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

vscode-agent-plans

0
@giovannidl

VS Code extension for quick access to agent plan files managed by Claude Code skills

updated May 2026

agentforge

0
@suhasmadupuri93

Typed agent framework — Pydantic tool contracts, Anthropic Claude reasoning, FastAPI serving

updated May 2026

pi-extensions

0
@ariadng

Features for Pi to work like Claude Code

updated May 2026

mcp-bizintel

0
@bch1212

Paid MCP server: real-time local business intelligence for AI agents — website audits, lead scoring, tech stack detection, business search

updated May 2026

picker

0
@yonathan95

Chrome extension that copies a clicked DOM element to your clipboard as Claude-Code-ready markdown.

updated May 2026

claude-tool-choice-modes

0
@rkendev

When Claude must act vs. can decide — a side-by-side showcase of the three tool_choice modes.

updated May 2026

claude-tools

0
@leonjean214

Claude Code quota check & auto-resume scripts

updated May 2026

litellm-bedrock-callbacks

0
@kingdoooo

LiteLLM CustomLogger extensions for fixing Claude Code + Bedrock long-output hang via SSE ping heartbeat

updated May 2026

claudepulse

0
@cubha

Claude Code Usage Dashboard VS Code Extension — workspace-aware billing, 5h window, project drilldown

updated May 2026

satoshkin-aml-mcp

0
@satoshkin-dev

MCP server for AML/KYT crypto wallet screening — connect Claude/ChatGPT to wallet risk checks

updated May 2026

saas-research-tool

0
@yuvraj-xyz

Give it a SaaS URL, get a full AI-generated sales research report

updated May 2026

command-palette-extension-claude

0
@brunolm

PowerToys Command Palette extension that runs `claude -p` and renders the response inline

updated May 2026

building-with-claude-api

0
@ChetuM10

Notes and exercises from Anthropic's "Building with the Claude API" course — covering API basics, prompt engineering, tool use, RAG, MCP, and agentic workflows.

updated May 2026

claude-code-limits-extension

0
@kkulebaev

GNOME Shell extension that shows local Claude Code usage (5-hour billing block and rolling 7-day cost/tokens) in the top panel, powered by ccusage.

updated May 2026

superset-claude-health

0
@yujiyamane

Apache Superset healthcare analytics demo — synthetic patient, staff, and meeting room data with custom NSW Health colour schemes

updated May 2026

agentive-rs

0
@hoobean1996

Rust agent runtime + Claude-Code-style TUI. ReAct/PlanAct, cassettes, browser+video extensions.

updated May 2026

codex-mastery-guide

0
@qinxujunai

OpenAI Codex complete guide — from registration to advanced AI-assisted programming. Covers CLI, IDE extensions, MCP, hooks, and Claude Code comparison.

updated May 2026

Obsidian-Content-Calendar-MCP

0
@weiqi-china

An MCP server that turns your Obsidian vault into an AI-powered content calendar. Works with Claude Desktop, Cursor, Cline, and ChatGPT.

updated May 2026

anthropic-openai-proxy

0
@GouYuShiYinZei

Zero-dependency Python proxy that lets Claude Code work with any OpenAI-compatible API. Real-time protocol translation with SSE streaming, tool calling, and image support. Interactive setup — paste your upstream URL and go.

updated May 2026

gss-toolkit

0
@oloyeaaa

Skills, CLIs, and Chrome extensions used to run GTM Signal Studio. All built with Claude Code.

updated May 2026

fix-claude-code-vscode-wsl

0
@Deleeete

This patch script fixes the issue where the Claude Code for VS Code extension fails to stream output correctly in the WSL environment.

updated May 2026

claude-code-harness

0
@umi3939

Hook / Skill / MCP / Agent integrated extensions for Claude Code (self-evolving development agent harness)

updated May 2026

grok-mcp-server

0
@auny-ai

Remote MCP server exposing xAI Grok live X (Twitter) search, web search, and chat as tools. Deploy your own copy to Cloudflare Workers in 4 commands.

updated May 2026

claude-md-ai-agents-starter

0
@sublimecoder

A drop-in CLAUDE.md for AI agent codebases — tool loops, multi-agent orchestration, RAG, MCP servers. Provider boundaries, typed tools, eval harness, cost budgets. From The Senior Engineer's AI Prompt Vault.

updated May 2026
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