Open-Source Harness Projects
A curated list of open-source projects related to AI agent harness engineering.
Agent Runtimes & Harnesses
| Project | Stars | Description | Language |
|---|---|---|---|
| OpenClaw | 355K | The open-source AI agent runtime | TypeScript |
| Hermes Agent | 70K | Multi-agent framework | Python |
| Cline | ~60K | AI agent for VS Code | TypeScript |
| Paperclip | 52K | Multi-agent orchestration | Python |
| Aider | ~43K | AI pair programming | Python |
| Eigent | 13.5K | Open-source Cowork Desktop | TypeScript |
| OpenCode | — | Terminal AI coding agent | Go |
| Nexu | 2.3K | Desktop client for OpenClaw | TypeScript |
Memory & Context
| Project | Description |
|---|---|
| Letta (MemGPT) | Long-term memory management for LLM agents |
| Mem0 | Memory layer for personalized AI |
Multi-Agent Frameworks
| Project | Description |
|---|---|
| CrewAI | Framework for orchestrating role-playing agents |
| AutoGen | Multi-agent conversation framework |
| LangGraph | Stateful multi-agent applications |
| Multica | Multi-agent management platform |
Skill & Tool Ecosystems
| Project | Description |
|---|---|
| Awesome OpenClaw Skills | 5,400+ curated OpenClaw skills |
| Awesome Agent Skills | Cross-platform agent skills |
| Awesome MCP Servers | Model Context Protocol servers |
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