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

please-dont-sue-me-anthropic

4
@Schandelxd

“Because $200/month sounded like a skill issue.” Setup Claude Code once using Anti Gravity IDE, then use it globally across Terminal, VSCode, Cursor, Windsurf, or basically anywhere — powered by OpenRouter and cheaper/free AI models.

updated May 2026

skim

4
@bb1nfosec

Runtime token proxy + intelligence dashboard for LLM tools. Intercepts API calls, strips waste, tracks costs — for individual developers and Fortune 500 teams.

updated May 2026

claude-omakase

4
@gyuch-an02
updated Jun 2026

mockplus-context

4
@MySwallow

Agent Skill — 让 AI 看懂 Mockplus(摹客)设计稿。贴 URL 即得结构化 YAML + 切图,AI 直接生成 Vue/React/Flutter 代码,无需看 PNG 猜规格。装到 Claude Code / Cursor / Codex 等。

updated May 2026

senior-dev-skills

4
@the-senior-dev

Claude Code skills to help you think like a Senior Engineer.

updated Jun 2026

DirectorSKILL

4
@wuwangzhang1216

Claude Code skill for AI filmmaking — shot lists, keyframe & video prompts, with 10 director-style overlays (Spielberg, Kubrick, Wong Kar-wai, Nolan...).

updated Jun 2026

oh-my-tokens

4
@boblee0717

A chrome extension to view your codex or claude code usage.

updated Jun 2026

walter-skills

4
@walterwritesai

Free Claude skills for SEO content: AI humanizer, AI detection bypass, keyword preservation, agency QC, local SEO, programmatic SEO, content repurposing. Drop-in markdown for Claude projects. MIT licensed.

updated May 2026

MPort

4
@forkadarshp

Migrate LLM apps between models safely — then benchmark old vs. new to prove the upgrade. Agent skill for behavior-preserving migrations + a runnable eval harness (three-arm leaderboard, prompt sweeps). Works in Claude Code, Codex & Cursor.

updated May 2026

ia-practitioner

4
@sidhanth-povil

A Claude skill for professional IA — built from 7 practitioner books including Spencer, Morville & Rosenfeld, Krug, and Marquis.

updated May 2026

ai-coding-rules

4
@l17728

Dual-system (Claude Code + opencode) AI-coding rule installer: constitution + auto-triggering skills + enforcement hooks

updated Jun 2026

Ultracode

4
@KangarooKi

UltraCode is a local AI-assisted coding CLI inspired by Claude Code. It runs agentic coding workflows in your workspace with OpenAI-compatible models, function-calling tools, task planning, memory, permissions, hooks, background commands, MCP integration, and subagent support.

updated Jun 2026

Oral-English-Practice

4
@XcutingUnicorn235

Long-term spoken-English coaching tracker for Claude Code: practice by voice in the Claude app, get scored reports, a mistake bank, trend charts, and an adaptive next-session focus.

updated Jun 2026

context-summary

4
@thebpandey

A Claude.ai Personal Skill that generates a structured, seven-block session handoff so you can continue work in a new conversation without losing context, rediscovering decisions, or re-explaining your project state.

updated Jun 2026

Bioinformatics

3
@Pavel-Kravchenko

208 bioinformatics skills for Claude Code — NGS, single-cell, metagenomics, structural biology, algorithms, AI for science

updated May 2026

cognify-skills

3
@Adri3l-R3nan

Provide 19 business operation skills for AI agents following the Agent Skills standard to analyze workflows and assess ROI efficiently.

updated Jun 2026

claude-code-tips

3
@habibbedawi

Provide ready-to-use plugins, hooks, and commands to enhance Claude Code sessions with data mining, automation, and integration tools.

updated Jun 2026

claude-vault

3
@akashbytecode

🧠 Enhance your Obsidian experience with Claude Vault, an AI-assisted knowledge base that syncs notes and tasks across all devices effortlessly.

updated Jun 2026

claude-chat-with-weaviate

3
@larryhudson

Demo chatbot project with Next.js, Anthropic API, Weaviate, custom tools

updated Jun 2025

claude-code-visualizer

3
@nainsharma01

🌐 Visualize Claude Code agents, skills, and commands with this interactive tool for easy navigation and understanding of complex relationships.

updated Jun 2026

gemini_cli_skill

3
@Junayedahmedd

🚀 Enhance Claude Code with Gemini CLI for better code generation, reviews, testing, documentation, and architecture analysis.

updated Jun 2026

badsub

3
@ryanhex53

Subtitle Translation and Proofreading Tool Supports OpenAI, Anthropic Claude, Google Cloud Vertex AI (for Anthropic)

updated Mar 2026

xs-command-llm-anthropic

3
@cablehead

nushell + anthropic + tool use + rich documents + cross.stream

updated Apr 2026

wechat-article-to-markdown

3
@Estebnvx

Convert WeChat Official Account articles to clean Markdown with metadata extraction, image download, and code block support for easy content reuse.

updated Jun 2026
← PREV01...216217218219220...344NEXT →