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

# List available tools

> Returns all tools available for the user across all connected MCP servers



## OpenAPI

````yaml https://gist.githubusercontent.com/hillaryke/db4387d90d8a2367c8d3f478f2d48acc/raw/65b07bde29d5ff9b22522b3659db0b103c2d32e4/openapi.json get /users/{userId}/tools
openapi: 3.0.0
info:
  title: MCP Hub API
  version: 1.0.0
  description: >-
    A service that manages isolated Model Context Protocol (MCP) server
    instances
servers:
  - url: http://localhost:3000
    description: Development server
security: []
tags: []
paths:
  /users/{userId}/tools:
    get:
      tags:
        - Tools
      summary: List available tools
      description: >-
        Returns all tools available for the user across all connected MCP
        servers
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: List of available tools
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: array
                  items:
                    $ref: '#/components/schemas/MCPTool'
        '500':
          $ref: '#/components/responses/Error'
components:
  schemas:
    MCPTool:
      type: object
      properties:
        name:
          type: string
        description:
          type: string
        inputSchema:
          type: object
          properties:
            type:
              type: string
              enum:
                - object
            properties:
              type: object
            required:
              type: array
              items:
                type: string
  responses:
    Error:
      description: Error response
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string

````