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

8281entries
★ starsA–Z name

dotclaude

★ 5
@nparkison

Dotfiles for Claude Code. Hooks, skills, patterns, and an Obsidian integration layer.

updated Sep 2026

speclan-essentials

★ 5
@thlandgraf

Companion tools and reference patterns for SPECLAN, the VS Code extension for spec-driven development with hierarchical Goal/Feature/Requirement specs as Markdown files in Git.

updated Aug 2026

proofloop

★ 5
@sattyamjjain

Universal quality evaluation plugin for Claude Code — 7-dimension scoring (correctness, completeness, adherence, efficiency, safety), configurable rubrics, threshold blocking, auto-hooks & /judge command.

updated Aug 2026

polyskill

★ 5
@MrSpacemann

Open-source registry to search, install, create & publish Claude Code skills — CLI + web, every skill security-scanned. Works with any LLM.

updated Oct 2026

agent-42

★ 5
@JoaoHenriqueBarbosa

Minimal autonomous coding agent. Simple tool-use loop over LLM API — no frameworks, no magic. Bash runs in Docker sandbox. Supports Anthropic, OpenAI, and any OpenAI-compatible provider.

updated Sep 2026

atomic-emails

★ 5
@userlist

A structured, five-step process for creating SaaS email campaigns without staring at a blank page

updated Apr 2026

polymarket-analyst-skills

★ 5
@CarlosIbCu

Advanced Claude skill to analyze Polymarket traders. Fetches on-chain data, computes ROI/performance, and detects trading strategies (Arbitrage, Whales, Market Making).

updated Oct 2026

engram

★ 5
@bmbnexus

Persistent memory for Claude Code — 6 MCP tools, SQLite, local embeddings, zero API calls. Your AI remembers across sessions.

updated Mar 2026

maruda

★ 5
@northraystudio

AI with a harness. Agent skills, rules, CI and security gates for AI-assisted development.

updated Oct 2026

awesome-claude-code

★ 5
@hztBUAA

A curated list of awesome tools, skills, MCP servers, tips, and resources for Claude Code

updated Oct 2026

claude-meter

★ 5
@data-wrights

VS Code extension that shows Claude AI subscription usage (daily & weekly limits) in the status bar. Auto-detects Claude Code credentials. Supports OAuth and enterprise admin keys.

updated Oct 2026

claudey

★ 5
@oguzsh

Claude Code configuration with Rust - skills, hooks, commands, rules.

updated Jul 2026

agent-bedtime

★ 5
@ElleNajt

Claude Code hook that reminds you to go to bed

updated Apr 2026

claude-skills

★ 5
@npow

Reusable slash-command workflows that make Claude Code reliable on complex multi-step tasks.

updated Oct 2026

claude-history

★ 5
@shbmx

Raycast extension to browse, search, and resume Claude Code sessions

updated Oct 2026

agentOS

★ 5
@claude-world

Turn your iPhone into an AI agent host. 165+ native tools, 30 agents, 10 channels, 5 AI providers. Pure Swift + Claude API.

updated Sep 2026

claude-code-github-agent

★ 5
@GabsFranke

An orchestration engine for autonomous AI coding agents. Hooks into 40+ GitHub events to execute parallel workflows (code review, CI fixes, triage) using the Claude SDK.

updated Sep 2026

clawdcontext4vscode

★ 5
@yaamwebsolutions

VS Code extension: context budget analyzer, .md linter, CER dashboard, lessons governance, and security scanner for AI coding agent workflows (CLAUDE.md, SKILL.md, todo.md, lessons.md)

updated Jul 2026

kaggle-competition-agent-skill

★ 5
@dianaprior

Skill collection for agents / Claude Code to play Kaggle competitions on tabular data using TabPFN, which beats classic ML (XGBoost, Catboost etc.) in >80% of cases.

updated Mar 2026

claude-plugin-cxdb-integration

★ 5
@prime-radiant-inc

Claude Code plugin that records every session as structured turns in cxdb via lifecycle hooks, enabling trajectory browsing, tool-call inspection, and token-usage observability.

updated Aug 2026

orbit-looper

★ 5
@dev-dhg

A modern, 8-layer guitar looper audio plugin (VST3/AU/LV2/Standalone). Features a Ditto-style single footswitch workflow, dynamic loop extension, a built-in metronome, and a sleek WebView UI built with JUCE 8.

updated Sep 2026

chrome-bridge

★ 5
@frsorrentino

Chrome Bridge by frsorrentino — your real, logged-in Chrome as an MCP server for Claude Code: 60 measured, token-efficient tools. ChromeOS included.

updated Oct 2026

claude-code-hook-manager

★ 5
@obsfx

CLI tool to manage Claude Code hooks — creates, registers, and tracks prompt and script hooks without manually editing settings.json

updated Jul 2026

claude-scheduler

★ 5
@gokuafrica

Schedule Claude Code to run prompts automatically. Cron jobs for Claude — managed via skill or CLI.

updated Mar 2026
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