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

palaia

17
@byte5ai

Palaia — Local, crash-safe memory for AI agents. Semantic vector search (fastembed/OpenAI/Ollama). SQLite + sqlite-vec or PostgreSQL + pgvector. MCP server for Claude Desktop & Cursor. Multi-agent. Auto-capture.

updated May 2026

cc-bible

17
@4riel

The CC Bible — 202 Claude Code tips from 10 experts. 10 books. 10 commandments. Plus a Claude Code plugin that turns the commandments into installable commands, agents, skills, and hooks.

updated May 2026

Arnold

17
@ArtifactHQ

Arnold is an opinionated documentation-first development toolkit that runs as a native extension inside Claude Code.

updated Apr 2026

Claude-Code-Dashboard

17
@jspw

A VS Code extension that shows you exactly what Claude is doing — tokens, costs, sessions, and insights across all your projects, right inside VS Code.

updated May 2026

svelte-lsp

17
@RA1NCS

Claude Code plugin for Svelte LSP support — go-to-definition, hover docs, find references on .svelte files

updated Apr 2026

claude-hooks

17
@liberzon

Smart PreToolUse hook for Claude Code — decomposes compound bash commands and checks each sub-command against allow/deny permission patterns

updated May 2026

istat_mcp_server

17
@ondata

MCP server to query Italian statistics (ISTAT) via SDMX API — compatible with any MCP client

updated Jun 2026

learn-java-frameworks-marketplace

17
@nlinhvu

Claude Code plugin marketplace for learning Java frameworks by rebuilding them from source. Two approaches: API-first (outside-in) and Core-first (inside-out). AI agents analyze real framework code, generate structured learning outlines, and guide you through building simplified working versions with tests.

updated May 2026

ux-pilot

17
@Sakaax

Your UX co-pilot — from idea to validated flow, in your terminal. Claude Code plugin with 376 UX rules, live preview, and smart discovery.

updated May 2026

claude-code-md-hook

17
@sunlesshalo

Claude Code hook: auto-converts PDF, DOCX, XLSX, PPTX, HTML to markdown before reading — avoids vision token overhead and indexes large files

updated Jun 2026

claude-code-blog-builder

17
@shdsjh123-cpu

Claude Code plugin for AI-assisted blog content creation ? 4 subagents, /setup interview, keyword banks, sanitize gate.

updated May 2026

Inkling

17
@Laumss

A Supernote plugin and claude code skill for AI-assisted Supernote plugin development

updated Jun 2026

postmodernist

17
@kgeoffrey

Postmodernist critique skill for Claude and Codex. Pressure-test AI-generated strategy and marketing slop. Debug reality.

updated May 2026

web-dev-skills

17
@timzaak

A Claude Code plugin for Rust + React projects. It turns PRD -> Design -> Task -> Development -> Acceptance -> Demo into a reusable workflow

updated Jun 2026

muriel

17
@andyed

Teaches Claude to use a dozen visualization-building tools — raster, SVG, web, video, terminal, interactive, gaze plots, heatmaps, science figures. Brand tokens and 8:1 contrast audit built in.

updated Jun 2026

gemini-plugin-cc

17
@m-ghalib

Gemini plugin for Claude Code - reviews, and adversarial reviews to Google's Gemini CLI

updated May 2026

claude-nexus-hyper-agent-team

17
@asiflow

multi-agents operating system layer on top of Claude Cod: multi-agent engineering team for Claude Code, with hook-enforced protocol, adversarial review, Bayesian trust calibration, dynamic specialist hiring, an optional parallel cognitive layer, and a self-improving meta-cognitive loop

updated Jun 2026

watch-video-skill

17
@Newuxtreme

A Claude skill that teaches your AI to watch videos. Use it to learn, absorb, copy, or give visual feedback like you would to a real person.

updated May 2026

ffmpeg-llm

17
@rendi-api

An FFmpeg plugin for Claude Code. Describe what you want, get the command.

updated Jun 2026

cognitive-claude

17
@l0z4n0-a1

The meta-architecture behind a high-leverage Claude Code setup. Installed by the very tool it optimizes.

updated May 2026

Bumblebee

17
@solyanviktor-star

Turns any text into a video montage of movie clips featuring the specified text

updated May 2026

copilot-studio-code

17
@taiki-yoshida

Local MCP server plus an importable Copilot Studio solution that gives a Microsoft Copilot Studio agent Claude-Code-style file and shell tools.

updated May 2026

claudefree-installer

17
@BlackHatDevX

Open-source installer that automatically sets up Claude Code inside VS Code including VS Code, OpenCode, extensions and configure it for unlimited usage (free).

updated Jun 2026

sdk

16
@armbian

Daily virtual machine images preloaded with a ready-to-use Armbian development environment for x86 and arm64 hosts. Ships in ISO and qcow2 formats with Docker, the Armbian build framework, and a browser-based code-server IDE with the Claude Code plugin pre-configured.

updated May 2026
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