Awesome Agent Harness

The agent that grows with you

Public repository for Agent Skills

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

💫 Toolkit to help you get started with Spec-Driven Development

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

🙌 OpenHands: AI-Driven Development

An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

A programming framework for agentic AI

No fortress, purely open ground. OpenManus is Coming.

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

aider is AI pair programming in your terminal

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

"CLI-Anything: Making ALL Software Agent-Native" -- CLI-Hub: https://clianything.cc/

Lightweight, open-source AI agent for your tools, chats, and workflows.

Build, run, and manage agent platforms.

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI

Build resilient agents.

ChatDev 2.0: Dev All through LLM-powered Multi-Agent Collaboration

Official, Anthropic-managed directory of high quality Claude Code Plugins.

A lightweight, powerful framework for multi-agent workflows

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

The batteries-included agent harness.

🚀 The fast, Pythonic way to build MCP servers and clients.

Persistent file-based planning for AI coding agents and long-running agentic tasks. Crash-proof markdown plans that survive context loss and /clear, plus a deterministic completion gate and multi-agent shared state on disk. Manus-style. Works with Claude Code, Codex CLI, Cursor, Kiro, OpenCode and 60+ agents via the SKILL.md standard.

The official Python SDK for Model Context Protocol servers and clients

A configuration framework that enhances Claude Code with specialized commands, cognitive personas, and development methodologies.

Specification and documentation for Agent Skills

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

SWE-agent takes a GitHub issue and tries to automatically fix it, using your LM of choice. It can also be employed for offensive cybersecurity or competitive coding challenges. [NeurIPS 2024]

Devika is the first open-source implementation of an Agentic Software Engineer. Initially started as an open-source alternative to Devin.

AI Agent Framework, the Pydantic way

Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions.

🐫 CAMEL: The first and the best multi-agent framework. Finding the Scaling Law of Agents. https://www.camel-ai.org

A comprehensive collection of Agent Skills for context engineering, multi-agent architectures, and production agent systems. Use when building, optimizing, or debugging agent systems that require effective context management.

The LLM Evaluation Framework

Python SDK for Agent AI Observability, Monitoring and Evaluation Framework. Includes features like agent, llm and tools tracing, debugging multi-agentic system, self-hosted dashboard and advanced analytics with timeline and execution graph view

Browser Harness | Self-healing harness that enables LLMs to complete any task.

Agent Skills for Google products and technologies

Supercharge Your LLM Application Evaluations 🚀

"OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!"

Personal memory across agents

A framework for few-shot evaluation of language models.

Open-source, secure environment with real-world tools for enterprise-grade agents.

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, and security risks.

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.