OpenAPITools SDK MCP Server

What is OpenAPITools SDK?

OpenAPITools SDK is a JavaScript package that enables developers to manage and execute tools across multiple AI API providers, including Anthropic’s Claude, OpenAI’s GPT models, and LangChain frameworks. It provides a unified interface for creating, accessing, and integrating tools as Python or Bash scripts.

How to use OpenAPITools SDK?

Install the package via npm: npm install @reacter/openapitools. Then use an adapter (e.g., AnthropicAdapter) in local mode or a ToolsAdapter with an API key in API mode. Tools are executed as subprocesses (Bash) or spawned threads (Python).

Key features of OpenAPITools SDK

• Unified interface for Claude, GPT, and LangChain integration
• Create tools as Python or Bash scripts with standardized I/O
• Local execution for full privacy and no external code transfer
• Supports both local mode (preferred) and API mode
• Bash tools are fast in Node.js; Python tools for complex packages
• Environment variables can be securely passed to tools

Use cases of OpenAPITools SDK

• Build interactive chatbots that use tools to solve complex tasks
• Run Python-based tools requiring packages like NumPy or Pandas
• Execute lightweight Bash tools for fast, scripted operations in Node.js
• Integrate custom tools with Claude, GPT, or LangChain AI assistants
• Manage and reuse tool definitions across different AI providers