Open-Source Directory — Claude / Anthropic

Claude
Tools

A curated index of extensions, plugins, MCP servers, hooks, and integrations for Claude — discovered from GitHub and refreshed daily.

Repository Growth — Last 30 Days

8281entries
★ starsA–Z name

loop-engineering-skills

★ 5
@victor-hac-work

Loop engineering for Claude Code — a skill that turns an idea into a production-grade, memory-backed agent loop. Classify, scope, derive state, emit a /loop-ready prompt. Stop prompting; design the loop.

updated Jul 2026

The-Ideal-Harness

★ 5
@bharat3645

Agent harness / control-plane around a stateless LLM: deterministic policy floor on PreToolUse/PostToolUse hooks, secret redaction, injection fencing, tool-result compression, code-graph memory, orchestration. Five plugin modules for Claude Code (Tier 1) or any MCP host (Tier 2). MIT.

updated Sep 2026

claude-guide

★ 5
@RainyRoot

A beginner-friendly guide to actually using Claude Chat, Claude Code, skills, subagents, and real project workflows.

updated Oct 2026

lynqu-ai-toolkit

★ 5
@Gravisun

Open-source Claude Skills + MCP for AI lead capture, lead research, sales follow-up & pipeline management — run Lynqu from Claude, ChatGPT & Cursor.

updated Sep 2026

claude-skills-czl

★ 5
@Cristhianzl

Battle-tested Claude Code configs — opinionated CLAUDE.md baselines, skills, slash commands and enforcement hooks you drop into any project

updated Sep 2026

claude_design_skill

★ 5
@chohra-med

A Claude Code skill that front-loads design tokens and rules so AI can only produce on-brand UI, then verifies the output.

updated Jul 2026

carryover

★ 5
@Cfvillarroel

💼 The portable memory layer for AI coding tools — one shared brain that follows you across Claude Code, Cursor, Windsurf & Conductor. Install once, never re-explain your project again.

updated Aug 2026

bouncer

★ 5
@karanb192

A one-file door-guard for coding agents — first-class on Claude Code (permissionDecision deny); portable to any agent with a blocking pre-exec hook.

updated Aug 2026

youtube-video-skills

★ 5
@iart-ai

Audiogram and YouTube intro/outro skills for Claude Code — brand your channel and repurpose every episode into motion graphics.

updated Oct 2026

freelance-motion-skills

★ 5
@iart-ai

The motion design business / freelance toolkit for Claude — brief, price, manage revisions, deliver, and document brand motion without the back-office guesswork.

updated Oct 2026

AI-SKILL-blender

★ 5
@LevyBytes

Agent Kaizen skill for Claude Code & Codex: faithful, identifier-preserving reference for Blender and the bpy Python API, operators, add-ons & extensions, .blend files, shader/geometry nodes, materials, F-curves, keyframes & animation, cameras, lights, rendering, linked libraries. Routes to six area subskills.

updated Oct 2026

text-message-video-skills

★ 5
@iart-ai

Text-message animation skills for AI coding agents — turn a chat script into a scroll-stopping iMessage/WhatsApp/SMS conversation video, rendered from a messages array.

updated Oct 2026

xche-ai-app-security-pack

★ 5
@xChechi

Free security guardrails for apps built with AI coding tools (Claude Code, Cursor, Lovable, Bolt). Drop-in rules + OWASP/LLM/MCP policy + secret-scanning hooks & CI gate.

updated Jun 2026

api-scam-hunter

★ 5
@astrozeta

Detect whether a cheap third-party Claude/GPT API key is actually a man-in-the-middle proxy that intercepts and degrades your traffic. Claude Code skill + check scripts + reporting guide.

updated Aug 2026

Florians-Claude-Code-Kit

★ 5
@FlorinI

Cross-platform Node status line for Claude Code, plus /handover, /handover-check, dialogue, grill-me and an RCA skill - conflict-safe mergeful installer (macOS/Linux/Windows).

updated Oct 2026

checkpoint-guard

★ 5
@platcrest

A Claude Code Stop hook that blocks fake checkpoints — turns that hand already-decided work back to you instead of doing it.

updated Jun 2026

fireraven-agent-hooks

★ 5
@fireravenai

FireGuard hooks for AI agents: protect Cursor, Claude Code, Windsurf, Devin, and Copilot Studio from secret leaks, unsafe commands, and prompt-borne threats before they execute.

updated Sep 2026

humanizer-it

★ 5
@ilyautov

Remove AI traces from Italian text — opensource (MIT) skill for Claude. The «IA-taliano»: English calques, nominal burocratese, missing intercalari/clitics. 52 patterns, 15 hard bans, dependency-free scanner. | Скилл для итальянского текста: убирает следы нейросети, 52 паттерна и 15 жёстких банов, сканер без зависимостей.

updated Oct 2026

seedance-storyboard

★ 5
@zcx960

把剧本文字一键转成 Seedance/即梦 文生视频分镜脚本 · A Claude Skill that turns screenplay text into Seedance video-generation storyboards

updated Oct 2026

design-mapper-skill

★ 5
@bilioveloso

Intelligent design brief router — entry point for the modular design skill system (color, effects, fonts, icons)

updated Sep 2026

open-razor-rgb-4-mac

★ 5
@nicmarti

Native macOS menu-bar app to control Razer BlackWidow V3 Pro RGB lighting without Synapse — pure IOKit, plus Claude Code hooks that turn the keyboard into a live status light

updated Oct 2026

skills

★ 5
@shyuan

A curated collection of Agent Skills for Claude Code and compatible agents.

updated Sep 2026

box

★ 5
@incidentfox

Box — self-hosted Claude Code in your pocket. Run real Claude Code & Codex sessions on your own server, driven from your phone (native chat UI, voice, files, skills, always-on).

updated Oct 2026

workplace-english-wingman

★ 5
@Rorogogogo

Natural Australian workplace English for ESL professionals — a Claude skill that polishes emails, Teams & Slack messages and saves ready-to-send files.

updated Jul 2026
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