agent-harness

ECC

JavaScript

95

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

grok-build

Rust

90

SpaceXAI's coding agent harness and TUI. Fullscreen, mouse interactive, extensible.

waggle

Rust

80

Attributed, resolvable artifact references for agent handoffs — a ~30-byte token instead of pasted context. MCP-native; the reference layer for the agent-harness world.

skills

Python

75

Codebase harness + loop engineer

ai-trains-ai

Python

77

RL-training an AI agent to RL-train AI agents.

ragflow

Go

90

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

harness-engineering

Python

90

🐎 Ryan Lopopolo’s anthology, field guide, and agent context bundle for harness engineering

harness

Swift

77

AI-driven user testing for iOS Simulator, macOS apps, and web apps. Write a goal in plain language; an LLM agent drives the UI and reports friction. macOS 14+, Swift 6.

waku-agent

Python

80

Waku Waku! Waku agent is your personal AI agent, on your own laptop, in code you can read in an afternoon — harness + loop + memory + eval

omnigent

Python

85

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

loopkit

Shell

80

33 battle-tested skills + minimal .claude harness for any coding agent (Claude Code, Cursor, Codex, Gemini CLI).

ORG2

TypeScript

85

Coding agent orgs: built for reviewability and team collaboration. Built-in rust harness & 20+ CLIs.

llm-space

TypeScript

90

A desktop app to prototype agent ideas, inspect every harness step, replay failures, and evaluate performance, all in one place. Local-first, cloud-ready for managed agents.

eve

TypeScript

85

The Framework for Building Agents

goalbuddy

JavaScript

77

A better /goal for Codex and Claude Code

deepsec

TypeScript

90

Deepsec is a security harness for finding vulnerabilities in your codebase powered by coding agents

agent-rules-books

85

AGENTS.md rules / skills for AI coding agents: Codex, Cursor & Claude Code. Inspired by Clean Code, Refactoring, DDD, Clean Architecture and DDIA programming books.

agent-apprenticeship

Python

82

The living ecosystem where AI agents complete tasks through workflow loops, improve through iterative execution, are evaluated by mentor agents or humans in the loop, and turn completed work into reusable work experience and data to improve future agents.

agent-apprenticeship

Python

82

The living ecosystem where AI agents complete tasks through workflow loops, improve through iterative execution, are evaluated by mentor agents or humans in the loop, and turn completed work into reusable work experience and data to improve future agents.

agent-skills

Python

82

Useful skills for agents and claws.

agent-as-a-router

TypeScript

77

The official implementations of Agent-as-a-Router: Agentic Model Routing for Coding Tasks.

awesome-gamedev-agent-skills

Python

82

Game-development Agent Skills for AI coding agents: install once and a master router loads the right skill for your engine and task. 66 original, version-pinned skills (plus a master router) in the portable SKILL.md format that runs across Claude Code, Cursor, Codex, Copilot, Gemini CLI and more, for Godot, Unity, Unreal, web and beyond.

hermes-agent

Python

85

The agent that grows with you

launch-your-agent

HTML

85

Claude Code skills that take a founder from idea to a live Claude Managed Agent: interview, scope a v0, launch in their own account, grade it, iterate, and schedule it

skills

Python

85

Public repository for Agent Skills

ponytail

JavaScript

95

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

loopy

JavaScript

90

A library of practical AI-agent loops and an installable skill for finding, adapting, and designing repeatable agent workflows.

loop-library

JavaScript

90

A library of practical AI-agent loops and an installable skill for finding, adapting, and designing repeatable agent workflows.

AgentsMesh

Go

90

The AI Agent Workforce Platform. Run a hundred AI coding agents across your own machines — schedule, isolate, and steer them all from one console.

threejs-game-skills

Python

90

Agent skills for building playable, polished Three.js browser games with gameplay, AAA-style graphics, UI, QA, and optional AI-generated 3D, image, and audio assets.

looper

Python

82

Design visual, review-gated agent loops for Claude Code before you run them.

OpenChatCut

TypeScript

77

Local-first conversational AI video editor with a professional multi-track timeline, Agent Skills, MCP integration, and Remotion-powered rendering.

Browser-BC

TypeScript

72

Agent behavior clone for browser using, targeting general GUI using and distributed trajectory collecting.

good-question

PowerShell

77

A portable agent skill for sharpening research questions.

lazyskills

Go

77

mission control for agent skills

whathappened

82

Agent skill: adaptive X-only briefing of what happened + public opinion + debates

marketing-studio

JavaScript

82

Agent-driven marketing studio for Claude Code: one /marketing command renders your product's full launch asset suite (logo reveal, demo, launch video, social clips, OG assets)

loop.js

TypeScript

68

A loop engineering framework — state a Goal; Rounds run until a skeptical, read-only Verify agent settles it.

forsy-trace-skill

Python

67

Open skill for capturing AI agent work as structured traces.

claw-code

Rust

95

An agent-managed museum exhibit, built in Rust with Gajae-Code / LazyCodex — developed and maintained with no human intervention.

langchain

Python

95

The agent engineering platform.

dao-code

TypeScript

87

Open-source TypeScript terminal coding agent for DeepSeek-V4 — builds on DeepSeek's strong price-performance and ultra-cheap cache pricing, engineering byte-stable prefixes and cache-reusing forks so cross-session memory and a continuous self-correction layer add almost no token cost; 1M context, Skills/MCP/Hooks, Claude Code config compatible.

dothething

Shell

80

an autonomous AI agent: you describe the thing, it does the thing.

cliare

Rust

82

CLI agent-readiness measurement, command-shape inference, and CI scorecards

skills

JavaScript

77

AI agent skills created by me: Dan McAteer

Noustiny

TypeScript

67

An agent native video creation pipeline that runs on top of Hermes Agent

opencode

TypeScript

90

The open source coding agent.

awesome-llm-apps

Python

95

100+ AI Agent & RAG apps you can actually run — clone, customize, ship.