Multi-harness control protocol that turns requests into approved design contracts, orchestrating isolated worker sessions for sequential implementation and independent code reviews under Orca supervision for Claude Code, Codex, Cursor, Antigravity, and other AI coding agents.
Agent Package Manager
Ruler — apply the same rules to all coding agents

Use your favorite coding agent with any model.
Token usage tracker for (not only) OpenCode
Daily Leetcode masterclass with Claude code DSA mentor
Bring Agent Skills to Any AI Agent and Coding Agent — via CLI or MCP. Manage once, serve anywhere.
Official Qt AI engineering skills for Claude Code, Codex, Copilot, Gemini,and other AI coding tools
A persistent local memory for AI, LLMs, or Copilot in VS Code.
resume any AI coding session in another tool — Claude Code, Copilot, Gemini, Codex, Cursor
Agent skills for Spec Kit
Tutorials, Guides and Agent Skills Directories
The MATLAB Agentic Toolkit brings trusted MATLAB capabilities to AI agents, making engineering and scientific workflows agent-ready.
Production-grade Playwright + TypeScript Scaffold for Agentic Testing. Harness for all major AI coding agents baked in.
Money-saving guide to AI coding tools: free tiers, discounts, referral credits & open-source alternatives. 省钱指南。
Multi-agent system for software development
Coding Agent Session Manager for Claude Code / Gemini CLI / Codex CLI / Cursor Agent / Copilot CLI / Cline CLI / OpenCode / Kimi CLI
A collection of AI agent skills for Clawdbot, Claude Code, Codex
Architecture guardrails for AI coding agents building backend services with DDD and Hexagonal Architecture.
Build tested agent skills and govern their lifecycle through a user-defined marketplace: evidence, discovery, updates, rollback, quarantine, and 17-platform distribution.
The Simulink Agentic Toolkit gives your AI agent both the tools and the expertise to work effectively with Simulink and Model-Based Design.
Portable Agent Skill for repository-native Spec programming, informed by public DeepSeek Harness engineering patterns.
Local-first runtime for project-scoped AI coding-agent sessions, with durable state, authority boundaries, and multi-harness interoperability.
Agent Skill providing expert Swift Testing guidance for AI coding tools: covering test doubles, fixtures, async patterns, XCTest migration, and testing best practices.