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

8240entries
★ starsA–Z name

agent-skills

1
@mattdweigand-sketch

Portable agent skill library for Codex, Claude Code, and other AGENTS-aware tools. Covers eval loops, research, writing, and project hygiene.

updated Jul 2026

claude-code-notifier-plus

1
@zekunyan

Get notifications when Claude Code needs your attention — works in both CLI and VS Code extension mode

updated Jun 2026

ai-usage-stats-gnome

1
@winarmendal

Local-first GNOME Shell extension showing Codex and Claude (Claude Code + Cowork) token usage and rate-limit percentages in the top bar

updated Jul 2026

benefits-toolkit

1
@benefits-il

Quality-of-life VS Code extension for Claude Code: RTL chat support, audio notification hooks, and conversation manager.

updated Jun 2026

skilllllllllll

1
@lkcv7299

🧰 Mi setup de Claude Code: skills de prompting (GPT-5.5, Fable 5, Opus 4.8) y arquitectura, frameworks de trabajo (round3 audit loop, verticals, session framing) y la extensión VS Code VozIA Cockpit.

updated Jun 2026

agentic-ways-of-working

1
@nino-chavez

Harness-agnostic agentic ways of working: one canonical principles doc, per-tool adapters, skills, and hooks. Extracted from a private setup, stripped of secrets and personal data.

updated Jul 2026

bryle-briones-portfolio

1
@Buraizuuu

Built entirely with AI. This portfolio was designed, written, and iterated using Claude (Anthropic) as the primary development tool — from UI/UX decisions and HTML/CSS architecture down to copy, accessibility checks, and deployment. It demonstrates what's possible when a QA engineer combines domain expertise with AI-assisted development.

updated Jul 2026

methodology-toolkit

1
@gagharutyunyan1993

Structured decision-making for Claude Code: a /method command, an auto-triggering methodology-driven-thinking skill, and a red-team-critic subagent over a shared 29-method index. Methods applied explicitly, not named.

updated May 2026

ai-assistant-claude

1
@app-pixels

Voice-to-text AI assistant — Anthropic Claude for the reply, Groq Whisper for STT. Claude can call device + web tools. Part of the app-pixels.com catalogue.

updated Jun 2026

corellium-mcp

1
@H4RR1SON

Code-mode Model Context Protocol (MCP) server for Corellium: the full 206-operation mobile-security API behind two tools, executed in a token-isolated V8 sandbox. Ships a token-efficiency A/B evaluator.

updated Jun 2026

claude-usage-dashboard

1
@Yarin-ops

Local dashboard for Claude Code usage — pay vs use, 5h block, activity heatmap, tool breakdown. Single HTML + one Python script. No API key, no account, no network calls.

updated May 2026

filing-analyst

1
@P51moustache

Filing Analyst: AI tool that reads SEC 10-K filings and outputs ~45 financial metrics and a 0-100 trade score, using the Claude API with structured outputs, prompt caching, and retries (FastAPI + React/TypeScript)

updated May 2026

Loupe

1
@Yeman-sker

Loupe — pin a real DOM element in your browser, hand the exact target + context to an AI coding agent (Claude Code / Codex) via MCP, and resolve. Local-first Chrome MV3 extension + daemon + MCP bridge.

updated Jun 2026

code-light

1
@Bayern4ever-dot

Lightweight desktop status monitoring for AI coding workflows. code-light monitors Codex and Claude Code status via VS Code extensions, displays real-time status in the system tray and desktop floating window, tracks token usage and package quotas, and enables one-click jumps to VS Code windows.监控Vscode中Claude Code和Codex的工作状态及套餐用量等信息的小程序

updated Jun 2026

glyphdown

1
@MikkoParkkola

Lossless, on-device token-cost reduction for Claude Code and LLM coding agents. Free plugin: compresses tool-result output, dedups context, compacts the system prompt — stacks on Anthropic prompt caching. Rust hot path, Python fallback, fail-open. PolyForm Noncommercial.

updated Jun 2026

mcp-xray

1
@ralforion

X-ray your MCP server — token tax, tool confusion, and surface bloat, distilled into one graded report.

updated Jun 2026

shopify-dev

1
@veyralabsgroup

Shopify developer skill for Claude Code - Liquid themes, custom apps, Storefront/Admin GraphQL, Hydrogen, CLI, checkout extensions. Live docs via Context7.

updated Jun 2026

shopify-suite

1
@veyralabsgroup

Shopify skill pack for Claude Code - developer tools and store auditor in one install

updated Jun 2026

ARIA-Research-Agent

1
@yukthapriya

Multi-agent AI system for autonomous academic research. Implements agentic pipelines, LLM orchestration, tool-use, context management, and real-time streaming — powered by Claude Sonnet 4.

updated Jun 2026

reno

1
@BANCUNXUEBI

Universal extension manager for AI coding tools: detect tools, scan repos, install Agent Skills, sync and remove safely.

updated Jun 2026

wov-mailer

1
@whimCrouwel

⚠️ Beta — AirtableからResend経由でメール一斉送信するmacOSアプリ。Claude Code MCP連携・複合ツール・コンテキストリソース・not_equalsフィルター対応

updated Jul 2026

cooper

1
@kunalkhosla

A portable, truly-agentic Claude AI for Home Assistant — grounds itself on any home via HA's built-in LLM Tools API. HACS integration + optional watcher add-on.

updated Jul 2026

team-forge

1
@shirleyfuxw

Meta-extension for Claude Code that auto-generates project-specific agent teams. 5-role coverage (work/verify/advise/tracker/monitor) with rehydrate-on-resume. Targets agent-teams primitive (experimental).

updated Jul 2026

asklens-vscode

1
@QingsongTan

VSCode extension: select text in Claude Code reply, hit shortcut, sidebar card explains it with full session context

updated Jun 2026
← PREV01...314315316317318...344NEXT →