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.
Faxdrop
Send real faxes from any MCP-enabled AI assistant. Wraps the FaxDrop API (PDF/DOCX/JPG/PNG, international numbers, status polling) with rate limits, dry-run mode, and audit logging.
Tomtom
MCP server integrating TomTom APIs
Ckan
MCP server for interacting with CKAN open data portals
Server
MCP server exposing ConfigCat Public Management API (products, configs, environments, values v1/v2).
Sdk
Framework-agnostic SDK for Routstr API interactions
Deterministic
A deterministic compiler and linter for system architecture. Validate your architecture before you write code. OSS: structural validation + basic architecture lint (rule-based); FastAPI/Express export; OpenAPI document-shape; golden Docker/Makefile — no L
Whoop Unofficial
Unofficial MCP server for connecting AI agents to the WHOOP API.
Linear
A Model Context Protocol (MCP) server implementation for the Linear GraphQL API that enables AI assistants to interact with Linear project management systems.
Railway
Model Context Protocol server for Railway.app - Enables AI agents to manage Railway infrastructure through natural language
Docs To
Convert any documentation URL into a ready-to-run MCP server — 100% local, no API keys needed
Server
PAPI MCP server — AI-powered sprint planning, build execution, and strategy review for software projects
Strava
MCP server for Strava API
Resend
Complete MCP server for Resend API with all endpoints - send emails, manage domains, contacts, broadcasts, and more
Caw Server
CAW server - REST API, MCP server and core features
Interactive Brokers
MCP server for Interactive Brokers API integration
Krs Poland
The MCP server for KRS Poland public API.
Server Ticktick
MCP Server for TickTick todo-list application
Gemdesign
MCP Server for GemDesign API
Bunq
MCP server for the bunq banking API
Storage
Model Context Protocol (MCP) Server for interacting with GCS APIs
Api Tools
MCP server for interacting with APIs and web services
Jira
MCP server for JIRA REST API integration
Virustotal
MCP server for VirusTotal API integration
Server
MCP server for BuiltWith API integration
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.