API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| openclaw-x402 Drop-in x402 payment middleware for Flask APIs. Machine-to-machine payments on Base chain. | Python | 64 | — |
| OpenClaw量化交易工具集 量化交易MCP工具集，27个工具覆盖策略指标、回测引擎、风控分析和数据管线 | — | — | — |
| opencode-cli-mcp MCP server that wraps opencode CLI's HTTP API (opencode serve) into MCP tools, plus a webapp dashboard. | TypeScript | 0 | — |
| Opencollective Open Collective public collective/transaction data | — | — | — |
| open-computer-use Give any LLM its own computer — Docker sandboxes with bash, browser, docs, and sub-agents | Python | 91 | — |
| opendart-mcp-server OpenDART API MCP Server - 85 Korean disclosure and financial data tools via Model Context Protocol | TypeScript | 1 | — |
| Opendata Canada open.canada.ca — Canada national open-data catalogue (CKAN) | — | — | — |
| @opendata.cat/mcp-server MCP server for querying Catalan public open data — 2,850+ datasets from 14 portals | TypeScript | — | — |
| Opendatasoft Generic Opendatasoft portal client (3000+ public OpenDataSoft instances) | — | — | — |
| Opendata Swiss opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue). | — | — | — |
| OpenDia Provides OpenDia diagram creation capabilities through a lightweight web server with WebSocket support and HTTP API endpoints for real-time collaborative diagram generation and editing. | TypeScript | 1.8k | — |
| OpenDota Integrates with the OpenDota API to provide real-time Dota 2 statistics, match data, and player information for game analysis, performance tracking, and esports research. | — | 8 | — |
| Open Elevation Open-Elevation MCP — terrain elevation by lat/lon (no auth) | — | — | — |
| OpenEye AR/XR procedure verification with memory, visual sessions, and DPO trajectory export. | TypeScript | 2 | — |
| openf1-mcp-server A Model Context Protocol server for querying Formula 1 data through the OpenF1 API | Python | — | — |
| 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. | — | — | — |
| OpenFIGI OpenFIGI — Bloomberg open financial-instrument symbology service | — | 0 | — |
| @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 | — | — |
| Open Library Open Library MCP — Internet Archive's open book metadata | TypeScript | 72 | — |
| openmcp Turn any openapi file into an mcp server, with just the tools you need. | TypeScript | 306 | — |
| Open Meteo Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs | — | — | — |