Alternatives

Hallmark alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

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Current skill

Hallmark

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

100

Quality

Trust

3.1K

Stars

Marketingskills

Similarity 128Trust 98Excellent 100

Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

33K starsJun 13, 2026 pushdevelopmentJavaScriptClaude Code

$ npx skills add coreyhaines31/marketingskills

Huashu Design

Similarity 127Trust 98Excellent 100

Huashu Design · HTML-native design skill for Claude Code · Claude Code 里 HTML 原生的设计 skill · 高保真原型 / 幻灯片 / 动画 + 20 设计哲学 + 5 维评审 + MP4 导出 · Agent-agnostic

19K starsJun 6, 2026 pushdevelopmentHTMLClaude Code

$ npx skills add alchaincyf/huashu-design

Humanizer

Similarity 127Trust 95Excellent 100

Claude Code skill that removes signs of AI-generated writing from text

24K starsJun 7, 2026 pushdevelopmentClaude Code

$ npx skills add blader/humanizer

Andrej Karpathy Skills

Similarity 127Trust 91Excellent 100

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

Claude Skills

Similarity 126Trust 97Excellent 100

66 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.

9.9K starsMay 20, 2026 pushdevelopmentPythonClaude Code

$ npx skills add Jeffallan/claude-skills

GEO-first SEO skill for Claude Code. Comprehensive AI search optimization for any website — citability scoring, AI crawler analysis, brand authority, schema markup, platform-specific optimization, and PDF reports. If you want learn how to sell this to real businesses, check out the skool community

8.1K starsMay 27, 2026 pushdevelopmentPythonClaude Code

$ npx skills add zubair-trabzada/geo-seo-claude

Claude Code Infrastructure Showcase

Similarity 126Trust 94Excellent 100

Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents

9.7K starsApr 17, 2026 pushdevelopmentShellClaude Code

$ npx skills add diet103/claude-code-infrastructure-showcase

Claude Ads

Similarity 125Trust 97Excellent 100

Comprehensive paid advertising audit & optimization skill for Claude Code. 250+ checks across Google, Meta, YouTube, LinkedIn, TikTok, Microsoft & Apple Ads with weighted scoring, parallel agents, industry templates, and AI creative generation.

6.0K starsJun 5, 2026 pushdevelopmentPythonClaude Code

$ npx skills add AgriciDaniel/claude-ads

Book To Skill

Similarity 125Trust 97Excellent 100

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

5.5K starsJun 12, 2026 pushdevelopmentPythonClaude Code

$ npx skills add virgiliojr94/book-to-skill

#10

Android Reverse Engineering Skill

Similarity 124Trust 92Excellent 100

Claude Code skill to support Android app's reverse engineering

6.1K starsJun 10, 2026 pushdevelopmentShellClaude Code

$ npx skills add SimoneAvogadro/android-reverse-engineering-skill

#11

Research Paper Writing Skills

Similarity 124Trust 94Excellent 100

Skill package for ML/CV/NLP paper writing, curated and adapted from Prof. Peng Sida's open notes for Codex, Claude Code, and Gemini.

3.8K starsApr 23, 2026 pushdevelopmentClaude CodeOpenAI Agents

$ npx skills add Master-cai/Research-Paper-Writing-Skills

#12

Product Manager Skills

Similarity 124Trust 90Excellent 100

Product Management skills framework built on battle-tested methods for Claude Code, Cowork, Codex, and AI agents.

5.1K starsMay 20, 2026 pushdevelopmentShellClaude Code

$ npx skills add deanpeters/Product-Manager-Skills

#13

Darwin Skill

Similarity 124Trust 91Excellent 100

达尔文.skill —— 一个让你的Skill无限进化的系统：评估→改进→测试→保留或回滚 | Autoresearch-inspired autonomous skill optimization for Claude Code. Evaluate, improve, test, keep or revert.

4.0K starsJun 14, 2026 pushdevelopmentHTMLClaude Code

$ npx skills add alchaincyf/darwin-skill

#14

Raptor

Similarity 123Trust 93Excellent 100

Raptor turns Claude Code into a general-purpose AI offensive/defensive security agent. By using Claude.md and creating rules, sub-agents, and skills, and orchestrating security tool usage, we configure the agent for adversarial thinking, and perform research or attack/defense operations.

3.0K starsJun 14, 2026 pushdevelopmentPythonClaude Code

$ npx skills add gadievron/raptor

#15

Agentic Stack

Similarity 123Trust 96Excellent 100

One brain, many harnesses. Portable .agent/ folder (memory + skills + protocols) that plugs into Claude Code, Cursor, Windsurf, OpenCode, OpenClaw, Hermes, or DIY Python — and keeps its knowledge when you switch.

2.1K starsMay 25, 2026 pushdevelopmentPythonClaude Code

$ npx skills add codejunkie99/agentic-stack

#16

Claude Trading Skills

Similarity 123Trust 96Excellent 100

Claude Code skills for equity investors and traders — market analysis, technical charting, economic calendars, screeners, and trading strategy development.

1.9K starsJun 14, 2026 pushdevelopmentPythonClaude Code

$ npx skills add tradermonty/claude-trading-skills

How 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 Hallmark if it already passes your workflow test and repository review.

Next step

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Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.