Best Protocol AI Skills & MCP Servers

ACE MCP - Model Context Protocol server for ACE pattern learning

Claude can sign, but never see. MCP server + CLI that keeps private keys out of the LLM's context window.

Self-hosted AI agent platform — autonomous, multi-channel, multi-model.

MCP server for AI agents to browse and book humans on rentahuman.ai

MCP server that lets AI agents run MySQL/MariaDB and SQLite queries with policy-gated action sets (allow/confirm/deny per category), macOS Keychain credential storage for MySQL/MariaDB, and optional Sequel Ace import.

MCP server giving coding agents full control of homebrew ROM development AND reverse-engineering/romhacking across 14 retro platforms (NES, SNES, GB, Genesis, Atari, C64, PC Engine, MSX, ...) via WASM libretro cores.

MCP client configuration generator for Scell.io API - Electronic invoicing and signatures

Remote MCP server for music promotion agents. Create free Smart Links, check artist and campaign readiness, and help musicians and labels get releases ready to promote.

Convert any documentation URL into a ready-to-run MCP server — 100% local, no API keys needed

Composer MCP

MCP toolkit that gives AI agents a structured spec-driven development workflow

Vaultwarden/Bitwarden MCP server backed by Bitwarden CLI (bw).

Unit Test MCP Server - AI-powered test generation for Jest, Pytest & .NET via Model Context Protocol

MCP server for JIG CRM - lets AI assistants interact with your CRM data

Stdio proxy for MCP servers that logs all JSON-RPC traffic to a replayable trace file.

Civic Auth integration for MCP servers

FDKEY verification middleware for MCP servers — gate AI-agent access behind LLM-only puzzles. Runs on Node 18+, Cloudflare Workers, Bun, and Deno.

Unofficial MCP server for connecting AI agents to the WHOOP API.

MCP server for Expo documentation - reads local .mdx files for blazing fast performance. Works out of the box with zero configuration.

Model Context Protocol (MCP) server for Pollinations AI services using stdio transport

Model Context Protocol server for Pipedrive CRM - The most complete and robust Pipedrive MCP implementation

Give your AI coding agent a cheap DeepSeek coworker. Delegate bulk reads, boilerplate, and doc updates to save 60-70% of your token budget.

MCP server for AlgoVoi — create crypto payment links, verify payments, probe MPP endpoints (including MPP subscription lifecycle), screen recipients, compliance trust queries, and generate MPP / x402 challenges from any MCP client. Supports 29 tools acros

Standalone React hooks for strict core WebMCP tool registration with document.modelContext