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

claude-code-brain-bootstrap

11
@brain-bootstrap

🧠 Give Claude Code the operating context it's missing: persistent rules, enforced hooks, on-demand skills and deep knowledge of your codebase.

updated Apr 2026

serpapi-claude-plugin

11
@serpapi

Claude Plugin for SerpApi API.

updated Jun 2026

claude-researcher

11
@maher-naija-pro

Structured research skill for Claude — parallel web search, test solutions, weighted scoring decisions

updated May 2026

ruby-upgrade-toolkit

11
@dhruvasagar

A Claude Code plugin for upgrading Ruby projects safely — including Ruby on Rails apps. Supports any Ruby version upgrade (2.7→3.x and beyond) and any Rails version upgrade (5→8), separately or together.

updated May 2026

claudenews

11
@bhpark1013

Earn money while waiting for AI agent responses. Claude Code plugin.

updated Jun 2026

lipnardo

11
@AgriciDaniel

HeyGen avatar video generation skill for Claude Code. Batch, templates, translation, photo avatars, TTS. Stdlib-only Python.

updated Jun 2026

vibekit

11
@rizukirr

Vibe-coding pipeline with halt-on-defect guardrails. RTCO-compressed briefs, evidence-based verification, bounded autonomous re-runs. CC / Pi / Codex / OpenCode / Gemini CLI.

updated May 2026

humanizer-ru

11
@SergeNS-mne

Claude Code skill that removes signs of AI-generated writing from Russian text. Russian adaptation of blader/humanizer with ~38 patterns specific to Russian: канцелярит, родительные цепочки, «является», кальки, типографика.

updated May 2026

ha-nexus-agent

11
@Fistacho

MCP server for Home Assistant — 264 tools across 27 domains: entities, automations, dashboards, energy, voice, HACS, Supervisor, Card Builder (with embedded block schema), BM25 tool search, aggregated snapshot, automation trace debug, git versioning

updated May 2026

triz-engineering-solver

11
@Antropocosmist

Claude / AI-agent skill for solving engineering contradictions with Altshuller's TRIZ — full 39×39 matrix, 40 principles, Su-Field analysis with 76 Standard Solutions, ARIZ-85C, 3 worked examples.

updated May 2026

eval-layer

11
@erezweinstein5

A Claude Code skill that adds a rubric-based eval layer to any agent project. Framework-agnostic — generates rubric, test cases, judge prompt, and harness. Returns a weighted score plus a judge-leniency signal.

updated May 2026

gstack-distilled

11
@0xabrar

Distilled decision-making frameworks from Garry Tan's gstack, packaged as 7 focused Agent Skills.

updated May 2026

sample-oh-my-aidlcops

11
@aws-samples

AIDLC × AgenticOps — plugin marketplace that extends Claude Code and Kiro with agentic operations for the AWS AI-Driven Development Lifecycle (Inception → Construction → Operations).

updated Jun 2026

cv-pro

11
@HA7CH

cv — turn a PDF resume into a living personal site. Multi-tenant resume hosting with a Claude Code / Codex plugin.

updated Jun 2026

CTO-Skills

11
@yzfly

你不缺 idea, 你缺一个把 idea 想清楚的人。一场对话把想法变成可执行的软件设计 — Built for Claude Code

updated May 2026

cc-cache-monitor

11
@AlexZan

Diagnostic statusline extension for Claude Code that surfaces prompt-cache health in real time. Detects flush events from the cache invalidation bug.

updated May 2026

stark

11
@f0d010c

UI/UX design plugin for AI coding agents. Product flows, platform-native interfaces, asset planning, and reference analysis before code.

updated Jun 2026

memex

11
@STiFLeR7

Persistent memory for AI coding agents via MCP — a bitemporal knowledge graph of your codebase, served to Claude Code, Cursor, Gemini CLI, and any MCP client. Tree-sitter + Gemini Flash → Neo4j (via Graphiti). 12 MCP tools, hierarchical clusters, two-regime confidence decay.

updated May 2026

plugadvpl

11
@JoniPraia

Plugin Claude Code + CLI Python que indexa fontes ADVPL/TLPP do Protheus em SQLite + FTS5. Claude consulta metadados sem queimar tokens lendo .prw inteiro.

updated Jun 2026

espresso

11
@mirkobozzetto

One plugin. Full token-saving stack for Claude Code, Codex, and more. 70-85% fewer tokens.

updated May 2026

memoforge

11
@gregmos

Multi-agent legal memo drafting plugin for Claude Cowork and Claude Code — intake, research, review, polished .docx output

updated Jun 2026

trafficmonitor-claude-usage

11
@LangYa466

在 TrafficMonitor 任务栏显示 Claude 订阅用量(5h/7d),请求前校验 Cloudflare 出口节点(colo/loc),不对就跳过并通知。C++/WinHTTP,单 DLL。

updated May 2026

kav-command-center

11
@viktorkav

Obsidian plugin: personal command center for YouTube content creators, powered by Claude Code slash commands

updated Jun 2026

aipick

10
@tak-bro

An interactive CLI tool that leverages Ollama, ChatGPT, Gemini, Claude, Mistral and other AI.

updated Jan 2026
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