Governance framework for AI coding agents. It runs them through a five-step workflow (plan, build, review, test, ship) where no step counts as done without evidence. Drop-in rules and guardrails for Claude Code, Codex, Cursor, Copilot, and Antigravity, via AGENTS.md.
HAR: open agent harness (CLI + MCP) for coding agents. Isolated worktrees, deterministic verify, software factory workflows for Claude Code, Cursor, and Codex.
Agent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, staged evaluation, budgeted evolution loop. MCP server, 14 runtimes: Claude Code, Codex CLI, Gemini CLI, OpenCode, Copilot, Kiro and more.
Helping the Agents Compose the Things
A growing collection of MCP servers bringing offensive security tools to AI assistants. Nmap, Ghidra, Nuclei, SQLMap, Hashcat and more.

Production-grade engineering skills for AI coding agents.
A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent
Automated TDD enforcement for Claude Code
See what Claude Code and Codex actually send to the API — and what each part costs.
Multi-agent orchestration platform for Gemini CLI, Claude Code, Codex, and Qwen Code — 39 specialists, parallel subagents, persistent sessions, and built-in code review, debugging, security, SEO, accessibility, and compliance tools
The operations layer for agentic engineering — portable skills and contracts connecting intent, agents, software factories, and independent judgment.

Ghost Security's collection of AppSec skills for AI coding agents
Claude Code skill: Software design philosophy guide based on A Philosophy of Software Design by John Ousterhout
Chiasmus is an MCP server that gives language models access to formal verification
Rust MCP server for comprehensive code intelligence - 90 tools, 32 languages, security scanning, call graphs, and more
A reference software factory for Claude Code and Codex
CI-native security testing for MCP servers. Attack simulation, schema drift detection, and health scoring before agents depend on them.
Agent skill for modern Android development with Jetpack Compose — best practices for code generation and review
Skill pack for server-side TypeScript design and review in Claude Code.
A collection of skills for AI coding agents working with Azure Cosmos DB. Skills are packaged instructions and scripts that extend agent capabilities.
Roslyn-based MCP server giving AI agents deep semantic understanding of .NET/C# codebases — 67 tools for navigation, call graphs, diagnostics & code fixes, safe refactoring, code-quality auditing, test intelligence, DI graphs, and IL/external-assembly inspection.
Jetpack Compose & Kotlin AI agent skills for Cursor, Claude Code, Codex, Gemini & 27+ agents. Strict MVI · Kotlin 2.x K2 · Compose 2026 · CI-validated.
The definitive guide & configuration system for GitHub Copilot CLI — agents, skills, rules, multi-AI orchestration, and more
A platform evolution of OpenAI Symphony (openai/symphony) for running Codex, Claude Code, CodeBuddy Code, and OpenCode from real project tasks.