Best Unofficial AI Skills & MCP Servers
17 curated Unofficial skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Ploomes
Unofficial MCP server for Ploomes CRM — connects AI agents to the Ploomes REST API
Substack Plus
Unofficial Substack MCP server. Born from frustration, built with AI. 12 tools, browser auth, rich text support. Not affiliated with Substack Inc.
Server
MCP server for Maytapi WhatsApp Unofficial API
Polar Unofficial
Unofficial local-first Polar AccessLink Dynamic API v4 MCP server for AI health, sleep and training agents.
Google Health Unofficial
Unofficial local-first Google Health API v4 MCP server for AI health, sleep and activity agents.
Local Ydb
Unofficial stdio MCP server for operating local-ydb deployments.
Garmin Unofficial
Unofficial local-first Garmin MCP server for AI health, sleep and activity agents.
Strava Unofficial
Unofficial local-first Strava MCP server for AI training and performance agents.
Withings Unofficial
Unofficial local-first Withings MCP server for AI health, sleep and activity agents.
Tradingview
Unofficial MCP server and CLI for TradingView stock screener API
Substack
Read and publish to Substack via MCP — single Rust binary, no Node.js runtime.
Fitbit Unofficial
Unofficial local-first Fitbit MCP server for AI health, sleep and activity agents.
Apple Health Unofficial
Unofficial local-first MCP server for Apple Health export data.
Oura Unofficial
Unofficial local-first Oura MCP server for AI health, sleep and activity agents.
Whoop Unofficial
Unofficial MCP server for connecting AI agents to the WHOOP API.
Yfinance
unofficial Yahoo Finance API MCP Server - A Model Context Protocol server implementation for Yahoo Finance API
Yfinance
unofficial Yahoo Finance API MCP Server - A Model Context Protocol server implementation for Yahoo Finance API
About Unofficial skills on iClaude
iClaude is the universal install layer for AI skills. Every Unofficial 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.