API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Openfda OpenFDA MCP — wraps the openFDA API (free, no auth required) | — | — | — |
| openfda-mcp-server A FastMCP server to expose drug safety analysis via OpenFDA API | Python | — | — |
| OpenFDA Safety Data Search FDA safety data: drug adverse events, recalls, and device events. | — | — | — |
| @opengolfapi/mcp-server Open MCP server for AI agents to query the OpenGolfAPI dataset (14,708 US golf courses, ODbL) | TypeScript | — | — |
| OpenGraph.io MCP Server MCP server for OpenGraph.io API - fetch OG data, screenshots, scrape, and generate images | TypeScript | — | — |
| opengrok-mcp-server MCP server bridging OpenGrok search engine with AI for instant context across massive codebases | TypeScript | — | — |
| openmcp Turn any openapi file into an mcp server, with just the tools you need. | TypeScript | 306 | — |
| open-notebook-mcp MCP server for an Open Source implementation of Notebook LM: Open Notebook | Python | 28 | — |
| openproject-mcp-server A Model Context Protocol (MCP) server that provides seamless integration with OpenProject API v3. | Python | 51 | — |
| OpenPulsechain Analytics PulseChain analytics: 28 tools — safety scores, signals, whale alerts, pair analytics, AML. | TypeScript | — | — |
| openregister-mcp The official MCP Server for the Openregister API | TypeScript | — | — |
| OpenRouter MCP server providing access to 300+ AI models via OpenRouter | Python | — | — |
| OpenSCAD Render STL and PNG from OpenSCAD code. | TypeScript | — | — |
| OpenSTAAD MCP Server MCP server for Bentley STAAD.Pro via the OpenSTAAD API | — | — | — |
| opentabs Browser automation clicks buttons. OpenTabs calls APIs. | TypeScript | 479 | — |
| opentargets-mcp MCP server for Open Targets data | Python | 16 | — |
| OpenUI MCP Studio Local stdio MCP for UI briefs to React + shadcn with review, proof, and ship. | — | — | — |
| OpenVibeCoding Read-only MCP Read-only MCP for OpenVibeCoding runs, workflows, proof, queue, replay, and incident reads. | Python | — | — |
| openweathermap-mcp-server A lightweight MCP server using Bun to fetch current and 5-day weather data from OpenWeatherMap APIs. Built with @modelcontextprotocol/sdk, Zod for validation, and Axios for API calls. Provides tools to get weather info by latitude and longitude over stdio transport. | TypeScript | 0 | — |
| OpenZiti Network Management Manage OpenZiti zero-trust networks — through natural language | — | — | — |
| opmanager-mcp-server Model Context Protocol (MCP) server for ManageEngine OpManager API integration | Python | — | — |
| opnsense-mcp-server Modular MCP server for OPNsense firewall management - 88 tools providing access to 2000+ methods through AI assistants | JavaScript | 39 | — |
| Opportunity MCP Search youth opportunities (scholarships, fellowships, internships) from any AI assistant. | Python | — | — |
| Optical Context MCP Compress OCR-heavy PDFs into dense packed images so agents can work with long visual documents. | Python | — | — |
| optillm Optimizing inference proxy for LLMs | Python | 3.5k | — |