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

gh-board

★ 1
@cristianargotti

GitHub Projects for teams that work with AI coding agents: a gh extension with a board.yml per team, guards for Claude Code, Cursor and Codex, plans a human applies, alerts without a server

updated Oct 2026

gh-comments

★ 1
@romansod

Read a GitHub PR's or issue's discussion as compact, grep-friendly text, review threads and their resolution state included. gh extension and Claude Code plugin.

updated Oct 2026

spicerack

★ 1
@cwade12c

A rack of skills, configs, and extensions for agent friends

updated Oct 2026

claude-agent-tools

★ 1
@paxon-yang

Automatic model routing + live agent dashboard for Claude Code. Haiku for lookups, Sonnet for daily work, Opus to orchestrate - watch every agent, model and dollar in real time.

updated Oct 2026

claude-nim

★ 1
@rianprei

Proxy Anthropic Messages API para Claude Code: modelos NVIDIA NIM + passthrough Anthropic real. Binário Rust único ~2MB, streaming SSE, tool calling, thinking nativo, fallback com circuit breaker.

updated Oct 2026

sketchup-mcp

★ 1
@2ez4gcx

SketchUp MCP server: let Claude and other AI assistants work directly in SketchUp - quantity takeoff, modelling, materials, screenshots, exports, Ruby. One-click Claude Desktop extension (.mcpb), no Python needed.

updated Oct 2026

claude-code-ledger

★ 1
@caiqianha

Local-first cost & tool-call audit for Claude Code. Finds wasted context: repeated reads, blind retries, huge tool outputs.

updated Oct 2026

claude-lumo

★ 1
@jimspurgeon

This tool lets you use Proton Lumo as a backend with Claude Code. It is not endorsed by or affiliated with Proton or Anthropic

updated Oct 2026

agent-session-radar

★ 1
@philippru

VS Code extension that shows all your AI coding agent sessions (Claude Code, Codex) at a glance: running, waiting for you, done.

updated Oct 2026

pi-image-limits

★ 1
@YanzuoLu

Pi extension that sizes images and trims them from requests the way Claude Code does, for every model

updated Oct 2026

duckdb-extension-skills

★ 1
@alitrack

One Claude Code marketplace for DuckDB extension skills — verified, source-checked, maintained by extension developers. Official duckdb-skills + community extension plugins.

updated Oct 2026

agent-sessions

★ 1
@Zzz141592653

Local Cursor extension for browsing OMP and Claude Code sessions.

updated Oct 2026

agent-workspace-reader

★ 1
@adamotte

🤖📂 Browser extension to read the folders your AI agents write to: reports, plans, memory, skills, logs, CSV and code, rendered from file:// with a folder tree, wiki links, Mermaid and 15 themes. Local and read-only.

updated Oct 2026

AskAiExtension-CommandPalette

★ 1
@RicardoMzm

PowerToys 命令面板扩展:输入一句话,直接丢给浏览器里的 AI(Tabbit/Perplexity 等)或在本机 Claude Code 里执行

updated Oct 2026

claude-zen

★ 1
@rabden

Run Claude Code on OpenCode Zen's free models — zero-dependency local gateway with working tools

updated Oct 2026

awesome-mcp-korea

★ 0
@avinash1441

Curate and access MCP servers and tools tailored for Korea’s legal, commerce, public data, finance, and real estate sectors.

updated Oct 2026

claude-code-clipboard

★ 0
@mister-scott

VSCode Extension to automate some steps in modification of code based on AI generated snippets.

updated Oct 2024

eyedid-android-gaze-cursor-with-claude-mcp

★ 0
@eorua8801
updated Apr 2026

mcp-autostarter

★ 0
@199-mcp

Intelligent MCP server that restarts Claude's MCP handler process without disrupting the UI

updated Jun 2025

Claude-Code-ULauncher-Extension

★ 0
@1jehuang
updated Mar 2026

claude-code-image-support

★ 0
@gabacool

VS Code extension adding image paste, drag-drop, and attachment support to Claude Code

updated Jul 2025

ClaudeCodeVSCodeExtension

★ 0
@prgazevedo

⚠️ DEPRECATED - Archived GitHub Pages site for deprecated Claude Config Manager VSCode extension. No longer maintained.

updated Nov 2025

claude-code-doc-gen-ext

★ 0
@AdamManuel-dev

Claude Code Documentation Generation Automation Extension using the slash commands and hooks

updated Jul 2025

claude-code-autopilot

★ 0
@blaineyeager

Autonomous execution and validation extension for Claude Code with multi-agent testing

updated Jul 2025
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