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

academic-research-plugin

11
@JeanDiable

Claude Code plugin for academic research workflows — literature surveys, paper reviews, citation management, and more

updated Jun 2026

claude-code-antiregression-setup

11
@CreatmanCEO

Stop Claude Code from breaking your projects. Ready-to-use CLAUDE.md templates, subagents, hooks, and anti-regression configs.

updated Apr 2026

ai-vampire-guard

11
@cbruyndoncx

Monitor your Claude Code burn rate. Prevent AI-amplified burnout. Single-file Python script with SVG gauge, trend sparkline, and automatic hooks.

updated May 2026

Nreki

11
@Ruso-0

MCP plugin that saves 50%+ tokens per session for AI coding agents. Validates edits in RAM (TypeScript + gopls + pyright), auto-heals errors, catches broken code before it hits disk. Patch mode cuts output tokens 30x. 98% compression on reads. 729 tests. Zero cloud.

updated May 2026

pm-pilot

11
@mshadmanrahman

Claude Code configured for PMs. Meeting prep, PRDs, stakeholder intel — 25 skills, ready to install.

updated May 2026

prism-scanner

11
@aidongise-cell

Open-source security scanner for AI Agent skills, plugins & MCP servers. 39 detection rules. pip install prism-scanner

updated May 2026

oh-my-harness

11
@kyu1204

Tame your AI coding agents with natural language. Generate enforced guardrails (CLAUDE.md, hooks, settings) from a single command.

updated Jun 2026

jko-claude-plugins

11
@johnkozaris

Claude Code plugin marketplace — Rust, ESP32 C++, Python backend, SwiftUI, dead code detection

updated Jun 2026

vulca

11
@vulca-org

Agent-native image-editing SDK for Claude Code. 21 MCP tools + /decompose skill — semantic layer splits, L1–L5 cultural scoring, region inpaint. Powered by ComfyUI, Gemini, or mock.

updated May 2026

reineira-code

11
@ReineiraOS

AI-assisted plugin development for ReineiraOS

updated May 2026

obsidian-llm-hub

11
@takeshy

Obsidian plugin for AI chat, workflow automation, and semantic search — supports Gemini, OpenAI, OpenRouter, Grok, Ollama, and CLI backends

updated May 2026

gstack-industrial

11
@kevintseng

Smart skill router for Claude Code — auto-suggests the right skill at the right moment based on message, git state, and dev phase

updated May 2026

aiup-alfresco

11
@aborroy

A Claude Code plugin that packages Alfresco extension development as slash commands, skills, and agents

updated May 2026

autoresearch-ai-plugin

11
@proyecto26

AI Agent plugin for Autoresearch with AI (Claude, OpenClaw, etc) to improve anything!

updated May 2026

chiastic-coding-plugin

11
@guyroyse

A Claude Code plugin that orchestrates AI agents into Agile team patterns — story planning, TDD pair programming, and integration testing through a Chiastic Coding workflow

updated Apr 2026

claude-code-stock-analysis-skill

11
@xvary-research

Claude Code stock analysis skill: SEC EDGAR + market data, /analyze /score /compare — free, local Python tools. By XVARY Research.

updated May 2026

claude-code-hardened

11
@renefichtmueller

🛡️ Stop your AI from pushing secrets to GitHub. Security hooks, battle-tested rules, and a live validator for Claude Code. 5 hooks · 6 rules · 1 install script · 0 dependencies.

updated Mar 2026

claude-token-analyzer

11
@li195111

Diagnoses token waste in Claude Code sessions. 6 anomaly types, cost audit, trend forecasting. Fully local plugin.

updated May 2026

learning-loop

11
@robinslange

Self-improving learning loop plugin for Claude Code

updated Jun 2026

brv-claude-plugin

11
@campfirein

Native plugin between ByteRover CLI and Claude Code auto-memory via hooks

updated May 2026

pt-en-prompt

11
@gpaiva00

A Claude Code skill that translates colloquial Brazilian Portuguese messages into structured English prompts.

updated May 2026

axme-code

11
@AxmeAI

Persistent memory, architectural decision enforcement, pre-execution safety hooks, and session handoff for Claude Code. MCP server plugin for AI coding agents.

updated May 2026

corbis-literature-starter-kit

11
@Agentic-Assets

A lightweight Claude Code project for exploring academic literature, brainstorming research ideas, and managing citations. Powered by Corbis MCP.

updated May 2026

openclaw-nebius

11
@opencolin

OpenClaw + Nebius: provider plugin, deployment UI, and Claude Code skill

updated May 2026
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