Best Der AI Skills & MCP Servers

Code-aware browser testing agent — reads your codebase, understands functionality, tests every element, reports with screenshots. Works as MCP server for Cursor/Claude Code or standalone CLI.

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

MCP server for discovering and converting Claude skills

AI Task Management Assistant MCP Server for Claude Desktop and Claude Code

Structured reminders CLI for AI agents with MCP server

MCP server for terminal operations and file editing

The MCP toolkit for AI agents. Voice MCP gives your AI a phone line through your own Twilio. Coder MCP gives it a memory across every Claude Code, Codex CLI, and Cursor session. One npm package, two capability modules, local SQLite, no SaaS in the middle.

MCP server that turns HTML MUP panels into interactive tools for LLMs — render UI, call functions, and pipe data between panels

AI Governance Era v6.1: loungeservice-grade project initialization. Creates 8-folder structure with complete AI governance (AI_RULES.md, AI_ROLE_MATRIX.yaml, NAMING_EXCEPTIONS.md, DEVELOPMENT.md, project.md) and bridge files (.cursorrules, .windsurfrules)

MCP server for the OpenRouter management API — credits, inference-key CRUD with daily/weekly/monthly reset & expiration, activity drill-down (by_model/day/provider/key), one-shot dashboard.

Prism Coder — Cognitive memory + tool-calling intelligence for AI agents. Mind Palace persistent memory (BFCL Gold Certified, 100% Tool-Call Accuracy, 54 Agent Skills, Zero-Search HDC/HRR retrieval, HRR Semantic Drift Detection across BCBA/Coding/AAC doma

MCP Server for multi-cloud provider documentation search — search and retrieve official cloud vendor docs directly in AI coding assistants

Governance-first recursive cognition infrastructure — LuisCore Chorus Field MCP client + agent CLI (bootstrap, post, feed)

MCP server for APIMesh — 76 x402-payable tools for AI agents (74 APIs + wallet usage + spend caps). Covers web vitals, security headers, SEO audits, email security and verification, tech-stack detection, brand assets, redirect chains, indexability, brand

Multi-provider, MCP servers & channels toolkit for Claude Code and Codex CLI (by next-bin)

Your personal AI runtime, local-first. Patchwork OS gives any AI model a consistent set of tools, YAML recipes, a delegation policy with approval queue, and a durable trace memory — all on your machine, all under your policy.

Modern, lightweight profanity detection & content moderation toolkit with l33t speak detection, multi-language support, and guard rails

0nORK — AI Orchestration Infrastructure. 1,640+ tools, 109 services, 5 patents pending. Official MCP Registry listed. UCP + .0n App Marketplace + Course Builder + Lead Magnet Loop + Agentic Automation Generator + SaaS Factory + App Builder + Website Build

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

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.

Shopify Admin GraphQL API MCP server by AIWerk - manage products, orders, customers, inventory, and more from your AI agent

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.

Multi-account, multi-provider email MCP server