Harness GitHub Repositories (2026) · Open Source Tools

🧩 FrontierAgent, our agent framework, open-sourced alongside it — native command-line TUI, ReAct and Agent Team modes, one command on macOS and Linux, no preinstall, no hard Docker dependency.

Open-source terminal coding agent and SDK. Bring your own key for 25+ providers or a local model, with sandboxed subagents. Part of Directionally Local.

CoworkOS: a cowork harness for long-horizon and human-in-the-loop task execution

A local AI agent harness in Go that runs 24/7 with auto-built tools, MCP, and Ollama

On the path to fully autonomous agentic engineering

Bub it. Build it. A tiny agent runtime, composable with plugins.

An efficient durable harness for collaboration across people, models, and devices

AI automation skills specifically designed for Unity

AI coding agent for Visual Studio 2022/2026 — chat, inline completion, and five autonomous agents that explore, plan, patch, and verify builds. Works with the official DeepSeek API or any OpenAI-compatible endpoint.

Build distributed, production-grade, long-running agents.

AIBanlv Bot — An Open-Source AI Agent with a Face.

A local-first AI workspace : multi provider chat, a Full Harness in Hashcoder agent, 3D models, ERPs, and multi-agent swarms in one native desktop app. No backend. No telemetry. No account. MIT-licensed.

Exo is an agent + harness architecture that is fully recursive, able to safely edit all aspects of itself at runtime to get better at your tasks.

Your Intelligence, Orchestrated. Any Model, Any Agent, Any One.

Cost tracking for DeepSeek Harness: session and model costs, token usage, budgets, provider balances, and coding-plan quotas. Bilingual English/Chinese UI.

⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org

Desktop app for harness engineering, loop engineering, graph engineering—and whatever comes next in local AI-agent workflows.

An agentic framework that helps developers build resilient agentic systems

A governance harness for AI coding.

nomifun ai workstation. desc:A no-holds-barred, fully open-source, local-first super AI workstation.