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

8257entries
★ starsA–Z name

langchain-anthropic

0
@amlplugins

Native @langchain/anthropic SDK re-exported under @amlplugins — LangChain Anthropic provider — ChatAnthropic with Claude models, tool use, prompt caching, vision.

updated May 2026

vercel-ai-anthropic

0
@amlplugins

Native @ai-sdk/anthropic SDK re-exported under @amlplugins — Vercel AI SDK Anthropic provider — Claude models with tool use, prompt caching, vision, computer use.

updated May 2026

claude-commit-preview

0
@hiren-ghodasara

VS Code extension: one-click AI commit messages preview using Claude Code CLI

updated May 2026

Website-Traffic-Analysis

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@twominutereports

AI-powered SEO analyst for Claude.ai — automatically audits traffic, diagnoses drops, finds content gaps, and delivers a 30-day action plan using your GA4 + Search Console data.

updated May 2026

claude-stream-collector

0
@xiangnuans

Consume Anthropic/Claude streaming events into a typed, complete result — accumulates tool_use input JSON deltas and merges cache token usage the SDK leaves to you. Zero deps, TypeScript.

updated May 2026

mcp-toolkit

0
@doublebash

Build OAuth-compliant Model Context Protocol (MCP) servers on Cloudflare Workers — bearers, OAuth, rate limiting, structured logging, typed tool dispatch.

updated May 2026

claude-switcher

0
@hltsenarslan

VSCode extension to switch Claude Code between Anthropic Cloud and local Ollama/LiteLLM endpoints

updated May 2026

pi-cas-provider

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@neevparikh

Pi extension: Claude provider via @anthropic-ai/claude-agent-sdk. Inherits Claude Code auth, supports fast mode on Opus.

updated May 2026

awesome-claude

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@hmzainjamil

Curated awesome list for Claude — prompts, skills, tools, integrations, resources

updated May 2026

claude-skills

0
@hmzainjamil

Claude Code skills library — official skill collection for Claude Code extensions

updated May 2026

claude-batch-tagger

0
@benjaminematton

Claude tool-use + Anthropic Batch API tagging pipeline (Python, SQLite)

updated May 2026

Claude-Marketplace

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@jzills

A modular marketplace of custom Claude Code skills, plugins, hooks, and AI workflow extensions built for reusable agentic developer workflows.

updated May 2026

AiTicketsClassifierWithTools.Api

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@nukri-tskvitaia

A lightweight ASP.NET Core Web API that uses Anthropic Claude to analyze customer support tickets and return structured AI-generated responses with Claude tool use with a predefined schema.

updated May 2026

LiferayDXPOsgiPortletToClientExtension

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@goblingift

PoC to validate the functionality of Claude-Code, to migrate an osgi-module (Portlet) into a Client-Extension for Liferay DXP 7.4

updated May 2026

anthropics-claude-plugins-official-aws-dev-toolkit

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@costrict-plugins-repo

costrict-plugins mirror of anthropics-claude-plugins-official-aws-dev-toolkit (auto-generated, do not edit)

updated May 2026

anthropics-claude-plugins-official-fastly-agent-toolkit

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@costrict-plugins-repo

costrict-plugins mirror of anthropics-claude-plugins-official-fastly-agent-toolkit (auto-generated, do not edit)

updated May 2026

anthropics-claude-plugins-official-pr-review-toolkit

0
@costrict-plugins-repo

costrict-plugins mirror of anthropics-claude-plugins-official-pr-review-toolkit (auto-generated, do not edit)

updated May 2026

anthropics-claude-plugins-official-shopify-ai-toolkit

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@costrict-plugins-repo

costrict-plugins mirror of anthropics-claude-plugins-official-shopify-ai-toolkit (auto-generated, do not edit)

updated May 2026

chrome-claude-bridge

0
@HarshitSingh-PM

Chrome extension + MCP server that streams browser context (console, network, DOM, JS eval) to Claude Code

updated May 2026

managed-agents-toolkit

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@Dessos

Project-agnostic backbone for using Anthropic's Claude Managed Agents beta against any project.

updated May 2026

claude-plugins

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@john-farina

Claude Code plugins by John Farina — build extensions, automate workflows, make Claude smarter about your project.

updated May 2026

flevinsky-ai

0
@FabianLevi

Cross-agent dev service runner + Claude Code plugin + Pi extension

updated May 2026

claude-skills-toolkit

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@vladimiracunadev-create

🧰 claude-skills-toolkit · ⚡ Skills agentic para Claude Code · 🔒 security-audit (12 capas: OSV/KEV/EPSS/SAST/...) · 📋 yaml-control · 📝 md-lint-fix · 🐳 docker-cleanup · Zero-deps por defecto · Cross-platform 🐧🍎🪟

updated May 2026

pr-review-extension

0
@jujunghan

Chrome extension MVP for reviewing GitHub PRs with Claude Code via local bridge server

updated May 2026
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