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Claude Code Marketplaces

Discover Claude Code plugins, extensions, and tools. Automatically updated directory of Anthropic Claude AI marketplaces with development tools, productivity plugins, and integrations.

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Built for the Claude Code community with Claude Code by mertbuilds.com

Independent project, not affiliated with Anthropic
agentworkforce avatar

Creating Skills

agentworkforce/relay
719 starsApache-2.0
Summary

If you're writing skills for Claude Code, this is your style guide. It walks through the full structure: YAML frontmatter rules, how to write descriptions that Claude will actually find when searching ("Use when tests have race conditions" beats "For async testing"), and why gerund names work better. The degrees of freedom section is smart: be prescriptive for fragile operations, give principles for creative ones. Includes real examples of good versus bad code samples, token budgets for different skill types, and compression techniques to keep skills under 500 lines. Basically codifies what makes a skill discoverable and scannable instead of just another markdown file that gets ignored.

Install to Claude Code

npx -y skills add agentworkforce/relay --skill creating-skills --agent claude-code

Installs into .claude/skills of the current project.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
ego lite browserego lite browser
ego lite browser
Fastest browser for AI agents to run web automation tasks, always free.
Download Free life-time →
inference shell
inference shell
create and run specialised agents in minutes
build now →
CodeHealth MCP ServerCodeHealth MCP Server
CodeHealth MCP Server
Protect your code quality, stop the AI slop.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
ego lite browserego lite browser
ego lite browser
Fastest browser for AI agents to run web automation tasks, always free.
Download Free life-time →
inference shell
inference shell
create and run specialised agents in minutes
build now →
CodeHealth MCP ServerCodeHealth MCP Server
CodeHealth MCP Server
Protect your code quality, stop the AI slop.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Files
SKILL.md

Select a file.

Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
ego lite browserego lite browser
ego lite browser
Fastest browser for AI agents to run web automation tasks, always free.
Download Free life-time →
inference shell
inference shell
create and run specialised agents in minutes
build now →
CodeHealth MCP ServerCodeHealth MCP Server
CodeHealth MCP Server
Protect your code quality, stop the AI slop.
Try For Free →
Give your AI the whole web as clean markdownGive your AI the whole web as clean markdown
Give your AI the whole web as clean markdown
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
belt - the only tool your agent needs
belt - the only tool your agent needs
belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Agent, connect blockchain
Agent, connect blockchain
Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →
Categories
DocumentationCode Review & QualitySkill Development
First SeenJun 11, 2026
View on GitHub

More from agentworkforce/relay

All 18 skills →
  • Debugging Websocket Issues
  • Deploying To Staging Environment
  • Frontend Design
  • Github Oauth Nango Integration
  • Implementing Command Palettes
  • Prpm Json Best Practices
  • Relay 80 100 Workflow
  • Review Fix Signoff Loop
  • Setting Up Relayfile
  • Using Agent Relay
  • Writing Agent Relay Workflows
  • Browser Testing With Screenshots
  • Choosing Swarm Patterns
  • Creating Agent Skills Skill
  • Creating Claude Agents
  • Creating Claude Hooks
  • Creating Claude Rules

Recommended

More Documentation →
codeaholicguy avatar
technical-writer

codeaholicguy/ai-devkit

AI DevKit · Review and improve documentation for novice users. Use when users ask to review docs, improve documentation, audit README files, evaluate API docs, review guides, or improve technical writing.
1.3k
davila7 avatar
Top 100 Web Vulnerabilities Reference

davila7/claude-code-templates

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.
30.2k
huangjia2019 avatar
quality-checking

huangjia2019/claude-code-engineering

Validate API documentation against quality standards. Use when you need to verify generated docs are complete and correct.
826
jal-co avatar
shieldcn-badges

jal-co/shieldcn

Add beautiful shadcn/ui-styled README badges to projects using shieldcn. Use when adding badges, shields, or status indicators to README files, docs, or markdown. Triggers include "add badges", "add shields", "readme badges", "npm badge", "GitHub stars badge", "CI badge", "shieldcn", or any request to add project status badges to documentation.
374
mediar-ai avatar
brand-style

mediar-ai/screenpipe

Screenpipe brand style guide. Reference this when designing UI components, writing copy, or making visual decisions.
16.6k
metabase avatar
clojure-write

metabase/metabase

Guide Clojure and ClojureScript development using REPL-driven workflow, coding conventions, and best practices. Use when writing, developing, or refactoring Clojure/ClojureScript code.
45.8k