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Harness engineering repositories on GitHub: 10 ranked by stars

10 public repositories tagged Harness engineering are on GitHub, with 69,909 stars between them; 9 had a push in the last 30 days. Most are written in Python (6), TypeScript (2), HTML (1). The most starred: agentscope-ai/QwenPaw (35,686), HKUDS/DeepCode (16,704), truefoundry/trueforge (6,232).

SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.

Every repository, most starred first

RepositoryWhat it isLanguageStarsForksLicenseLast pushRead
agentscope-ai/QwenPawYour Personal AI Assistant; easy to install, deploy on your own machine or on the cloud; supports multiple chat apps with easily extensible capabilities.TypeScript35,6863,182Apache-2.0Oct 14Oct 14
HKUDS/DeepCode"DeepCode: Open Agentic Coding (Agent Harness & Loop Engineering & Multi-Agent Orchestration)"Python16,7042,175MITOct 14Oct 14
truefoundry/trueforgeThe open-source agent harness - the runtime layer that turns an LLM into a working agent.TypeScript6,232515MITOct 14Oct 14
ai-boost/awesome-harness-engineeringAwesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration.Python4,828649Oct 14Oct 14
teaql/teaql-agent-kitA model-driven harness for AI coding agents: semantic modeling, app generation, progressive API Assist and evidence-based verification.Python2,816956MITSep 27Oct 14
Picrew/awesome-agent-harnessAn awesome list of Agent Harness engineering resources, including GitHub projects, tools, benchmarks, and practical guides.Python1,856222Oct 7Oct 14
RyanAlberts/best-of-Agent-HarnessesRanked list of 167 AI agent harnesses, plus templates, playbooks, MCP, and learning resources. Rescored weekly.Python1,13166CC-BY-SA-4.0Oct 9Oct 11
Gloriaameng/Awesome-Agent-HarnessOfficial repository for Agent Harness for Large Language Model Agents: A Survey — 168 references, 34 evidence-coded systems, and 30 harness benchmarks.37229CC-BY-4.0Oct 14Oct 14
HarnessRouter/SystemOneHarnessThe System One harness for System One models. Run Jev and other System One models locally or directly on HarnessRouter.ai.Python19321Apache-2.0Sep 21Oct 15
holny/Agent-Harness-Develop-BookAgent Harness (Loop Engineering) dev guide — complete architecture & core modules, based on production-grade agent source: Claude Code, DeepSeek Harness, OpenCode, Pi, Codex…HTML9125Sep 24Oct 14

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Read from GitHub by SpecStream between October 11, 2026 and October 15, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.