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

8253entries
★ starsA–Z name

learn-codebase

19
@ktaletsk

The anti-vibe-coding skill. A Socratic tutor that teaches you codebases through questioning and active recall.

updated May 2026

se-cove-claude-plugin

19
@vertti

SE-CoVe: Software Engineering Chain-of-Verification plugin for Claude Code

updated Mar 2026

arize-claude-code-plugin

19
@Arize-ai

Arize Claude Code Plugin

updated May 2026

claude-dev-suite

19
@claude-dev-suite

Specialized agents, MCP servers, skills, and a visual dashboard for Claude Code. MIT.

updated Jun 2026

vibe-drift-tracker

19
@The-Vibe-Company

Vibe coding without creating AI Slop. Check in real time your Drift. VS Code Extension that integrates with Claude Code.

updated May 2026

shodan-mcp

19
@Vorota-ai

Shodan MCP server for Claude, Cursor & VS Code. 20 tools for passive reconnaissance, CVE/CPE intelligence, DNS analysis, and device search. 4 tools work free without an API key. OSINT and vulnerability research from your IDE.

updated Apr 2026

Genexus18MCP

19
@lennix1337

GeneXus 18 MCP server for Claude, Cursor, and AI agents — read, edit, analyze KB objects (transactions, web panels, procedures, SDTs) over the Model Context Protocol.

updated Jun 2026

vuln-scout

19
@allsmog

AI-powered whitebox penetration testing plugin for Claude Code. 9 languages, 22 skills, 7 autonomous agents. STRIDE threat modeling, OWASP 2025 coverage, polyglot monorepo support.

updated Jun 2026

pyxel-mcp

19
@kitao

MCP server for AI-assisted retro game development with Pyxel

updated Jun 2026

quicken-mac-mcp

19
@dweekly

MCP server providing read-only access to Quicken For Mac financial data via Claude

updated May 2026

ai-tools

19
@damusix

AI Tools to be installed as skills, plugins, etc.

updated May 2026

sentinel-ai

19
@MaxwellCalkin

Real-time AI safety guardrails for LLM apps. 10 scanners: prompt injection, PII, harmful content, code vulnerabilities, obfuscation detection. Sub-ms latency. Python + TypeScript SDKs. MCP proxy. Claude Code hooks.

updated May 2026

everything-mcp

19
@Josephur

MCP for Claude Code that allows it to use the HTTP plugin for Everything to search your file system

updated May 2026

code-mode-skill

19
@chenhunghan

Claude Code skill: add code mode to any MCP server for 65-99% context reduction

updated Apr 2026

unity-claude-skills

19
@Nice-Wolf-Studio

Comprehensive Unity 6 game engine Claude Code skills plugin. 20 skills covering the entire Unity documentation. Based on Unity 6.3 LTS.

updated Jun 2026

visionclaude

19
@mrdulasolutions

Vision Claude allows users to connect phone or meta ray bans to claude cowork and chat via MCP server hosted locally.

updated May 2026

seo-content-writer-claude-skill

19
@Yaroslavle

Full AI-assisted workflow for long-form SEO content. JTBD strategy · E-E-A-T · 5-phase production system · Built for B2B.

updated May 2026

nio

19
@core0-io

Execution assurance agent guard and observability for autonomous AI operating in production.

updated Jun 2026

claude-brain

19
@mikeadolan

Persistent memory for Claude Code. Local SQLite + MCP + hooks.

updated May 2026

swarm-code-plugin

19
@apoapps

Run opencode inside claude code

updated May 2026

totally-integrated-claude

19
@Czarnak

A Claude Code plugin for Siemens TIA Portal engineering automation.

updated Jun 2026

segundo-cerebro

19
@orobsonn

Personal knowledge graph MCP server on Cloudflare D1 + Vectorize. Deploy your own sovereign second brain in one click — Claude captures atomic concepts, finds cross-domain analogies, and links them with substantive justifications. Latticework thinking as a service, running entirely in your Cloudflare account.

updated May 2026

fnw

19
@zhaixin244-wq

A Claude Code plugin for process management from requirement sorting to delivery

updated Jun 2026

cc-blackbox

19
@softcane

A stop-loss for Claude Code: detects loops, compaction danger, failed tools, and token waste before the next request.

updated May 2026
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