#1
Your agent writes bad React. This catches it
13K starsJun 14, 2026 pushdevelopmentTypeScriptCode Review
$ npx skills add millionco/react-doctorAlternatives
Danger Js alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Danger Js
⚠️ Stop saying "you forgot to …" in code review
95
Quality
86
Trust
5.5K
Stars
#2
🐶 Automated code review tool integrated with any code analysis tools regardless of programming language
9.4K starsJun 12, 2026 pushdevelopmentGoCode Review
$ npx skills add reviewdog/reviewdog#3
The developer platform for on-demand cloud development environments to create software faster and more securely.
14K starsJun 12, 2026 pushdevelopmentTypeScriptCode Review
$ npx skills add gitpod-io/gitpod#4
Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click.
9.1K starsOct 2, 2026 pushdevelopmentTypeScriptCode Review
$ npx skills add backnotprop/plannotator#5
Pre-indexed code knowledge graph for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, and Hermes Agent — fewer tokens, fewer tool calls, 100% local
54K starsJun 24, 2026 pushdevelopmentTypeScriptClaude Code
$ npx skills add colbymchenry/codegraph#6
🚀 PR Agent: The Original Open-Source PR Reviewer. This project It is not the Qodo free tier.
12K starsJun 6, 2026 pushdevelopmentPythonCode Review
$ npx skills add The-PR-Agent/pr-agent#7
A Claude Code plugin that shows what's happening - context usage, active tools, running agents, and todo progress
27K starsJul 16, 2026 pushdevelopmentJavaScriptClaude Code
$ npx skills add jarrodwatts/claude-hud#8
🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
29K starsJun 20, 2026 pushdevelopmentTypeScriptLLMOps
$ npx skills add langfuse/langfuse#9
The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.
4.5K starsAug 8, 2026 pushdevelopmentTypeScriptLLMOps
$ npx skills add Agenta-AI/agenta#10
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
41K starsJul 16, 2026 pushdevelopmentJavaScriptClaude Code
$ npx skills add coreyhaines31/marketingskills#11
FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models
141K starsJun 12, 2026 pushdevelopmentClaude CodeCursor
$ npx skills add x1xhlol/system-prompts-and-models-of-ai-tools#12
Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.
28K starsSep 1, 2026 pushdevelopmentPythonClaude Code
$ npx skills add virgiliojr94/book-to-skill#13
The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.
27K starsJun 25, 2026 pushdevelopmentPythonLLMOps
$ npx skills add mlflow/mlflow#14
🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman
97K starsAug 11, 2026 pushdevelopmentJavaScriptClaude Code
$ npx skills add JuliusBrussee/caveman#15
Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
28K starsAug 6, 2026 pushdevelopmentCSSClaude Code
$ npx skills add Nutlope/hallmark#16
A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.
175K starsApr 20, 2026 pushdevelopmentClaude Code
$ npx skills add multica-ai/andrej-karpathy-skillsHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Danger Js if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.