API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| OpenOSINT AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more. | Python | — | — |
| Openparliament Ca OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada | — | — | — |
| openproject-mcp-server A Model Context Protocol (MCP) server that provides seamless integration with OpenProject API v3. | Python | 61 | — |
| 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 | — | — |
| Openreview OpenReview MCP — ML conference submissions and reviews (API v2) | — | — | — |
| OpenRouter OpenRouter Models MCP. | Python | — | — |
| Openrouteservice Routing, isochrones, matrix, snap, elevation, geocode via Openrouteservice. | — | — | — |
| OpenSCAD Render STL and PNG from OpenSCAD code. | TypeScript | — | — |
| Opensea OpenSea MCP — NFT marketplace data (v2 API) | — | — | — |
| @opensourceops/canny-mcp MCP server for Canny feedback management with Jira integration | TypeScript | — | — |
| OpenSTAAD MCP Server MCP server for Bentley STAAD.Pro via the OpenSTAAD API | — | — | — |
| Openstates OpenStates MCP — bills, legislators, votes in all 50 US states | — | — | — |
| opentabs Browser automation clicks buttons. OpenTabs calls APIs. | TypeScript | 659 | — |
| Opentargets Open Targets disease/target/drug knowledge graph (GraphQL) | — | — | — |
| opentargets-mcp MCP server for Open Targets data | Python | 18 | — |
| Opentopodata Open Topo Data — global elevation lookups (multiple DEM datasets) | — | — | — |
| Opentopography OpenTopography global DEM rasters + point queries (free key) | — | — | — |
| OpenUI MCP Studio Local stdio MCP for UI briefs to React + shadcn with review, proof, and ship. | — | — | — |
| openvan-travel OpenVan MCP Server exposes OpenVan.camp public APIs over the Model Context Protocol: fuel prices across 125+ countries, VanSky weather suitability scores (0–100), VanBasket food price index, currency exchange rates, vanlife events (expos, festivals, meetups) and aggregated news stories in 7 languages. 11 read-only tools, no authentication, 120 req/min rate limit, CC BY 4.0 license. Remote Streamable HTTP at mcp.openvan.camp/mcp; local via npx -y @openvan/mcp-server. | — | — | — |
| Openverse Openverse Creative-Commons image + audio search | — | — | — |
| 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 | — |
| OpenWebSearch Web search using free multi-engine search (NO API KEYS REQUIRED) — Supports Bing, Baidu, DuckDuckGo, Brave, Exa, Github, Juejin, and CSDN. | — | — | — |
| OpenZiti Network Management Manage OpenZiti zero-trust networks — through natural language | — | — | — |