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#harness (30 Repositories)

Ranked open-source repositories tagged with #harness, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

70.3%

Avg Review Latency

38.0h

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30 repositories tagged #harness

S TierGo 345 1 GFIs

tingly-dev/tingly-box

Your Intelligence, Orchestrated. Every builder. Every team. Every agent. For Everyone.

92.3%
Merge Rate
1d
First Review
78%
1st-Timers
12
Maintainers
S TierC# 386 1 GFIs

DotHarness/dotcraft

An embeddable C#/.NET AI agent runtime for building extensible agents that evolve with your projects.

96.3%
Merge Rate
2d
First Review
100%
1st-Timers
6
Maintainers
A TierPython 2.7k

Project-N-E-K-O/N.E.K.O

A catgirl who lives with you in real time — reaching out first, sharing your media, and actually getting things done, powered by an embodied emotional engine.🐱❤️一只会主动找你玩的 AI 猫娘。

89.0%
Merge Rate
24h
First Review
82%
1st-Timers
25
Maintainers
A TierTypeScript 7.2k

ChatLab/ChatLab

Local-first chat history analyzer with AI. | 本地优先的 AI 聊天记录分析工具

89.5%
Merge Rate
18h
First Review
67%
1st-Timers
19
Maintainers
B TierPython 728

ZJU-REAL/HugAgentOS

HugAgentOS: The Self-Evolving AgentOS for Ontology-Grounded Trustworthy Reasoning

97.8%
Merge Rate
6d
First Review
100%
1st-Timers
1
Maintainers
A TierTypeScript 14.1k

mindfold-ai/Trellis

The best agent harness.

81.6%
Merge Rate
17h
First Review
78%
1st-Timers
54
Maintainers
B TierPython 1.2k

zhnt/loushang

AI-native agent harness for coding workflows by python: multi-model LLM orchestration, stateful sessions, tool governance, traceable delivery, and provider routing for GPT, Claude, DeepSeek, Qwen, Kimi, GLM, and MiniMax.

96.3%
Merge Rate
3d
First Review
100%
1st-Timers
1
Maintainers
A TierPython 385

lemma-work/lemma-platform

The open-source workspace where humans and AI agents work as one team.

85.6%
Merge Rate
20h
First Review
67%
1st-Timers
13
Maintainers
A TierTypeScript 677

aeonfun/aeon

The most autonomous AI agent framework: runs unattended on GitHub Actions, self-healing skills, drives Claude Code, Grok, Codex & more. No approval loops. Configure once, forget forever.

89.7%
Merge Rate
3d
First Review
59%
1st-Timers
7
Maintainers
A TierTypeScript 1.6k

deer-flow/llm-space

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.

73.0%
Merge Rate
6h
First Review
75%
1st-Timers
6
Maintainers
A TierJava 222

DataSQRL/sqrl

Agentic Data Engineering Harness for building data pipelines, data products, data APIs, and data lakes autonomously

85.1%
Merge Rate
2d
First Review
67%
1st-Timers
5
Maintainers
B TierGo 75

cocofhu/approving

Approving is an open-source, self-hostable platform for turning coding agents into visual, reviewable, and recoverable delivery workflows. Agents run in real Docker sandboxes, exchange structured artifacts, and pause for human Approve at critical nodes.

94.1%
Merge Rate
9d
First Review
100%
1st-Timers
0
Maintainers
A TierTypeScript 805

riba2534/happyclaw

自托管、多用户、智能体优先的 Agent 工作台

67.2%
Merge Rate
1d
First Review
89%
1st-Timers
5
Maintainers
A TierPython 14.3k

NevaMind-AI/memU

Personal memory across agents

73.7%
Merge Rate
10h
First Review
67%
1st-Timers
9
Maintainers
B TierGo 478

agenvoy/Agenvoy

Self-hosted AI agent harness in a single Go binary — writes, sandbox-tests and repairs its own tools, and lets Claude Code, Codex and any MCP client build and share them.

