Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

A framework for few-shot evaluation of language models.

"OpenHarness: Open Agent Harness"

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use.

🛠️ Awesome tools & guides for harness engineering.

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A framework for the evaluation of autoregressive code generation language models.

Harness Engineering 学习指南 — 从概念理解到独立实践的深度学习档案

Harness Engineering From Claude Code source code to AI Coding

Meta-Harness: 76.4% on Terminal-Bench 2.0 (Claude Opus 4.6)

Harness engineering official style beginner tutorial, from 0 to 1

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Claude Code Dedicated Development Harness - Achieving High-Quality Development Through an Autonomous Plan→Work→Review Cycle

A code-first, composable SDK to build powerful AI agents

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Collection of Makefiles to facilitate building Golang projects, Dockerfiles, Helm charts, and more

Open-source LINE Official Account CRM — free alternative to paid tools. Step delivery, broadcasts, forms, rich menus, scoring, automation, and more.

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Harness is a Machine Learning/AI Server with plugins for many algorithms including the Universal Recommender

Public Repo for Atomic Test Harness

A simple toolkit for benchmarking LLMs on mathematical reasoning tasks. 🧮✨

Create, isolate and test modular UI components in React.

Harness brings Jest-style tests to real native environments so you can test TurboModules like you would test your React Native app: with JavaScript.

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AutoHarness: Automated Harness Engineering for AI Agents

Linear Autonomous Coding Agent Harness

Retired: Harness CD Community Edition is a modern self-service continuous delivery solution that allows developers to deploy, verify and automatically rollback Kubernetes and other cloud-native applications on any public or private cloud infrastructure of their choice.

One framework to evaluate any VLA model on any robot simulation benchmark.

Portable CC-inspired skills for memory, verification, multi-agent coordination, context compression, and proactive coding-agent workflows.

A lightweight harness designed to be simple to use, efficient, universially compatible with any coding agent to evaluate them over a broad set of coding tasks and languages.