Best Runtime AI Skills & MCP Servers

The Application Engine for the AI Era. A multi-threaded, AI-native runtime with a persistent Scene Graph, enabling AI agents to introspect and mutate the living application structure in real-time.

Open-source control plane for AI coding agents: budget caps, verifier gates, rollback evidence, and audit trails.

MCP server for the 1claw secrets vault — lets AI agents fetch, store, and manage secrets at runtime

MCP client, server, and protocol utilities for Yolk agent runtimes.

Read and publish to Substack via MCP — single Rust binary, no Node.js runtime.

A lightweight, zero-footprint TypeScript MCP server that lets AI assistants interact with the Godot 4.x game engine: not just editing files, but playing the game.

MCP server for cryptographic AI agent governance. Seal policy artifacts, enforce at runtime, prove with signed receipts and offline-verifiable evidence bundles.

Deno runtime adapter for MCP servers built with ModelFetch

Caffinate MCP server — build, publish, install AI workflows from inside your agent runtime.

Simple Language MCP server — 99 tools for code intelligence, debugging, build, VCS, and analysis. Native binary, no Node.js runtime needed.

BotVault CLI — install the BotVault MCP server (Claude Code, OpenClaw, Cursor) so your AI agents can fetch credentials at runtime instead of you pasting them into chat.

Runtime verification for AI coding agents. MCP server that lets Claude Code verify code changes work end-to-end via Playwright + OpenTelemetry + SigNoz.

Security scanner for AI-generated apps (Cursor, Lovable, Windsurf, v0). Catches hardcoded secrets, prompt injection, hallucinated imports, Server Actions / Edge runtime mistakes, and the vibe-coded vulnerabilities traditional linters miss.

QiloBack MCP server — orchestrate the QiloBack platform from any MCP-compatible AI client (Claude Desktop, Claude Code, Cursor, Windsurf, ChatGPT Desktop). Spawns the Python qiloback-mcp package; uvx is the recommended runtime.

A lightweight MCP (Model Context Protocol) client library for JavaScript and cross-runtime environments, supporting MCP Apps in host applications and multiple storage backends (Memory, File, Redis, Supabase, Neon).

Core library for parsing, loading, and managing .photon.ts files - runtime-agnostic foundation for building custom Photon runtimes

MCP server for Gildara — operating contracts for AI agents. Structured runtime instructions compiled into optimal system prompts.

FFmpeg MCP server