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

8261entries
★ starsA–Z name

aionix

★ 1
@abstractivemachines

GNOME Shell extension for monitoring AI coding agents — Claude Code, Aider, Copilot, Cursor, and more

updated Mar 2026

achilles

★ 1
@democra-ai

The secret manager your AI agents can actually use. Local-first, MCP-native, zero cloud dependency. Desktop app + Chrome extension + CLI.

updated Jun 2026

ai-workflow-rules

★ 1
@robertdewilde-dev

Reusable AI workflow rules and skills for Claude Code — hub-and-spoke coordinator, role-based agents, tech-stack extensions

updated Apr 2026

nitpix

★ 1
@koziez

Chrome extension + local server for pixel-perfect UI review with Claude Code

updated Mar 2026

claude-commit

★ 1
@prokhororlov

AI-powered conventional commit message generator using Claude via Claude Code CLI — VS Code extension

updated Mar 2026

agentmarkb

★ 1
@carlotorniai

Agentic AI Knowledge Base Chrome Extension — Extract full web articles as Obsidian-compatible Markdown for RAG pipelines, AI agent swarms, and knowledge management. Built with Claude Code.

updated Mar 2026

dimmer

★ 1
@MaorZ19

VS Code extension to toggle MCP servers and Claude Code plugins on/off with profiles support

updated Feb 2026

claude-code-switcher

★ 1
@manuj10

VS Code extension to switch Claude Code between Pro/Max Plan and API Key mode

updated Aug 2026

vscode_claudecode_sendlater

★ 1
@V0latix

VS Code extension: queue prompts after rate-limit (Claude Code / Copilot) + token usage monitor

updated Apr 2026

JD.SemanticKernel.Extensions

★ 1
@JerrettDavis

Semantic Kernel extensions for Claude Code skills, hooks, context compaction, and semantic memory.

updated Oct 2026

mochify-cli

★ 1
@getmochify

High-performance Rust CLI & MCP Server for bulk image compression (AVIF, WebP, JXL, HEIC). Native speed, privacy-first, and AI-agent ready.

updated Sep 2026

codefluent

★ 1
@frederick-douglas-pearce

Open-source VS Code extension and web app that scores how effectively you collaborate with Claude Code, grounded in Anthropic's AI Fluency Research.

updated Jul 2026

applied-ai-anthropic-codepath

★ 1
@pstsantos

Weekly AI engineering projects built with Claude and the Anthropic API - covering agents, tools, and applied AI concepts through the CodePath x Anthropic course.

updated Apr 2026

clx

★ 1
@blackaxgit

🛡️ Rust CLI extension for Claude Code — LLM-powered command validation, SQLite context persistence & MCP tools. Two-layer safety (rules + Ollama), vector semantic search, and user-adaptive learning.

updated Aug 2026

Copilot-Skill-Bridge

★ 1
@MarcelRoozekrans

VS Code extension that bridges Claude Code marketplace skills into GitHub Copilot — discovers, converts, and imports skills with smart compatibility analysis

updated Oct 2026

youtube-watchlater-mcp

★ 1
@tulaman

MCP server for fetching your YouTube Watch Later playlist via yt-dlp

updated Mar 2026

lovespark-a11y-toolkit

★ 1
@Joona-t

Accessibility auditing toolkit — WCAG contrast checker, Claude Code slash commands, and a recursive improvement system for extension development

updated Jun 2026

claude-seo

★ 1
@fiya-chris-and-AI

SEO audit skill for Claude Code — interactive Fix & Preview engine, 15+ subagents, GSC extension

updated Sep 2026

OpenClaw-Dev-Skill

★ 1
@Cjy-CN

A skill that keeps Codex, Claude Code, and OpenClaw grounded in current OpenClaw docs for safe operations and reliable extension development.

updated Mar 2026

vscode-extension-opencode-claude-code-monitor

★ 1
@janzofx

Dashboard for monitoring OpenCode and Claude Code sessions

updated Apr 2026

claude-image-paste

★ 1
@marcucio

VS Code extension to paste clipboard images into Claude Code terminal sessions, including over Remote SSH

updated Aug 2026

ClaudeExtensions

★ 1
@PrafulSrivastava

Claude Code StatusLine hook that shows model, session cost, context window usage, and git branch in real time.

updated Apr 2026

copy-path-for-claude-code-vscode

★ 1
@inwpasit619

VS Code extension that copies file/folder references in Claude Code @-mention format (@path/to/file#L42-68).

updated May 2026

claude-agent-rs

★ 1
@ExpertVagabond

Rust-native Claude Code alternative — 5.4MB binary, $0 on Max, 8 tools, MCP client, semantic compaction, 19-event hooks. Built before the leak.

updated Sep 2026
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