API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Open-Meteo Weather Current weather and hourly forecasts for any place name, via the free Open-Meteo API. No API key. | Python | - | - |
| @openmrp/sdk-mcp The official MCP Server for the Openmrp API | TypeScript | - | - |
| open-notebook-mcp MCP server for an Open Source implementation of Notebook LM: Open Notebook | Python | 45 | - |
| Open Notify Open Notify MCP — ISS position + people in space | — | - | - |
| OpenOCD Debugger Debug microcontrollers via OpenOCD: flash, breakpoints, memory, registers and variables. | Python | - | - |
| OpenOSINT AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more. | Python | 1.7k | - |
| Openparliament Ca OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada | — | - | - |
| OpenPitch Open, sourced, confidence-scored intelligence on AI startups - a free PitchBook alternative. | Python | - | - |
| openproject-mcp-server A Model Context Protocol (MCP) server that provides seamless integration with OpenProject API v3. | Python | 86 | - |
| OpenPulsechain Analytics PulseChain analytics: 28 tools — safety scores, signals, whale alerts, pair analytics, AML. | TypeScript | - | - |
| OpenQFR Search machine-readable quantitative strategy failure evidence before repeating failed research. | — | - | - |
| OpenReflex Optional diagnostics MCP server for OpenReflex's ambient project muscle memory. | Python | - | - |
| openregister-mcp The official MCP Server for the Openregister API | TypeScript | - | - |
| OpenResearch MCP Zero-auth research MCP: web, academic, finance, news, weather, macro, social, SEC. No keys. | Python | - | - |
| OpenRevenue OpenRevenue analytics MCP: projects, stats, visitors, funnels, and goals via API key or OAuth. | — | - | - |
| Openreview OpenReview MCP — ML conference submissions and reviews (API v2) | — | - | - |
| openroad-mcp OpenROAD MCP server (TypeScript/npx) | TypeScript | - | - |
| OpenRouter OpenRouter Models MCP. | Python | - | - |
| Openrouteservice Routing, isochrones, matrix, snap, elevation, geocode via Openrouteservice. | — | - | - |
| OpenRush The Marketing Data Layer for AI Agents - SEO, Search Console, and Analytics | — | - | - |
| Open Sanctions OpenSanctions MCP — Global sanctions and PEP data (free, no auth required) | — | - | - |
| OpenSCAD Render STL and PNG from OpenSCAD code. | TypeScript | - | - |
| OpenScout Coordinate local coding agents and track handoffs. For high-trust developer pilots. | TypeScript | - | - |
| Opensea OpenSea MCP — NFT marketplace data (v2 API) | — | - | - |
| Opensensemap openSenseMap MCP — citizen-science environmental sensor network (opensensemap.org) | — | - | - |