Best Text AI Skills & MCP Servers

HTTP↔WebSocket bridge daemon between thunderbird-cli (or any HTTP client) and the Thunderbird WebExtension. Stateless proxy, localhost-only.

XLUXX Trust Layer MCP Server — 16 tools for runtime trust scoring of 15,000+ MCP servers, Resonance Engine analysis, and Context Gate integrity checks. Installable in Claude Desktop, Cursor, and any MCP-compatible host.

MCP server that gives Claude Desktop full access to your email through Mozilla Thunderbird. 12 high-level tools: search, read, compose, reply, attachments, folders.

Low-level CLI to manage Mozilla Thunderbird email from the shell. 38 commands for search, read, compose, reply, attachments, folders, bulk ops. Designed for AI agents.

Model Context Protocol server for Cognigy.AI REST API

MCP server + CLI for the Unified Product Graph — drop into Claude Code or use the `upg` command.

Model Context Protocol (MCP) server for the A2A (Agent2Agent) protocol compliance test kit. Lets Claude Desktop, Cursor, Codex, and other MCP clients invoke run_compliance / validate_agent_card / list_checks / explain_check / ssrf_check_url as native tool

MCP server for Astro ASO (App Store Optimization) data - Access keyword rankings, historical data, and app metrics

GitLab MCP server for projects, merge requests, issues, pipelines, wiki, releases, and more

MCP server for FaithFinder church discovery — lets external LLMs recommend churches, faith-based community events, and volunteer opportunities to users looking to connect with a faith community.

Token-efficient recursive thinking MCP server for AI agents. Achieve production-ready solutions through iterative refinement with 70% token reduction. Perfect for Claude, AI problem-solving, and complex task automation.

MCP server to automate DSers product import from AliExpress/Alibaba/Accio to Shopify & Wix

MCP server for AI agent trading — 275+ perpetual markets including TSLA, NVDA, GOLD, SILVER via Hyperliquid HIP-3. Stocks, commodities, crypto, forex. By Purple Flea.

MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config

Local-first code intelligence CLI for unerr

AINative ZeroDB MCP Server - 77 operations for vector search, quantum compression, NoSQL, dedicated PostgreSQL management, files, events, RLHF, and persistent memory for AI agents with enterprise security. All tools annotated with readOnly/destructive/ide

MCP stdio server for HrClaw Market - enables OpenClaw agents to browse agents, skills, and tasks

MCP server for scholarly works, authors, and institutions via OpenAlex API

Enterprise-grade MCP server providing heavily optimized FTP/SFTP operations with smart sync, patch/chunk streaming, caching, and explicit read-only security mappings for AI code assistants.

MCP server for controlling VMware Fusion/Workstation VMs via vmrun CLI

A Model Context Protocol (MCP) server that exposes the official Notion SDK

ArcAgent MCP server for bounty discovery, workspace execution, and verified coding submissions

Workspace-level Apifox MCP Server for intelligent API documentation integration in Cursor AI

One command gives every AI editor permanent memory. Auto-detects Claude Code, Cursor, Copilot, Windsurf, Continue — writes MCP config + memory rules instantly. Free tier, no credit card.