API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| On-Call Paging On-call paging via 100+ notification channels using Apprise — WhatsApp, ntfy, Pushover, and more. | — | 0 | - |
| OnceAsk MCP server for OnceAsk, the AI-native current-address layer for people and agents. | — | - | - |
| Onchain Agent Wallets Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402. | TypeScript | - | - |
| OnchainAI Crypto tool MCP: search/trust/install-risk. Remote tools/call is x402 paid. | — | - | - |
| Onchain Data MCP Blockchain data for EVM and Solana: balances, tokens, prices, DeFi and RPC via free-tier vendors | — | - | - |
| oncrawl-mcp-server MCP server that exposes OnCrawl's API for use with Claude Code and Claude Desktop | Python | - | - |
| Onde Inference CLI Manage your Onde Inference account and models: apps, model catalog, fine-tuned GGUF deploys. | TypeScript | - | - |
| On-Demand-Books Find personalized puzzle books by first name from a 100,000+ title Shopify catalog. | — | - | - |
| One Search, document and execute authenticated API calls across 700+ apps via one MCP server | TypeScript | - | - |
| OneAIMemory Cross-device AI memory with encrypted activity capture and context handoff between AI tools | — | - | - |
| @onebullex-group/mcp OneBullEx Open API V2 MCP Server | TypeScript | - | - |
| Onedrive OneDrive (Microsoft Graph) MCP Pack | — | - | - |
| onedrive-cli Command line interface and MCP for OneDrive | JavaScript | 174 | - |
| Oneinfo Storage Italian regulated disclosures direct from 1INFO — keyless, same-day-fresh. | — | - | - |
| OneNote Graph API Integrates with Microsoft OneNote through the Graph API to read and create notebooks, sections, and pages with automatic Azure AD authentication and token caching. | — | 1 | - |
| onenote-mcp-server Complete OneNote MCP Server for Claude Desktop - Access your entire OneNote knowledge base through AI with robust authentication and full API support | Python | 52 | - |
| One Person Company OS Build and update a visual operating cockpit for AI-native solo founders. | — | - | - |
| OneQAZ Trading Intelligence Live market data, signals, positions, and macro analysis for crypto, KR stocks, and US stocks. | Python | - | - |
| OneSchema MCP Server MCP server that lets AI assistants use all OneSchema features exposed via the public API. | — | - | - |
| Onet O*NET MCP — wraps the O*NET Web Services (US DOL) occupation taxonomy | — | - | - |
| OneTool MCP One MCP for devs incl Brave,Google,Tavily,Context7,AWS,Excalidraw,DB,GitHub,DevTools,Playwright | Python | 23 | - |
| onikora FIX Parser Remote MCP server for parsing FIX messages into UFO, FFE, and sequence outputs. | — | 0 | - |
| OnlineAfspraken Slots Read available slots from a public OnlineAfspraken widget URL without an account. | Python | - | - |
| online.claudenews/claude-news Real-time Claude & Anthropic news from your own Claude — free, no API key. | — | - | - |
| @onori/yfinance-mcp-server unofficial Yahoo Finance API MCP Server - A Model Context Protocol server implementation for Yahoo Finance API | TypeScript | - | - |