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

ml-training-window-assessor

0
@wan-huiyan

Drift-aware training window extension assessment for production ML pipelines. Claude Code skill.

updated Apr 2026

Anthropic

0
@ethakur217

developers how to integrate Claude AI into applications using the Anthropic API. The curriculum covers fundamental API operations, advanced prompting techniques, tool integration, and architectural patterns for building AI-powered systems.

updated Mar 2026

claudeskills

0
@sharmasundip

A collection of high-performance Claude skills and MCP servers. Featured: API Design Reviewer for REST, GraphQL, and gRPC audits.

updated Mar 2026

jakes-devkit

0
@Davis-County

Interactive MCP server & VS Code extension installer for Claude Code onboarding

updated Mar 2026

exodus-claude-plugin

0
@sadnescity

Claude Code Plugin for the Exodus MCP extension

updated Mar 2026

termicode

0
@OrenZak

VS Code extension - Claude Code CLI as a first-class integrated terminal

updated Apr 2026

chrome-extension-skill

0
@rheav

Claude Code skill for building Chrome extensions with Manifest V3

updated Mar 2026

claude-code-vscode

0
@joaosczip

A VSCode extension to interact with Claude Code instances running on the terminal

updated Mar 2026

claude-plugins

0
@amp-rh

Public plugin marketplace for Claude Code extensions

updated Apr 2026

promptic

0
@cppis

MCP tool that analyzes your prompts — scores quality, reveals what AI inferred vs. missed, and tracks improvement over time. Works with Claude Desktop & Claude Code.

updated Mar 2026

bedrockanthropicapi

0
@bhill00

Guide: Using Claude/Anthropic-compatible AI tools with UC protected data via AWS Bedrock

updated Mar 2026

claude-project

0
@infraax

Project context system for Claude Code — .claude-project file, diary MCP, CLI, VS Code extension

updated Mar 2026

claude-code-project-starters

0
@CodyLunders

Ready-to-clone .claude/ configurations for React, Python, Node, TypeScript, SaaS, Chrome Extension, Data Science, and React Native projects. By RuneForge AI.

updated Mar 2026

claude-for-it-security

0
@JGDallas

Practical guides helping IT security professionals leverage Claude/Anthropic AI tools in their career and daily work

updated Mar 2026

claude-tasks-ext

0
@kbrandwijk

VS Code extension for live visibility into Claude Code background tasks

updated Mar 2026

ergo-pm-tool

0
@natharvey

Full-stack project management tool built with FastAPI, SQLite, and vanilla JS — features AI-powered plain-English project updates via the Anthropic Claude API.

updated Apr 2026

claude2api-deploy

0
@dmvait8534

Deploy a proxy that converts Claude.ai sessions into a standard Anthropic API with streaming, tools, and image support.

updated Jun 2026

claude-skills

0
@Stoica-Mihai

Curated Claude Code plugin marketplace — OpenSpec extensions and autonomous development workflows

updated May 2026

agent-extensions

0
@swaps-xyz

Team-specific Claude Code skills for the Swaps team

updated Mar 2026

claude-monitor

0
@nathnenne

Chrome extension + local server for real-time Claude Code usage & system performance monitoring

updated Mar 2026

send-to-claude

0
@sohil404

Chrome extension to send any webpage or selected text to Claude Code with one click

updated Mar 2026

pattern-kits

0
@Bright-Fox-Digital-88

Transferable pattern kits for AI agent orchestration (GSD) and Claude Code extensions (TACHES)

updated Mar 2026

claude-code-toolkit

0
@timholm

Collection of fixes, hooks, guards, and extensions for Claude Code CLI

updated Mar 2026

vscode-claude-code-bridge

0
@andrewmkhoury

VS Code extension + MCP server that expose VS Code workspace intelligence (symbols, diagnostics, references, definitions, search) to Claude Code

updated Mar 2026
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