endpoint is
        blocked.
      required:
        - detail
        - error
        - mode
      properties:
        detail:
          type: string
          example: System is under maintenance.
        error:
          type: string
          example: service_maintenance
        mode:
          type: string
          enum:
            - full_shutdown
            - warning_banner
          description: >-
            `full_shutdown` blocks all traffic; `warning_banner` also blocks and
            shows a dismissible toast.
        reason:
          type: string
          description: Operator-supplied maintenance reason, if any.
        started_at:
          type: string
          format: date-time
        endpoint_category_names:
          type: array
          items:
            type: string
          description: >-
            Non-empty only for category-scoped periods. Empty means all
            endpoints are affected.
    ToolTypeEnum:
      enum:
        - native
        - mcp
      type: string
      description: |-
        * `native` - native
        * `mcp` - mcp
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: >-
        Bearer authentication header of the form `Bearer <token>`, where
        `<token>` is your auth token.

````

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