OpenAgentSkill guide

Best coding agents skills for AI agents

Discover skills for code generation, repository analysis, pull-request review, testing, debugging, and agentic software engineering.

When to use this guide

Start from the job, then shortlist the tools.

Analyze a codebase

Use quality and freshness signals to decide whether a skill belongs in this workflow.

Review a pull request

Use quality and freshness signals to decide whether a skill belongs in this workflow.

Generate tests

Use quality and freshness signals to decide whether a skill belongs in this workflow.

Automate release notes

Use quality and freshness signals to decide whether a skill belongs in this workflow.

Shortlist

Top skills to evaluate

Compare top 4
#1Agent SkillsExcellent · 10072K stars

Production-grade engineering skills for AI coding agents.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#2Antigravity Awesome SkillsExcellent · 10042K stars

A comprehensive library of over 1,273 agentic skills for various AI coding assistants, featuring clear documentation and installation instructions.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#3Pr AgentExcellent · 10012K stars

🚀 PR Agent: The Original Open-Source PR Reviewer. This project It is not the Qodo free tier.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#4Open DesignExcellent · 10076K stars

🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#5GiteaExcellent · 10056K stars

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#6HarnessExcellent · 10037K stars

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

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#7PosthogExcellent · 10035K stars

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#8PyroscopeExcellent · 10011K stars

Continuous Profiling Platform. Debug performance issues down to a single line of code

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#9Open Code ReviewExcellent · 10010K stars

Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

#10Agent OrchestratorExcellent · 1008.1K stars

Agentic orchestrator for parallel coding agents — plans tasks, spawns agents, and autonomously handles CI fixes, merge conflicts, and code reviews.

Best fit: High-confidence pick with strong adoption and healthy maintenance signals.

Related stack

Use these skills as part of a workflow.