API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| open-wearables Self-hosted platform to unify wearable health data through one AI-ready API. | Python | 2.6k | - |
| Openweather OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org) | — | - | - |
| 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 | TypeScript | - | - |
| Operação de Transporte ANTT Look up a road freight transport operation registered with Brazil's ANTT by RNTRC and RENAVAM, confi | — | - | - |
| operant-mcp Read-only MCP server for the OPERANT AI operating-agent calibration benchmark. | TypeScript | - | - |
| Operations Activity Ledger Append an operations activity entry | — | - | - |
| Operations Digest Composer Assemble a scheduled operations digest | — | - | - |
| Operations Schedule Builder Build an operations task schedule | — | - | - |
| Operations Schedule Console Schedule an operations task | — | - | - |
| 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 | 88 | - |
| Opportunity MCP Search youth opportunities (scholarships, fellowships, internships) from any AI assistant. | Python | - | - |
| OpsConduit Jobber MCP Customer-hosted read-only MCP server for Jobber ops reports, OAuth setup, and GraphQL validation. | TypeScript | - | - |
| OpsDoctor AI-powered CRM diagnostics, workflow audits, and industry benchmarks for SMBs. | TypeScript | - | - |
| Optical Context MCP Compress OCR-heavy PDFs into dense packed images so agents can work with long visual documents. | Python | 1 | - |
| optillm Optimizing inference proxy for LLMs | Python | 4.3k | - |
| OptimToken Compare LLM API pricing, estimate workload costs, and benchmark cloud compute. By OptimNow. | — | - | - |
| options-analytics Real-time options analytics MCP server. 23 tools covering gamma/delta/vanna/charm exposure (GEX/DEX/VEX/CHEX), dealer positioning, 0DTE analytics, volatility surfaces, SVI parametrization, arbitrage detection, variance swaps, VRP dashboard, Black-Scholes greeks, IV solver, Kelly criterion sizing, option quotes, historical tick data, and key options levels for US equities. Streamable HTTP transport, API key auth. | — | - | - |
| Options Data MCP Options market structure data: gamma exposure, VRP, IV term structure, regime, and strikes | TypeScript | - | - |
| optuna-mcp The Optuna MCP Server is a Model Context Protocol (MCP) server to interact with Optuna APIs. | Python | 78 | - |
| OpusClip Turn long videos into AI-curated short clips: caption, reframe, thumbnail, schedule, and publish. | TypeScript | - | - |
| Oraclarr Read-only diagnostic MCP server for a self-hosted arr stack (Sonarr, Radarr, Prowlarr & more). | Python | - | - |
| Oraclebone Audited tarot, I Ching, Xiao Liu Ren, Bazi (Four Pillars). Model never invents results. | Python | - | - |