#1
A comprehensive toolkit for enhancing GitHub Copilot with specialized agents, instructions, and workflows.
37K starsJul 18, 2026 pushdevelopment
$ npx skills add github/awesome-copilotAlternatives
Opentag alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Opentag
OpenTag connects Slack, GitHub, or Lark to a local coding agent, routing @mentions to AI agents and returning results in thread.
98
Quality
88
Trust
1.4K
Stars
#2
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#3
⚙️🦀 Build modular and scalable LLM Applications in Rust
8.1K starsAug 2, 2026 pushdevelopmentRustLLMOps
$ npx skills add 0xPlaygrounds/rig#4
Your agent writes bad React. This catches it
13K starsJun 14, 2026 pushdevelopmentTypeScriptCode Review
$ npx skills add millionco/react-doctor#5
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#6
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#7
Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
28K starsAug 6, 2026 pushdevelopmentCSSClaude Code
$ npx skills add Nutlope/hallmark#8
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#9
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#10
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#11
Reverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing + On-demand toolchain bootstrapping + Self-evolving knowledge base Supports Claude Code, Kiro, Cursor, Cline, and other AI coding clients 逆向/渗透/安全技能路由包 - AI 自动路由 + 按需自举工具链 + 自动进化经验库 | 支持 Claude Code / Kiro / Cursor / Cline 等代码 AI 客户端
26K starsAug 16, 2026 pushdevelopmentPowerShellClaude Code
$ npx skills add zhaoxuya520/reverse-skill#12
A comprehensive library of over 1,273 agentic skills for various AI coding assistants, featuring clear documentation and installation instructions.
44K starsJul 18, 2026 pushdevelopmentClaude Code
$ npx skills add sickn33/antigravity-awesome-skills#13
ShellCheck, a static analysis tool for shell scripts
40K starsJun 11, 2026 pushdevelopmentHaskellStatic Analysis
$ npx skills add koalaman/shellcheck#14
A tool to enforce Swift style and conventions.
20K starsJun 20, 2026 pushdevelopmentSwiftStatic Analysis
$ npx skills add realm/SwiftLint#15
A static analyzer for Java, C, C++, and Objective-C
16K starsJun 13, 2026 pushdevelopmentOCamlStatic Analysis
$ npx skills add facebook/infer#16
A tool to automatically fix PHP Coding Standards issues
14K starsJun 18, 2026 pushdevelopmentPHPStatic Analysis
$ npx skills add PHP-CS-Fixer/PHP-CS-FixerHow 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 Opentag 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.