90.2%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
A TierTypeScript 1.6k

Prism-Shadow/penguin-harness

🐧 Harness for RSI. Let AI Build AI. Everything is Transparent.

76.9%
Merge Rate
2d
First Review
64%
1st-Timers
6
Maintainers
A TierGo 21.4k 6 GFIs

alibaba/open-code-review

Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

68.5%
Merge Rate
2d
First Review
66%
1st-Timers
74
Maintainers
B TierJavaScript 198

Han-1413141/dsh-cost-meter

DeepSeek Harness session cost meter plugin: session/daily cost, budget, history, OpenCode Go quota, official & custom-provider balance, Codex-like token heatmap, peak/off-peak pricing with pre-switch popup & system-notification alerts, official price sync, 90+ model pricing catalog, Coding Plan quota queries (7 vendors), bilingual zh/en UI

75.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierPython 5.8k

ModelEngine-Group/nexent

Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.

78.9%
Merge Rate
2d
First Review
60%
1st-Timers
22
Maintainers
A TierPython 850

AMAP-ML/LongHorizon-Harness

The long-horizon computer-use harness. Run AI agents across desktop apps and the CLI for extended periods while preserving task state and making reliable progress on complex workflows. Features fresh-context execution, durable verified state, independent auditing, recoverable progress, and native Claude Code / Codex / OpenClaw integration.

39.4%
Merge Rate
1h
First Review
29%
1st-Timers
7
Maintainers
A TierRust 870 1 GFIs

exoharness/exo

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.

57.7%
Merge Rate
7h
First Review
53%
1st-Timers
18
Maintainers
B TierTypeScript 14.0k

yc-software/qm

Multiplayer agent harness for work.

29.8%
Merge Rate
2h
First Review
2%
1st-Timers
36
Maintainers
B TierTypeScript 4.9k

vercel/eve

The Open Framework for Building Agents

52.0%
Merge Rate
1d
First Review
38%
1st-Timers
48
Maintainers
B TierTypeScript 4.9k 6 GFIs

truefoundry/trueforge

The open-source agent harness - the runtime layer that turns an LLM into a working agent.

5.3%
Merge Rate
4h
First Review
0%
1st-Timers
20
Maintainers
B TierPython 132

RandyChen1985/nanzi-ai-agent-platform

🚀 开源企业级多智能体平台与 ChatBI 数据洞察平台。支持多 Agent 协作、RAG 知识增强、物理数据源直连与安全沙箱执行、Redis 长期记忆引擎,并集成多模态 EmbedChat 挂件与全方位 Token 消耗审计看板,完整 RBAC权限控制和 Harness支持。

42.9%
Merge Rate
20h
First Review
0%
1st-Timers
0
Maintainers
B TierJava 5.3k 27 GFIs

agentscope-ai/agentscope-java

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

41.8%
Merge Rate
21h
First Review
29%
1st-Timers
54
Maintainers
B TierPython 6.6k

xerrors/Yuxi

可私有部署的多租户知识智能体平台:统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows.

61.5%
Merge Rate
1d
First Review
50%
1st-Timers
14
Maintainers
B TierRust 223

morganlinton/Albatross

Open source, terminal-first AI coding agent with fully transparent multi-model routing. Local (Ollama, LM Studio, MLX, llama.cpp) or cloud, your keys, one TUI. No black box.

78.9%
Merge Rate
3d
First Review
75%
1st-Timers
2
Maintainers
B TierPython 29.1k

openai/openai-agents-python

A lightweight, powerful framework for multi-agent workflows

48.6%
Merge Rate
2d
First Review
31%
1st-Timers
85
Maintainers
B TierJavaScript 4.6k 2 GFIs

chaitanyagiri/munder-difflin

local multi-agent harness

50.9%
Merge Rate
20h
First Review
60%
1st-Timers
14
Maintainers
Best Harness Open Source Repositories & C-Rank™ | GetMerged