#1
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/gitpodAlternatives
Mutant alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Mutant
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
94
Quality
84
Trust
2.2K
Stars
#2
🚀 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#3
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#4
Your agent writes bad React. This catches it
13K starsJun 14, 2026 pushdevelopmentTypeScriptCode Review
$ npx skills add millionco/react-doctor#5
🐶 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#6
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#7
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#8
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#9
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#10
🪨 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#11
Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
28K starsAug 6, 2026 pushdevelopmentCSSClaude Code
$ npx skills add Nutlope/hallmark#12
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#13
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-skills#14
A tool that converts codebases, SQL schemas, and other files into queryable knowledge graphs for AI coding assistants.
92K starsJul 20, 2026 pushdevelopmentPython
$ npx skills add Graphify-Labs/graphify#15
AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.
60K starsJul 13, 2026 pushdevelopmentJavaScriptClaude Code
$ npx skills add santifer/career-ops#16
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/codegraphHow 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 Mutant 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.