Agent Toolbox Tools API

The Tools API from Agent Toolbox — 4 operation(s) for tools.

Operations 4

GET /api/tools List tools #
POST /api/tools/estimate_tokens Estimate tokens and USD cost of a text across current frontier models (list… #
POST /api/tools/convert_schema Convert a JSON Schema into OpenAI, Anthropic and MCP tool definitions #
POST /api/tools/mcp_config Generate an mcpServers config block #

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Every API here is available over the APIs.io API and to AI agents over MCP.

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OpenAPI Specification

agenttoolbox-net-tools-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Agent Toolbox Tools API
  version: 1.0.0
  description: 'Free tools for AI agent builders. MCP endpoint: /api/mcp. Free tier: 60 requests/hour per IP. Pro ($19/mo or $190/yr, see /pricing): send x-api-key header.'
servers:
- url: https://agenttoolbox.net
security:
- {}
- proKey: []
tags:
- name: Tools
paths:
  /api/tools:
    get:
      summary: List tools
      responses:
        '200':
          description: OK
      tags:
      - Tools
      operationId: getApiTools
      x-operation-id-source: derived
  /api/tools/estimate_tokens:
    post:
      operationId: estimate_tokens
      summary: Estimate tokens and USD cost of a text across current frontier models (list…
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                text:
                  type: string
                output_tokens:
                  type: number
              required:
              - text
      responses:
        '200':
          description: OK
      tags:
      - Tools
  /api/tools/convert_schema:
    post:
      operationId: convert_schema
      summary: Convert a JSON Schema into OpenAI, Anthropic and MCP tool definitions
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                description:
                  type: string
                schema:
                  type: object
              required:
              - name
              - schema
      responses:
        '200':
          description: OK
      tags:
      - Tools
  /api/tools/mcp_config:
    post:
      operationId: mcp_config
      summary: Generate an mcpServers config block
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
      responses:
        '200':
          description: OK
      tags:
      - Tools
components:
  securitySchemes:
    proKey:
      type: apiKey
      in: header
      name: x-api-key
      description: Optional Pro API key for higher limits