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Best Lua AI Skills & MCP Servers

43 curated Lua skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Ai Agent Guidelines

MCP Registry

MCP server exposing public instruction workflows as tools, backed by hidden AI agent skills for requirements, orchestration, quality, research, evaluation, governance, resilience, and physics-inspired analysis

MCP Registry · ★ 5.0free

Calculator

MCP Registry

Evaluate, simplify, and differentiate mathematical expressions via MCP. STDIO or Streamable HTTP.

MCP Registry · ★ 5.0free

Mcplab

MCP Registry

MCPLab - Test and evaluate MCP servers with LLMs — run evals, compare agents and launch the MCPLab web app

MCP Registry · ★ 5.0free

Roblox

MCP Registry

An MCP server for interacting with Roblox Game Clients (Delta, etc) over WebSocket+HTTP, with a server side decompile pipeline and in game UI.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server discovery tool for AI agents. Searches MCP servers across Official Registry, Glama, and Smithery so your AI can find, evaluate, and install tools on demand.

MCP Registry · ★ 5.0free

Refinancier

MCP Registry

MCP client for refinancier — Trust Infrastructure for Uncertain Assets. Enterprise valuation, anomaly detection, and value-up recommendations for AI agents.

MCP Registry · ★ 5.0free

Agent Toolbelt

MCP Registry

MCP server that gives Claude real-time stock research — investment thesis, earnings analysis, insider signals, valuation, and bear/bull cases. Plus 20 utility tools.

MCP Registry · ★ 5.0free

Evals

MCP Registry

GitHub Action for evaluating MCP server tool calls using LLM-based scoring

MCP Registry · ★ 5.0free

Xcomet

MCP Registry

MCP Server for xCOMET translation quality evaluation

MCP Registry · ★ 5.0free

Glua Docs

MCP Registry

A Model Context Protocol (MCP) server that provides searchable access to Garry's Mod Lua API documentation

MCP Registry · ★ 5.0free

Mcplab

MCP Registry

MCP server that exposes MCPLab evaluation tools — query runs, results, and traces via the Model Context Protocol

MCP Registry · ★ 5.0free

Mcplab Core

MCP Registry

Core evaluation engine for MCPLab — agent adapters, MCP client, scenario runner, and result types

MCP Registry · ★ 5.0free

Mcplab Reporting

MCP Registry

HTML report generation for MCPLab evaluation runs

MCP Registry · ★ 5.0free

Tuningengines Cli

MCP Registry

Tuning Engines CLI, MCP server, and Python agent runtime adapters for governed model, agent, skill, and MCP workflows. Fine-tune open-source LLMs, run inference, manage datasets/evaluations, and connect LangGraph or Temporal while Tuning Engines handles p

MCP Registry · ★ 5.0free

Ripple

MCP Registry

REPL-sharing MCP server — AI and humans co-drive the same visible terminal. 19 embedded adapters: shells (bash, pwsh, zsh, cmd), language REPLs (Python, Node, Deno, Lua, Racket, CCL/ABCL/SBCL Common Lisp, F# Interactive, jshell, Groovy, SQLite3), and debu

MCP Registry · ★ 5.0free

Md Feedback

MCP Registry

MCP server for markdown plan review — companion to the MD Feedback VS Code extension. AI agents read annotations, mark tasks done, evaluate quality gates, and generate session handoffs. 27 tools for Claude Code, Cursor, and other MCP-compatible clients.

MCP Registry · ★ 5.0free

Judges

MCP Registry

45 specialized judges that evaluate AI-generated code for security, cost, and quality.

MCP Registry · ★ 5.0free

Vulcn

MCP Registry

Security evals for the AI era. Probes · Targets · Graders · Proof. Confirmed XSS / SQLi / BOLA / prompt-injection / MCP-RCE with reproducible proof attached to every finding.

MCP Registry · ★ 5.0free

Recourse Cli

MCP Registry

MCP server for AI agents to evaluate consequences before destructive actions. Analyzes Terraform plans, shell commands, and MCP tool calls.

MCP Registry · ★ 5.0free

Formulon

MCP Registry

MCP server for Formulon Excel-compatible formula and workbook evaluation

MCP Registry · ★ 5.0free

Workpaper

MCP Registry

Bilig WorkPaper API, CLI evaluator, and MCP server for headless spreadsheet formulas in Node.js services and agents.

MCP Registry · ★ 5.0free

Roblox

MCP Registry

MCP (Model Context Protocol) server for Roblox Studio integration - enables AI coding agents to interact with Roblox Studio in real-time

MCP Registry · ★ 5.0free

Server

MCP Registry

The agent eval standard for MCP. Score every agent output for quality, safety, and cost.

MCP Registry · ★ 5.0free

Node Webrtc

MCP Registry

MCP server for @agentdance/node-webrtc — lets AI agents discover, evaluate, and get started with the pure-TypeScript WebRTC stack

MCP Registry · ★ 5.0free

About Lua skills on iClaude

iClaude is the universal install layer for AI skills. Every Lua 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.