Skills, subagents, slash commands, hooks, settings, plugin bundles and MCP servers that install into Claude Code. 386,642 indexed, measured the same four ways as everything else here.
Skill Claude CodeCodex
Debug and trace Atari Lynx games using the Gearlynx emulator MCP server. Provides workflows for 6502 CPU debugging, breakpoint management, hardware inspection, disassembly analysis, and execution tracing. Use when the user wants to debug a Lynx game, trace code execution, inspect CPU registers or hardware state, set…
Skill Claude CodeCodex
Search the internet with Google or DuckDuckGo, inspect results, and extract selected pages as readable Markdown. Use when answers require current web sources, JavaScript-rendered pages, or browser access that can handle bot protection. Prefer dedicated tools such as GitHub CLI for GitHub data and curl for direct files…
protectskills/MaliciousAgentSkillsBench
Skill Claude Code
This skill should be used when Claude Code needs to perform basic arithmetic calculations. It provides a Python script that safely evaluates mathematical expressions including addition, subtraction, multiplication, division, exponentiation, and square roots.
a-pavithraa/springboot-skills-marketplace
Plugin Claude Code
Plugin marketplace listing 5 plugins: springboot-architecture, mattpocock-picks, html-plan, grill-page, pstack.
Skill Claude Code
REQUIRED - Always activate FIRST on any git/VCS operations (commit, status, branch, push, etc.), especially when HEAD is detached. If .jj/ exists -> this is a Jujutsu (jj) repo - raw git commands can corrupt data. Essential git safety instructions inside. DO NOT IGNORE.
simplybychris/antigravity-plugin-cc
Plugin Claude Code
Bundles 1 skill, 7 commands, 1 agent · 228 tokens together
Use the Google Antigravity CLI (agy) from inside Claude Code — slash commands /agy:setup, /agy:ask, /agy:delegate, /agy:research, /agy:review, /agy:image, /agy:help. Supports per-call model selection via --model.
Skill Claude CodeCodex
Kanban orchestrator: decompose, route, verify. No executing.
Plugin Claude Code
THE RECORDER — capture your Claude Code sessions at source (Stop/SessionEnd hooks), keep the bytes forever, and query them through 7 cited-or-abstain MCP tools.
efremidze/swift-architecture-skill
Plugin Claude Code
Bundles 1 skill, 1 hook · 65 tokens together
Swift iOS architecture guidance and playbooks for MVVM, MVI, TCA, Clean Architecture, VIPER, MVP, Coordinator, and Reactive patterns. Use when designing, implementing, refactoring, or reviewing the architecture of a SwiftUI or UIKit feature, module, or codebase.
Skill Claude CodeCodex
Install, configure, and run the mcpls CLI — a Rust binary bridging MCP to LSP that gives an agent compiler-grade code intelligence (hover, definitions, references, diagnostics, rename). Use when setting up or registering mcpls as an MCP server, writing or debugging an mcpls.toml, choosing CLI flags or MCPLS…
Skill Claude CodeCodex
A Chinese-language chat role-play persona with a specified teenage, homebound character and deliberately provocative personality.
Skill Claude CodeCodex
Use when AI coding assistant needs GIS/CAD/C#/AI/IoT/3D domain expertise. Index of 115 skills across 8 categories: gis (40), cad (21), csharp (12), ai (17), iot (4), 3d (6), demos (4), others (11). Tag-based search and on-demand loading for GDAL, GeoServer, MapServer, Leaflet, PROJ, PostGIS, DuckDB Spatial, GeoLibre…
Skill Claude CodeCodex needs its repo
Guide for developing LLM agents based on PuerTsAgent framework — covers resource directory structure, system-prompt, skills, builtin modules, and best practices.
Skill Claude CodeCodex
A reusable job application workflow for Codex and other AI agents. Use when a user wants to set up or run an AI-assisted job search system: collecting a candidate profile, creating an application dashboard, defining screening and resume-routing rules, finding and ranking job leads, applying to jobs within explicit…
MCP server Claude CodeCodexCursor +2
MCP server exposing Postgres, Redis, Elasticsearch, MySQL, MongoDB, and LDAP as tools, with lazy connection management, retry, circuit breaking, per-connection read-only mode, and optional database drivers. Runs locally from the mcp-server-db npm package.
MCP server Claude CodeCodexCursor +2
Gives AI agents eyes and hands into running React Native apps: logs, REPL, tap, screenshots. Runs locally from the execbro npm package. Needs 1 environment variable to run.
Plugin Claude Code
Bundles 6 skills, 1 agent, 1 hook · 928 tokens together
A Korean-language set of six tax skills for South Korean HomeTax tasks. HomeTax is the government website used for tax filings, electronic tax invoices, and related work.
Skill Claude CodeCodex
A design skill for making high-fidelity prototypes, interactive demos, slides, animations, and design variations with HTML. It can also provide design-direction advice and expert reviews.
MCP server Claude CodeCodexCursor +2
FastMCP v2 server for NotebookLM automation with modern async support. Runs locally from the notebooklm-mcp Python package.
Skill Claude CodeCodex
The precise design and UI vocabulary used on index.how/to/articulate — covering typography, color, iconography, layout, interaction, motion, accessibility, information architecture, copywriting, tools, analysis, and components. Use when reaching for the exact word for a design concept ("what's the term for the space…
Command Claude Code needs its repo
Complete checklist for generating a full CRUD command package.
adityaarsharma/youtube-marketing-skills
Agent Claude Code
YouTube Video Updater Agent — bulk-optimises your product/brand videos for CTR, search rank, and LLM discoverability. Fixes links, injects keywords, improves timestamps, generates A/B title variants, posts pinned keyword comment. Sends full diff report before any live write.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "duckdb-go", hosted remotely at gitmcp.io, as configured in tobilg/caddy-duckdb-module.
Skill Claude CodeCodex needs its repo
Guide for creating or contributing modular knowledge to the gfagent skill. Use this when a user wants to teach gfagent a new trick or document an Apps Script parity oddity.
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: