Skills, subagents, slash commands, hooks, settings, plugin bundles and MCP servers that install into Claude Code. 375,738 indexed, measured the same four ways as everything else here.
Plugin Claude Code
Bundles 1 skill, 1 hook, 1 MCP server · 147 tokens together
Run and debug a live app from inside Claude Code: breakpoints and variable inspection in Chrome and Node.js, managed dev servers, and replayable call history so setup is never re-driven by hand.
soheilmomeniii/blindspot-check
Skill Claude CodeCodex
Checks a big decision for blind spots against a catalogue of 95 cognitive biases before the user commits. Use when the user is about to make or has just justified a major life decision and wants to be checked for self-deception — buying a house, relocating, signing a long lease or contract, quitting or taking a job…
Plugin Claude Code
Bundles 40 skills, 1 hook · 1,560 tokens together
Marketing OS for developerneurs and solopreneurs. Built for engineers shipping products with zero marketing experience required. Spec-driven campaigns with positioning-as-invariant enforcement and quality gate walls.
Skill Claude CodeCodex
Comprehensive LinkedIn personal branding analysis, profile optimization, and visibility improvement skill using Claude for Chrome browser tools. Use when users request LinkedIn profile analysis, personal branding audit, profile optimization recommendations, LinkedIn visibility improvement, headline optimization, About…
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Skill Claude CodeCodex
Onboard an unfamiliar NixOS or Home Manager flake by running nix-agent inspect-flake and generating AGENTMAP.md, CLAUDE.md, and .mcp.json from observed facts. Use on first contact with a config repo, when the user asks how the flake is laid out, or when making the repo agent-ready. Requires the nix-agent MCP server.
Skill Claude CodeCodex
A read-only tool for collecting all comments from a Bilibili video, including replies and pinned comments. Bilibili is a Chinese video-sharing platform.
Plugin Claude Code
Bundles 1 skill · 39 tokens together
Adaptive tutor skill with 10 teaching modes, active teaching tools, and a browser-based visual companion — runs code, creates exercises, generates interactive diagrams, quizzes, and walkthroughs. Makes Claude act as an interactive coach for learning any subject.
lunashia/code-generation-skill
Skill Claude Code
Use when the task involves generating, modifying, debugging, validating, or reviewing code. Do not use for non-code tasks.
Plugin Claude Code
Bundles 6 skills, 1 hook · 463 tokens together
Spec-driven development pipeline for Claude Code: interview-to-spec, spec-approach, tdd, verify, diagnose, and a feature orchestrator.
ChinaDaaS-Department/qibook-skills
Skill Claude Code
A Chinese-language lookup procedure for company registration details and links between companies and people, using the Qibook API. It can identify companies and look up items such as legal representatives, shareholders, executives, investments, and related businesses.
geekjourneyx/github-demand-radar
Skill Claude CodeCodex
A research workflow for examining issues and pull requests in a GitHub repository to find unmet needs that could become commercial tools. Pull requests are proposed code changes, and issues are reported problems or requested improvements.
Plugin Claude Code
Bundles 2 skills · 174 tokens together
CI/CD pipeline skills for Drupal projects — GitLab CI and GitHub Actions authoring, testing, and drush-based deployment.
Plugin Claude Code
Bundles 3 skills, 1 command · 192 tokens together
Java quality toolkit — security (OWASP), performance (N+1, memory, threading), and testing (JUnit 5, Mockito, Testcontainers) for Java 8+ projects.
Skill Claude CodeCodex
A guide for creating and checking editable Office files, including PowerPoint presentations, Word documents, PDFs, and Excel workbooks. It also covers checking layout, formulas, and file structure.
Plugin Claude Code
AI Development Conductor - Intelligent task management system with 50+ MCP tools and 5 specialized guardian agents for Claude Code.
Skill Claude CodeCodex
Build and debug MCP App-enabled tools in existing projects scaffolded by create-chapplin. Use when extending tools/.tsx with defineTool and defineApp , wiring structuredContent and meta for UI data flow, handling runtime differences across react/preact/solid/hono targets, or troubleshooting chapplin preview and…
formulahendry/agent-skill-code-runner
Skill Claude CodeCodex
Run code snippets in 30+ programming languages including JavaScript, Python, TypeScript, Java, C, C++, Go, Rust, Ruby, PHP, and more. Use when the user wants to execute code, test algorithms, verify output, run scripts, or check code behavior. Supports both interpreted and compiled languages.
Agent Claude Code
Exercise the implemented feature in a real browser via the chrome-devtools MCP against the running app at http://localhost:3000 and verify it meets the plan's acceptance criteria.
useful-skills/job-application-skills
Skill Claude CodeCodex
A company-research skill that investigates whether an employer appears financially and operationally safe. It separates official information, informal reports, and public records such as filings or labor data.
onfire7777/universal-ai-skills-library
Skill Claude CodeCodex
Use for verifying business requirements with executable specifications using BDD frameworks. Covers Cucumber (Java, JS, Ruby), SpecFlow/Reqnroll (C#), Behave (Python), Gauge (ThoughtWorks), and Godog (Go). Includes Gherkin feature files, step definitions, BDD workflow, and cross-language examples. USE FOR: Cucumber…
MCP server Claude CodeCodexCursor +2
Stop AI coding agents from leaking API keys. Local proxy swaps real secrets for phm tokens. Runs locally from the phantom-secrets-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "polymarket-agent-mcp" as configured in demwick/polymarket-agent-mcp. Runs dist/index.js with node.
MCP server Claude CodeCodexCursor +2
MCP server "h1b-search" as configured in aryaminus/h1b-job-search-mcp. Runs ${HOME}/path/to/mcp-server-template/src/server.py with python. Needs 1 environment variable to run.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: