@Ryrenz: HKU lab open-sourced an agent skeleton, with a built-in agent called Ohmo that can work directly. GitHub already 14.3k stars, from the University of Hong Kong Data Intelligence Lab (HKUDS), the team behind LightRAG — strong endorsement. Building a usable agent from scratch...

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Summary

The University of Hong Kong Data Intelligence Lab has open-sourced the lightweight agent framework OpenHarness and its built-in agent Ohmo, providing core features like tool calling, memory, multi-agent coordination, and support for platforms like Feishu and Slack.

A lab at HKU has open-sourced an agent skeleton, complete with a built-in agent called Ohmo that's ready to work right out of the box. It already has 14.3k stars on GitHub, from the University of Hong Kong Data Intelligence Lab (HKUDS) — the same team that built LightRAG. That's a solid endorsement. Building a usable agent from scratch, just piecing together the foundation like memory, tool calling, and multi-step task scheduling, can take a whole week. OpenHarness gives you this skeleton pre-assembled. If you want an agent that can read files, connect to the internet, and remember your preferences, just install it and go — no need to reinvent the wheel. If you're serious about studying how agents actually work but don't want to be overwhelmed by complex frameworks, this is a great starting point. If you want to understand the internals of agents, reading its code is far more valuable than reading ten blog posts. GitHub:
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oh — OpenHarness & ohmo

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🔄 Agent Loop

• Streaming Tool-Call Cycle • API Retry with Exponential Backoff • Parallel Tool Execution • Token Counting & Cost Tracking

🔧 Harness Toolkit

• 43 Tools (File, Shell, Search, Web, MCP) • On-Demand Skill Loading (.md) • Plugin Ecosystem (Skills + Hooks + Agents) • Compatible with anthropics/skills & plugins

🧠 Context & Memory

• CLAUDE.md Discovery & Injection • Context Compression (Auto-Compact) • MEMORY.md Persistent Memory • Session Resume & History

🛡️ Governance

• Multi-Level Permission Modes • Path-Level & Command Rules • PreToolUse / PostToolUse Hooks • Interactive Approval Dialogs

🤝 Swarm Coordination

• Subagent Spawning & Delegation • Team Registry & Task Management • Background Task Lifecycle • ClawTeam Integration (Roadmap)

Start here: Quick Start · Provider Compatibility · Showcase · Contributing · Changelog

Oh my Harness! The model is the agent. The code is the harness.

Thanks for visiting ✨ OpenHarness!

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