Everything for Claude Code

Skills, subagents, slash commands, hooks, settings, plugin bundles and MCP servers that install into Claude Code. 389,459 indexed, measured the same four ways as everything else here.

html-game-generator

2305

buildfastwithai/gen-ai-experiments

Skill Claude CodeCodex

Build a complete, polished, production-quality browser game inside a single self-contained HTML file using only vanilla HTML, CSS and JavaScript — no frameworks, no libraries, no external assets. Use this skill whenever the user asks for a game, a playable demo, a prototype, an interactive toy, or anything "inspired…

not rated 791 +1 9d ago A SkillSpector: warn 195 tokens original MIT

spec-generator

2306

mouredev/hello-sdd

Skill Claude Code

Usa esta skill cuando el usuario pida crear, redactar o revisar una especificación (spec) de una funcionalidad. Guía una entrevista de requisitos y produce un spec.md siguiendo la plantilla del equipo.

not rated 791 +6 2mo ago A SkillSpector: pass 46 tokens original Apache-2.0

self-improving-agent

2309

pskoett/self-improving-agent

Skill Claude CodeCodex

Captures and maintains learnings, errors, and corrections. Use when a command fails, the user corrects an assumption, a capability is missing, knowledge is outdated, or a better approach is found. Review relevant saved guidance before major tasks, reuse, and promotion; revalidate it according to what could change and…

not rated 789 +4 changed 16d ago A 72 tokens

sc-audit

2310

aeonfun/aeon

Skill Claude CodeCodex

Deep security audit of a smart-contract repo OR a live on-chain contract by address - detect Solidity, model the protocol invariants and trust boundaries first, run Slither (best-effort) plus a bounded agentic pass that hunts for a path breaking each invariant, triage, adversarially verify, prove with a fuzzer, and…

not rated 789 +2 changed 4d ago A 94 tokens original MIT

page-solution-design

2311

yunshu0909/yunshu_skillshub

Skill Claude CodeCodex

A structured process for deciding what a web page should do, what it should contain, how it should be arranged, and how it should look. It ends with a handoff package for development.

not rated 789 +1 changed 1mo ago A 390 tokens original MIT

menu-migration

2312

asmyshlyaev177/react-horizontal-scrolling-menu

Skill Claude CodeCodex

Detect and upgrade pre-v8 react-horizontal-scrolling-menu patterns that agents trained on older data still generate: destructured visibleElements/isFirstItemVisible/isLastItemVisible/initComplete (removed v6), Separator items, separatorClassName and getPrevItem/getNextItem (removed v7), the Arrows prop (removed v3)…

not rated 788 changed 1mo ago A SkillSpector: warn 160 tokens original MIT

fractal

2313

plasma-ai/fractal

Plugin Claude Code

Bundles 4 skills · 63 tokens together

Hierarchical agent loops with recursive self-organization.

not rated 788 +1 changed 13d ago A tokens not measured original Apache-2.0

zarazhangrui/beautiful-feishu-whiteboard

Skill Claude CodeCodex

A library of 35 curated colour palette styles for building beautiful, editable Feishu / Lark (飞书) whiteboards from SVG. Use this whenever the user wants to create or draw a Feishu whiteboard, infographic, diagram, poster, or visual explainer and wants it to look polished, on brand, or in a particular aesthetic, or…

not rated 788 +7 5mo ago A 155 tokens original MIT

code-migration

2315

anthropics/code-migration-kit-with-claude-code

Skill Claude CodeCodex ✓ vendor

Run a large-scale language migration with the six-step process: create the map and the rules, stress-test the rules, translate everything, compile, run it, match behavior. Use when the user wants to migrate, port, or rewrite a codebase from one language to another ("migrate this to Rust", "port our Python CLI to…

not rated 788 +8 4mo ago A 110 tokens

openocd

2316

zhinkgit/embeddedskills

Skill Claude Code

A toolkit for programming and debugging microcontrollers through hardware probes such as ST-Link or CMSIS-DAP. OpenOCD can act as a GDB Server, allowing a debugger to inspect source code, registers, memory, breakpoints, and program execution.

