Best API AI Skills & MCP Servers
663 curated API skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Apivalidator
APIValidator Model Context Protocol (MCP) server for local validation, OpenAPI security auditing, and premium global telephone/IBAN verification.
Server Wheel Size
Wheel-Size.com API MCP server — vehicle wheel, tyre and fitment data lookup
Xenarch
CLI for Xenarch — non-custodial x402 MCP server for AI agents. Claude, Cursor, LangChain and CrewAI pay HTTP 402–gated APIs with USDC on Base L2.
Companylens
MCP server for CompanyLens — corporate intelligence API for AI agents. Search companies, get profiles, screen sanctions, and check government contracts.
Adobe Launch
MCP server for Adobe Launch (Tags) and Adobe Experience Platform APIs — 69 tools for complete tag management, schema configuration, and data collection via Web SDK and Mobile SDK
Products Payment Refacil
MCP Server para la API products-payment-refacil
Github
GitHub MCP Server with OAuth support for Issue management
Hackmd
A Model Context Protocol server for integrating HackMD's note-taking platform with AI assistants.
Bloxscout
Reconnaissance for Roblox game devs and their agents — open-source MCP server + CLI for Roblox game analytics.
Guniweb Sap
GuniWeb SAP S/4HANA & ECC MCP Server -- OData V2/V4, IDoc, and RFC/BAPI for n8n
Fetch
Comprehensive HTTP fetch MCP server: SSRF protection, HTML-to-markdown, reader-mode, metadata / link / sitemap / RSS-Atom extraction, robots.txt verdicts
Elastic Apm
MCP server for monitoring Elastic APM via Kibana API
Cursor Cloud Agent
Model Context Protocol server for Cursor Cloud Agents API - programmatically create, manage, and interact with AI-powered coding agents through MCP stdio transport. Integrate automated code generation, repository management, and agent workflows into your
Create Webclaw
Set up webclaw MCP server for AI agents (Claude, Cursor, Windsurf, OpenCode, Codex, Antigravity)
Crossref
MCP server for searching academic papers, journals, and citations via the Crossref API
Vercel
A Model Context Protocol (MCP) server for Vercel API - Manage deployments, domains, projects, and more
Mcp
MCP server for the Gatefare paid-API marketplace. Works with Claude Desktop, Cursor, Continue, and any MCP client. Pay per API call in USDC on Base via the open x402 standard. Non-custodial.
Sicarius Guard
Solana Token Safety API & MCP Server — rug pull, honeypot, and safety analysis for AI agents
App Store Connect
STOMP — MCP server for the Apple App Store Connect API. 162 tools for managing iOS/macOS apps, TestFlight, builds, in-app purchases, subscriptions, certificates, App Store submissions, analytics, Game Center, Xcode Cloud, and more.
Server
ThryxProtocol v3.1.1 MCP Server — gasless AI agent launchpad + trading platform on Base. 21 tools wrapping the thryx.fun HTTP API. Server-managed wallets, paymaster gas, free LLM-driven autotrader. No private keys, no signing, no API bills. Auto-registers
Epoch
Time Estimation MCP Server — 24 structured tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, schedule risk, and model comparison. Self-improving engine with estimation feedback loop. MCP + CLI + REST API.
Help Scout
Search Help Scout conversations, customers, organizations, threads, and inboxes with AI assistants
Willi Mako Client
Official TypeScript client & CLI for the Willi-Mako API v2 – OpenAI-compatible chat completions, streaming chat, EDIFACT analysis, market communication & ETL automation for German energy sector
Server
MCP web extraction for Claude, Cursor, and agents: no-key demo plus live URL-to-JSON extraction with Haunt API
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.