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

# List Tool Categories

> List all tool categories



## OpenAPI

````yaml /api-reference/openapi/EvoAI-Processor-Service/tools.yaml get /api/v1/tools/categories/list
openapi: 3.1.0
info:
  title: Evolution Foundation - AI Processor Service - Tools
  description: AI processing, integrations and sessions
  version: 1.0.0
servers:
  - url: https://api.evoai.app
    description: Production server
  - url: http://localhost:3004
    description: Development server
    variables:
      port:
        default: '3004'
  - url: '{customUrl}'
    description: Custom server
    variables:
      customUrl:
        default: https://your-instance.com
        description: Enter your server URL
security: []
paths:
  /api/v1/tools/categories/list:
    get:
      summary: List Tool Categories
      description: List all tool categories
      operationId: list_tool_categories_api_v1_tools_categories_list_get
      responses:
        '200':
          description: Tool categories retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SuccessResponse_List_ToolCategory__'
        '400':
          description: Bad Request (invalid data)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: BAD_REQUEST
                  message: Invalid request parameters
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /api/v1/tools/categories/list
                  method: GET
        '401':
          description: Unauthorized (invalid or missing token)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: UNAUTHORIZED
                  message: Invalid or missing authentication token
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /api/v1/tools/categories/list
                  method: GET
        '403':
          description: Forbidden (insufficient permissions)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: FORBIDDEN
                  message: Insufficient permissions to perform this action
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /api/v1/tools/categories/list
                  method: GET
        '404':
          description: Not Found (resource not found)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: NOT_FOUND
                  message: Resource not found
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /api/v1/tools/categories/list
                  method: GET
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
        '500':
          description: Internal Server Error (server error)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: INTERNAL_SERVER_ERROR
                  message: An unexpected error occurred
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /api/v1/tools/categories/list
                  method: GET
      security:
        - ApiAccessToken: []
components:
  schemas:
    SuccessResponse_List_ToolCategory__:
      properties:
        success:
          type: boolean
          title: Success
          description: Success indicator
          default: true
        data:
          items: 2316c937-38ce-4443-ae9b-329beff49842
          type: array
          title: Data
          description: Response payload
        meta:
          $ref: 30f4e623-0fe9-480c-878f-91e0d4ddc1b5
          description: Metadata
        message:
          anyOf:
            - type: string
            - type: 'null'
          title: Message
          description: Optional success message
      type: object
      required:
        - data
        - meta
      title: SuccessResponse[List[ToolCategory]]
    ErrorResponse:
      properties:
        success:
          type: boolean
          title: Success
          description: Success indicator
          default: false
        error: be43ee6f-6a90-4488-961c-e6e92f58a4ca
        meta:
          $ref: 0fdc1f81-5779-4e57-81c7-b4b0c6aecd0d
          description: Metadata
      type: object
      required:
        - error
        - meta
      title: ErrorResponse
      description: |-
        Standard error response schema matching error_response() return format.

        This schema matches the structure returned by error_response() function,
        which always uses ErrorInfo for the error field.
    HTTPValidationError:
      properties:
        detail:
          items: cfa0dfb7-39c6-4ecb-946f-0e6efac70e92
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
  securitySchemes:
    ApiAccessToken:
      type: apiKey
      in: header
      name: api_access_token
      description: API Access Token (UUID) for authentication

````

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