not rated 787 +9 19d ago A Socket: warnSnyk: passSkillSpector: pass 247 tokens original MIT

docling-mcp

2317

docling-project/docling-mcp

MCP server Claude CodeCodexCursor +2

Running Docling as an agent using tools. Runs locally from the docling-mcp Python package. Needs 14 environment variables to run.

not rated 787 +5 changed 12d ago A Socket: warn tokens not measured original MIT

four-steps

2318

getagentseal/founder-playbook

Skill Claude CodeCodex

Applies Steve Blank's Customer Development methodology from The Four Steps to the Epiphany. Use when a startup is searching for customers and a business model before scaling. Covers Customer Discovery, Customer Validation, Customer Creation, and Company Building. Triggers include 'we built it but no one's buying'…

not rated 786 +3 1mo ago A Socket: passSnyk: passSkillSpector: pass 148 tokens original MIT

mkosir/typescript-style-guide

Skill Claude CodeCodex

Apply, review, and explain discriminated unions in TypeScript. Use automatically for tasks involving mutually exclusive variants, invalid state prevention, exhaustiveness checking, variant-specific object properties, application state, function arguments, or React props.

not rated 785 2mo ago A Socket: passSnyk: passSkillSpector: warn 52 tokens original MIT

tiliondev/fortress

Skill Claude CodeCodex

Use when a web fetch is blocked — Cloudflare, DataDome, PerimeterX, Akamai, a 403/429, a CAPTCHA/"Press & Hold", "Access denied", an empty JavaScript shell, or a page whose data only appears after client-side rendering. Drives a real recompiled-Chromium stealth engine (Fortress) via the Fortress MCP to fetch, extract…

not rated 785 +3 4d ago A 130 tokens

check-ghostty-update

2321

termio-sh/termio

Skill Claude CodeCodex

Check whether ghostty (the terminal core termio embeds via the termio-sh/libghostty-swift fork) has shipped anything worth pulling since the binary termio is currently pinned to. Resolves the pinned ghostty sha, diffs it against ghostty main, filters the gap for changes that actually reach termio's embedded…

not rated 785 +34 5d ago A SkillSpector: pass 170 tokens original MIT

agent-team-manager

2323

countbot-ai/CountBot

Skill Claude CodeCodex

A command-line manager for teams of AI agents, where each agent has a role and the team can use different workflows or models.

not rated 783 +1 9d ago A SkillSpector: pass 76 tokens original MIT

seo-audit-full

2324

JeffLi1993/seo-audit-skill

Skill Claude CodeCodex needs its repo

Advanced full SEO audit skill. Runs its own full workflow from local scripts, including the basic SEO checks plus PageSpeed, social metadata, and advanced review modules when available.

not rated 783 +7 4mo ago A Socket: passSnyk: passSkillSpector: pass 39 tokens original MIT

cpu-kernels

2325

huggingface/kernels

Skill Claude Code ✓ vendor

Provides guidance for writing, optimizing, and benchmarking C++ CPU kernels with SIMD intrinsics (AVX2/AVX512) for the Hugging Face kernels ecosystem. Includes a two-phase workflow: Phase 1 correctness (generic → AVX2) and Phase 2 performance exploration (AVX512 with branching trial loop), runtime CPU dispatch, OpenMP…

not rated 783 yesterday A SkillSpector: pass 89 tokens original Apache-2.0

refactor-expert

2326

alirezarezvani/claude-code-tresor

Agent Claude Code

Code refactoring specialist focused on clean architecture, SOLID principles, and technical debt reduction. Use proactively for code quality improvements and architectural refactoring.

not rated 782 +1 4mo ago A 34 tokens original MIT

ima2

2327

lidge-jun/ima2-gen

Skill Claude CodeCodex

Use the ima2-gen CLI/server to generate, edit, inspect, and manage local AI image generation jobs.

not rated 782 changed 1mo ago A SkillSpector: warn 25 tokens original MIT

fablecut

2328

ronak-create/FableCut

Plugin Claude Code

Bundles 3 skills, 1 MCP server · 300 tokens together

A browser video editor you can drive from Claude Code. The timeline is one JSON document — patch it and the open editor hot-reloads in 150 ms. Cuts, keyframes, transitions, kinetic captions, chroma key, speed ramps, and MP4 export via ffmpeg.

not rated 782 +8 changed 11d ago A tokens not measured original MIT

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: