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

pixel-agents-research

0
@chonlim92

Research and testing of the Pixel Agents Extension to visualize and manage Claude Code agents and subagents.

updated May 2026

mcp-slack-bot

0
@yuandrk

Go Slack bot using Anthropic Claude with read-only MCP filesystem tools

updated May 2026

anthropic-tool-use

0
@amlplugins

Native @anthropic-ai/sdk SDK re-exported under @amlplugins — Anthropic Tool Use — Claude function calling: tool definitions, tool_use blocks, tool_result blocks, parallel tools.

updated May 2026

claude-test

0
@LemonLineage

trying to test claude code and try to make web extension.

updated May 2026

claude-code-inline-math

0
@OscarBarreraGithub

VS Code companion extension that patches Claude Code's webview to render inline LaTeX math

updated May 2026

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

0
@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

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

0
@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

0
@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

0
@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

0
@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

0
@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

0
@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

0
@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

0
@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

0
@Dessos

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

updated May 2026
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