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

8165entries
★ starsA–Z name

claude-code-rg-patcher

0
@X-15

Auto-patches the Anthropic Claude Code VSCode extension on Windows to fix the 'spawn rg.exe ENOENT' error.

updated Apr 2026

vora-voice-mcp

0
@stefanstojanovicstefa-creator

Voice + telephony MCP for autonomous AI agents. Pay per minute in USDC on Base via x402.

updated Apr 2026

sanity-tools

0
@ryankiley

Sanity batch tooling: bulk uploads, AI metadata generation, dormant migrations.

updated May 2026

sidds-claude-plugins

0
@siddvoh

Sidd's personal Claude Code marketplace: handcrafted plugins, productivity tools, and curated extensions.

updated Apr 2026

claude-code-available-tools

0
@AndreaBonn

Your Claude Code setup is powerful, but hard to see at a glance. This tool fixes that. A fast, interactive TUI that scans your global and project configurations, showing every slash command, subagent, skill, MCP server, hook, and env variable with live filtering and auto-refresh. Zero config required.

updated May 2026

learn-real-claude-code

0
@Raflimoon

Explore Claude Code source code to learn how Anthropic’s CLI harness works, from tools and permissions to context and streaming

updated Jun 2026

Anthropic-Leaked-Source-Code

0
@Communionlinefeed832

Explore leaked Claude Code source code for agent orchestration, tools, API layers, MCP, permissions, and prompt logic

updated Jun 2026

claude-code-inspector

0
@nemone81

Chrome extension + local Node.js bridge that lets you visually pick any DOM element on a page and dispatch a natural-language prompt to Claude Code.

updated Apr 2026

anthropic-study

0
@kripikroli

Notes, exercises, sample code, and notebooks for integrating Claude AI via the Anthropic API, covering core operations, advanced prompting, tool integration, and system architecture, with practical implementations of conversational AI, RAG, workflows, and multimodal apps.

updated May 2026

claude-image-tools

0
@kitepon-rgb

Operations hub for image-generation MCPs and Skills (openai-image / claude-mermaid / excalidraw / Anthropic Skills) — Windows

updated Apr 2026

pr-reader-extension

0
@masonstevens95

a VSCode plugin that helps read PRs using Claude Code

updated Apr 2026

vari-mcp

0
@getvari

Vari Hydration Tools — public MCP server for Claude Desktop, Cursor, and other MCP clients. Six deterministic hydration calculators (water intake, dehydration, pregnancy, kidney, athlete, energy-optimizer).

updated Apr 2026

claude-power-skills

0
@rabiinfrangible920

Boost Claude Code with 20 power-user skills for session management, multi-agent work, testing, and better estimates

updated Jun 2026

speedlens

0
@patil91ashish-pixel

Speed reading Chrome extension for Indian knowledge workers — Flash (RSVP) + Bionic modes, Razorpay/UPI payments, built with Claude Code

updated May 2026

claude-agent-sdk-telegram-bot

0
@OctavianTocan

Telegram bridge to Claude Code CLI. Streams thinking, tool calls, and results live.

updated May 2026

memdb-claude-memory-tool

0
@anatolykoptev

MemDB backend for Anthropic Claude memory tool (memory_20250818)

updated Apr 2026

cursor-ide-setup

0
@iallies

Initial setup and configuration of my development environment for Cursor IDE, including Claude Code and Codex extensions.

updated Apr 2026

claude-code-llm-proxy

0
@bharatsharma3092

Anthropic-compatible proxy for Claude Code — routes to OpenAI, Google Gemini, and Ollama. Auto model discovery, streaming, tool-use translation.

updated Apr 2026

structured-extraction-claude-config

0
@mufibra

5 structured-extraction patterns with the Anthropic Claude API: forced tool_use, output_config, multi-tool, validation-retry, batch.

updated May 2026

RBI-Source-MCP

0
@harshilmathur

Hosted MCP server for Reserve Bank of India regulatory citations. Paste a clause into Claude / ChatGPT / Cursor, get cited RBI provisions back. Retrieval-only, citation-first.

updated May 2026

vscode-claude-code-unspinner

0
@valentin-baron

Allow changing spinnerVerbs in claude code VS code extension the same way that claude code does.

updated Apr 2026

Claude-Code-Observability

0
@Rossini402

Lightweight observability dashboard for Claude Code multi-agent sessions. Real-time event stream, agent swimlanes, Pre/Post tool pairing.

updated Apr 2026

suggie

0
@ozgur-d

A VS Code extension that turns your local Claude Code CLI into context-aware inline code suggestions.

updated Apr 2026

community-anthropic-sdk-rust

0
@LudwigAJ

Idiomatic, typed, async Rust SDK for Anthropic's Claude API. Messages, streaming, tools, structured output, token counting, models, batches, and MCP helpers. Independent community project — not affiliated with Anthropic.

updated May 2026
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