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Best API AI Skills & MCP Servers

676 curated API skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Ccman

MCP Registry

Manage Codex, Claude Code, Gemini CLI, OpenCode, OpenClaw, and MCP API service provider configurations

MCP Registry · ★ 5.0free

European Parliament

MCP Registry

Model Context Protocol server for European Parliament open data

MCP Registry · ★ 5.0free

Google Drive

MCP Registry

Advanced MCP server for Google Drive integration with full CRUD operations, file management, and sharing capabilities. Supports both OAuth2 and Service Account authentication.

MCP Registry · ★ 5.0free

Gogcli Contacts

MCP Registry

Extended Google Contacts + People MCP server via gogcli — auth + Contacts + Workspace directory (People API)

MCP Registry · ★ 5.0free

Clinicaltrialsgov

MCP Registry

MCP server for the ClinicalTrials.gov v2 API. Search trials, retrieve study details and results, and match patients to eligible trials.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for SwarmApi: 9 pay-per-call tools for SEC filings, company news, insider transactions, jobs, web search, GitHub repos, and npm/PyPI/cargo package security. Payments settled per request in USDC on Base via x402.

MCP Registry · ★ 5.0free

Unifi Protect

MCP Registry

MCP server for UniFi Protect Integration API

MCP Registry · ★ 5.0free

Local

MCP Registry

MCP server for Glean API integration

MCP Registry · ★ 5.0free

Tweetclaw

MCP Registry

Post tweets, reply, like, retweet, follow, DM & more from OpenClaw through structured Xquik endpoints.

MCP Registry · ★ 5.0free

Server Madeonsol

MCP Registry

MCP server for MadeOnSol Solana KOL intelligence API — use from Claude, Cursor, or any MCP client

MCP Registry · ★ 5.0free

Keryx

MCP Registry

The fullstack TypeScript framework for MCP and APIs — write one action, serve HTTP, WebSocket, CLI, background tasks, and MCP tools.

MCP Registry · ★ 5.0free

Airtable User

MCP Registry

Community MCP server for Airtable. Schema inspection, table / field / view CRUD (including merge-safe filter / sort / group updates), formula validation, and extension management. Not affiliated with Airtable Inc.

MCP Registry · ★ 5.0free

Pagespeed Insights

MCP Registry

MCP server for Google PageSpeed Insights & Chrome UX Report APIs — 16 tools to analyze, compare, and optimize web performance with Claude, Cursor, or any MCP-compatible AI client

MCP Registry · ★ 5.0free

Earthquakes

MCP Registry

MCP server for earthquake data via USGS Earthquake API — no API key required

MCP Registry · ★ 5.0free

Cdc Health

MCP Registry

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

MCP Registry · ★ 5.0free

Chia Explorer

MCP Registry

MCP server that answers questions about the Chia blockchain via the public coinset.org API

MCP Registry · ★ 5.0free

Caddy

MCP Registry

MCP server for managing Caddy web servers via the admin API

MCP Registry · ★ 5.0free

Openalex Research

MCP Registry

MCP server for OpenAlex API - enabling literature review and research landscaping

MCP Registry · ★ 5.0free

Angel One

MCP Registry

MCP server for Angel One SmartAPI — trade stocks, track portfolio, analyze markets & manage orders via LLM clients like Claude, Cursor & Copilot

MCP Registry · ★ 5.0free

0Nmcp

MCP Registry

Universal AI API Orchestrator — 1,598 tools across 106 services. UCP (Universal Commerce Protocol), the .0n App Marketplace, AI Course Builder, Lead Magnet Loop, Automation Builder, SaaS Factory, App Builder, Website Builder, and the Agentic Automation Ge

MCP Registry · ★ 5.0free

Hn

MCP Registry

MCP server for Hacker News — feeds, threads, users, and search via Firebase and Algolia APIs

MCP Registry · ★ 5.0free

Apisix

MCP Registry

[![smithery badge](https://smithery.ai/badge/@api7/apisix-mcp)](https://smithery.ai/server/@api7/apisix-mcp)

MCP Registry · ★ 5.0free

Deepseek

MCP Registry

MCP Server for DeepSeek API integration - enables Claude Code to use DeepSeek Chat and Reasoner models

MCP Registry · ★ 5.0free

Tinyfish

MCP Registry

基于 TinyFish 免费搜索 API 的 MCP(Model Context Protocol)服务,提供网络搜索与网页内容抓取能力。支持 Stdio 和 HTTP 两种传输方式接入 Claude Desktop、Cursor、Windsurf 等 AI 客户端。

MCP Registry · ★ 5.0free

About API skills on iClaude

iClaude is the universal install layer for AI skills. Every API skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.