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

claudelint

8
@pdugan20

A linter for Claude Code projects. Validates CLAUDE.md files, skills, settings, hooks, MCP servers, and plugins.

updated Jun 2026

ccrelay

8
@inflaborg

Local API proxy (VS Code extension + desktop app) for Claude Code, Cowork & Codex. Automatic protocol conversion — switch LLM providers without touching client config.

updated Jun 2026

claude-persistent-memory

8
@MIMI180306

Give Claude Code persistent memory across sessions. Hybrid BM25 + vector semantic search, auto-structuring via LLM, and 4-channel retrieval (MCP + hooks). Your AI assistant finally remembers.

updated May 2026

preflight

8
@preflight-dev

✈️ 24-tool MCP server for Claude Code: preflight checks for your prompts, cross-service context, session history search with LanceDB vectors, correction pattern learning, cost estimation

updated May 2026

coding-agents

8
@kissgyorgy

Nix packages, skills, extensions for coding-agents (Claude Code, Gemini CLI, Pi Coding Agent, Codex)

updated Jun 2026

llmstrip

8
@HugoLopes45

Strip LLM writing patterns from prose, code comments, and commits — CLI, Claude Code skill, Cursor rule, and LLM system prompt.

updated May 2026

0xarchive-skill

8
@0xArchiveIO

Claude Code skill for querying historical crypto market data from 0xArchive - orderbooks, trades, candles, funding rates, open interest, and liquidations across Hyperliquid, Lighter.xyz, and HIP-3.

updated May 2026

shannon

8
@yessGlory17

A personal orchestration tool for Claude Code agents

updated Mar 2026

ai-court-skill

8
@wanikua

Discord AI 多智能体团队(明朝六部制):兵部/户部/礼部/工部/吏部/刑部/司礼监。Claude 驱动,Oracle Cloud 免费服务器一键部署。Clawdbot skill。

updated May 2026

event-horizon

8
@HeytalePazguato

Event Horizon is a VS Code extension that visualizes AI coding agents as a living cosmic system. Instead of viewing logs, terminals, or raw agent output, developers observe agent behavior in real time through an interactive universe.

updated Jun 2026

slidedown

8
@Viniciuscarvalho

Transform Markdown files into spectacular presentations with 6 themes and AI-powered design

updated Apr 2026

claude-safari-extension

8
@chriscantu

Safari Web Extension that lets Claude Code control Safari via MCP (Model Context Protocol)

updated May 2026

project-coding-companion-skill

8
@rgranet

A Claude Skill that coaches you to write better coding prompts before implementing — evaluate, clarify, plan, code, review.

updated Apr 2026

skills

8
@oharu121

A collection of custom commands, skills, and gems for Claude Code

updated May 2026

claude-code-playbook

8
@ao92265

Battle-tested Claude Code best practices, skills, hooks, and configuration templates

updated May 2026

ProductionOS

8
@ShaheerKhawaja

ProductionOS v1.0 — Claude Code plugin with 76 agents, 39 commands, and 12 hooks. Deploys specialized agents that review, score, and improve your entire codebase. Smart routing, recursive convergence, self-evaluation.

updated May 2026

haiflow

8
@andersonaguiar

Run Claude Code as a headless AI agent over HTTP — hooks + ai + flow. Automate code generation, refactoring, bug triage via REST API using your existing Claude Code subscription.

updated Jun 2026

amemo-skill

8
@lockfeel

麦小记APP为OpenClaw,ClaudeCode,Codex,OpenCode等各类AI工具开发的专属SKILL

updated Apr 2026

cli2skill

8
@2233admin

🔧 Turn any CLI or MCP server into an Agent Skill — zero process overhead, 98% fewer tokens. Kill MCP zombie processes. Works with Claude Code, Codex, Gemini CLI & 26+ platforms.

updated May 2026

oraclaw

8
@Whatsonyourmind

Deterministic decision-intelligence MCP server for AI agents — 17 tools, 21 algorithms (LinUCB, HiGHS LP/MIP, PageRank, Monte Carlo, CMA-ES, conformal). Sub-25ms. Zero LLM cost. AAA on Glama. Field-validated in 12+ OSS projects.

updated Jun 2026

awesome-claude-skills-2026

8
@Samarth0211

Curated list of 2,300+ Claude Code skills, 10 autonomous agents, and 100 prompt shortcuts for 2026. clskills.in

updated May 2026

claude-connoisseur

8
@eugeniosegala

A Claude Code plugin that brings together skills, rules, and hooks with OpenSpec's spec-driven workflow, curated with a taste for good coding.

updated May 2026

master-instructional-design

8
@narosemena

A Claude skill embodying a 30-year veteran ID practitioner — 15 engagement modes, 31 reference files, full L&D spectrum

updated May 2026

cli-bridge

8
@walkindude

Turn any CLI into an MCP tool that agents actually use.

updated May 2026
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