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

8295entries
★ starsA–Z name

claude-sidekick

★ 8
@traaagrace

✦ Select text on any page, ask Claude instantly. A zero-dependency Chrome extension powered by your local Claude Code CLI — no API key, no server, streaming answers with multi-turn chat & markdown rendering.

updated Jul 2026

skillet

★ 8
@Brattlof

Package manager for MCP servers, Agent Skills (SKILL.md), and Claude Code commands, hooks, subagents, and output styles. Installs into Claude Code, Cursor, Codex, Gemini CLI, Copilot, and Cline.

updated Sep 2026

novel-creation-omnibus

★ 8
@limingnanyue

🖋️ 小说创作全能工坊 —— 从网文长篇到短篇故事,从番茄爆文到白描克制,从发刀虐心到通感痛觉,一站式搞定。25套创作工具,按需加载。

updated Aug 2026

talking-head-video

★ 8
@Vibetool

Turn a 口播/talking-head video + script into a polished vertical explainer — synced subtitles, animated Remotion knowledge graphics, and a circular PiP avatar. A Claude Agent Skill.

updated Oct 2026

skill-search

★ 8
@sowhan

Semantic, on-demand skill retrieval for Claude Code — replaces the per-turn skill-listing token tax with a vector retriever over full skill descriptions.

updated Jul 2026

claude-pcb-designer

★ 8
@SPREsxm

Open Agent Skill for PCB design, review, deterministic calculations, DFM, and fabrication release. Works with Codex, Claude Code, KiCad, and EasyEDA/嘉立创EDA.

updated Oct 2026

otelcol-doctor

★ 8
@s3onghyun

A Claude Code skill that writes, fixes, and validates OpenTelemetry Collector configs — processor order, core-vs-contrib, pull-vs-push exporters, the works.

updated Aug 2026

ailmanac

★ 8
@derob98

The field guide to Claude and AI tools that tells you when each page was last checked. 12 languages, interactive lessons, a Claude Code plugin and a cheat sheet.

updated Oct 2026

Text-Sentiment-Classifier

★ 8
@WangilaWakhongola

Batch sentiment analysis tool for CSV files using the Anthropic Claude API.

updated Aug 2026

mihomo-skill

★ 8
@TYBLHQY

Mihomo (虚空终端 / Clash Meta) skill for Claude Code - Complete proxy configuration guide

updated Oct 2026

agent-architecture

★ 8
@eshwarvijay

The 21 agentic design patterns, distilled to concepts (no code) — a design-phase reference for building AI agents. Works as a Claude Code skill.

updated Oct 2026

hedge-fund-committee

★ 8
@HenryLinyy

An investment research committee that runs inside Claude — analysts, a bull-vs-bear debate, risk audit, trader call, and PM sign-off in one conversation. Research only.

updated Sep 2026

Self-Improvement-Plugin

★ 8
@RasputinKaiser

A self-improvement harness plugin for Claude Code and ChatGPT / Codex: memory-aware startup, safer tool use, verification hooks, bounded fresh-context delegation, a deterministic task-graph runtime, and session closeout. Experimental, open-source, free.

updated Oct 2026

claude-skills-swarm

★ 8
@GPire

98-patent AI stack. Haiku reaches 93% of Fable 5 quality at 125x lower cost. Auto-activates from natural language.

updated Aug 2026

cc-switch-cli

★ 8
@bigwhite

CLI tool to manage AI provider configs for Claude Code (and more). Switch between API providers with one command, auto backup, atomic write.

updated Jul 2026

make-no-mistakes

★ 8
@momomuchu

Stop trusting 'done'. Make AI coding agents prove their work — frozen specs, tamper-detected tests, an independent blind verifier, hard-blocking gates. Fails loudly instead of pretending. For Claude Code, Codex, OpenCode & any Agent Skills runtime. No unverified work passes.

updated Aug 2026

developer-skills

★ 8
@sgomez

Unattended PRD delivery for Claude Code

updated Oct 2026

cyxj-remotion-starter

★ 8
@chenyuxiaojin

用 Claude Code 指挥 Remotion 出视频的工作台脚手架:三层架构 + hooks 守规矩 + skills 编排流程 | by 陈与小金

updated Oct 2026

positioning-with-ekram

★ 8
@soheilmomeniii

Makes a company, product, book, or personal brand legible, desirable, and inevitable, then writes the copy to match. An agent skill built on the Ekram Method.

updated Aug 2026

omp-claude-bridge

★ 8
@DevVig

Run Claude Code natively inside Oh My Pi — AskClaude tool + switchable 1M/200K context window

updated Oct 2026

claude-scheduler

★ 8
@tornikegomareli

Native macOS app that runs headless Claude Code tasks on a launchd schedule hooks, token tracking, and an agent-friendly CLI

updated Sep 2026

nunchi

★ 8
@seob717

Compile CLAUDE.md rules into trigger-bound hooks — a Claude Code plugin that delivers each rule at the moment it matters.

updated Aug 2026

proprio-punho

★ 8
@simiao-cavalcante

Skill de IA que clona o seu estilo de escrita jurídica: a minuta sai com a sua estrutura, vocabulário e voz — sem cara de ChatGPT. A IA escreve, você assina.

updated Oct 2026

x-growth-stack

★ 8
@apcornation

A Claude skill that runs a proven X (Twitter) growth playbook — rewrites your bio, finds trends to ride, surfaces who to reply to, and drafts native-style posts by reading your own logged-in X. Based on a real +1,000 followers in 2 weeks.

updated Oct 2026
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