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

chrome-bridge

1
@frsorrentino

Chrome Bridge: MCP server for browser automation via Chrome extension (ChromeOS/Crostini)

updated Jul 2026

personal-assistant

1
@lukeewarmcoder

AI personal assistant backend — dual LLM (Gemini + Claude), 15+ tools, voice I/O, per-user memory, JWT-style auth, and rate limiting. Built with FastAPI. Supports web UI and Tkinter desktop GUI.

updated Mar 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

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 Jul 2026

claude-flet-plugin

1
@brunobrown

A Claude Code plugin that provides expert knowledge for building Python apps and extensions with the framework.

updated Jul 2026

databridge-d365

1
@YashPatel45

AI-assisted data migration mapping tool for Microsoft Dynamics 365 - parse legacy schemas, auto-map fields with Claude AI, manage SME approvals, and export STTM documents as PDF, Excel, JSON, or Python scripts.

updated Apr 2026

youtube-watchlater-mcp

1
@tulaman

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

updated Mar 2026

mango

1
@jj-valentine

Daily email digest aggregator; self-hosted tool using Claude AI to summarise YouTube, RSS feeds & APIs.

updated May 2026

claude-guard

1
@mooalot

VS Code extension to visualize and manage Claude Code deny rules. See protected files at a glance and add/remove permissions via right-click.

updated Mar 2026

llm-prettier

1
@amaruki

A zero-dependency CLI tool to prettify JSON into a beautiful, interactive, and searchable HTML viewer. Built to easily parse embedded LLM payloads.

updated Mar 2026

claude-imagine

1
@prenats

MCP server for generating images in Claude Code — supports local image generation tools like ComfyUI and other backends

updated Jun 2026

Ciao-ChatGpt-Bonjour-Claude

1
@mindattic

JavaScript migration tool exporting full ChatGPT conversation history into Claude Projects via the Anthropic API.

updated May 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

raven-nest-mcp

1
@tidynest

MCP server for AI-driven penetration testing. Wraps 22 security tools (nmap, nuclei, sqlmap, Metasploit…) as 43 safety-hardened MCP tools for Claude and LLM agents. Written in Rust.

updated Jul 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

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

MCP-OpenAI-Project-Setup

1
@pavithrakumar1118

Alternative implementation of the Anthropic Model Context Protocol (MCP) course project using OpenAI API instead of Claude. Learn how to build MCP clients, servers, tools, and prompts with Python while following the official MCP architecture for AI agents and LLM tool integration.

updated Mar 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 Jul 2026

swarm-builder-claude-cli-skill

1
@Joona-t

15-agent orchestration skill for Claude Code CLI — 6 Opus leads, 7 Sonnet specialists, 2 utility agents with scope boundaries, position-locked cross-feed, and 4-wave execution for building, auditing, and shipping browser extensions

updated Mar 2026

skill--chrome-extension-dev

1
@HartreeWorks

Claude Code skill for developing and testing Chrome extensions using Claude in Chrome MCP tools

updated Apr 2026

pinpoints

1
@M4T1SS3

VS Code extension to capture structured, DOM-aware UI context instead of screenshots

updated Apr 2026

Anthropics

1
@Dhruv18052003-web

Hands-on implementation of production-grade AI practices using the Anthropic Claude API, covering Prompt Engineering, RAG, and Tool Use

updated Jul 2026
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