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

cuecards

★ 6
@opencue

Agent profile manager for Claude Code & Codex. Per-directory profiles select which skills, MCP servers, and plugins load — automatically, before launch. Install: npm install -g cue-ai

updated Oct 2026

claude-code-plugin-tracker

★ 6
@linny006

Live index of Claude Code extensions, hooks, and plugins — refreshed every 15 minutes from GitHub

updated Oct 2026

MediStat-Table1

★ 6
@JeonKH81

Claude Code skill that generates a publication-ready Table 1 (baseline characteristics) for clinical research data, with study-design-aware statistical policy (CONSORT 2010 for RCT, SMD-first for observational). Outputs HTML + Word (.docx) + LaTeX.

updated Aug 2026

better-phrase

★ 6
@roseduan

Better Phrase — English phrasing polish via Claude Code hook.

updated Jul 2026

wedding-invitation-skill

★ 6
@wyx-sg

An AI-agent skill that designs your wedding invitation from a conversation — any language, any aesthetic, rendered locally, never uploaded.

updated Oct 2026

higgsfield-skills

★ 6
@pixelab-ch

Model-aware Claude Agent Skills for AI image & video generation on Higgsfield — 15 creative skills with opt-in MCP generation. Reworked from beshuaxian/higgsfield-seedance2-jineng.

updated Sep 2026

webmcp-anything

★ 6
@New1Direction

Turn any URL into agent-callable MCP tools. One spec-compliant MCP server endpoint, no per-site build.

updated Oct 2026

Plumbline

★ 6
@DYAI2025

Plumbline — a self-learning, customer-value-governed agile AI agent team for Claude Code. 87 subagents + skills, TDD defense-in-depth gates, Kaizen retros, a four-body adversarial council, and an empirically benchmarked QA harness. Does it hang true?

updated Sep 2026

oraclebone

★ 6
@sapuyou45-bit

The bone cracks. The model reads. Audited divination for AI agents — tarot, I Ching, Xiao Liu Ren, Bazi. MCP server + CLI + agent skills.

updated Sep 2026

ia-practitioner

★ 6
@sidhanth-povil

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

updated Aug 2026

ai-coding-rules

★ 6
@l17728

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

updated Jun 2026

agent-security-skill

★ 6
@olanokhin

Native Claude Code + Codex skills for AI security review. Also ships instruction files for Cursor, Copilot, and Windsurf. Checks 33 risks: OWASP LLM Top 10 2025 · applied RAG/MCP/agent checks · OWASP Agentic 2026.

updated Sep 2026

qiuxiaoce-football-data

★ 6
@ddzyx

球小策官方开源足球数据集与 AI Agent Skill。每日自动化更新五大联赛与欧冠赛前量化数据与赛后比分比对,支持创作者 API 快速调用。

updated Oct 2026

hw-review

★ 6
@ericshang98

硬件开发助手 — 一个为 Claude Code 打造的 Skill:逐引脚、逐器件、有证据地审查从原理图到固件的设计。Evidence before claims.

updated Oct 2026

Skillry

★ 6
@FluxonLab

Installable, permission-bounded, multi-platform agent skills & subagents for Claude Code, Codex, Copilot & Gemini/Antigravity — 125 skills + 73 subagents across 18 departments, with a validation harness, native plugin marketplace, and full upstream attribution. by FluxonLab.

updated Oct 2026

skylar-reading-compass

★ 6
@SkylarWJY

55 founder-grade books distilled into a Claude skill. Stack any decision through Cagan + Trout + 大败局 + 俞军 + 谢胜子 + more — multi-book perspectives in seconds.

updated Oct 2026

claude-capcut-skill

★ 6
@mane23-ai

Claude Code skill for automating CapCut/JianYing projects via capcut-cli. Natural-language timecode edits, content-based scene search, talking-head auto-cut, long-to-shorts, subtitle styling.

updated Oct 2026

pingpong

★ 6
@0xAaronx0

Meet other Hermes users for exchange over lunch or ping pong 🏓 — a Hermes/Claude agent skill for spontaneous local meetups: pseudonymous coarse-geo board, agents negotiate place & time end-to-end-sealed, double-opt-in before contact. Self-learning skill-level matching.

updated Oct 2026

tutor-de-skills

★ 6
@angelapaia

🎓 Tutor interactivo para aprender a crear skills de Claude desde cero (escalera de 5 niveles). Skill creada por Luis Salgado · SalgadoIA, compartida por IA Masters Academy.

updated Sep 2026

solidworks-draw

★ 6
@SHY-563

用自然语言驱动 SolidWorks 进行参数化机械零件建模的 AI skill(轴/活塞等,内置设计规则与材料库,支持从已有 SW 文件学习)

updated Sep 2026

claude-skills

★ 6
@ragrahari

Generate a structured system design document from requirements and context.

updated Aug 2026

agent-architect

★ 6
@hacxy

Multi-agent system architecture design & harness guide based on Anthropic's official patterns — agent orchestration, optimization, and extensibility skill for Claude Code

updated Sep 2026

agentchef

★ 6
@ucsahinn

An unofficial, cross-platform setup kit for OpenAI Codex CLI and Anthropic Claude Code: specialist agents, curated skills, safe MCP defaults, preview-first installation, and clear verification.

updated Oct 2026

critical-thinking

★ 6
@Johna2an

Open-source Agent Skill for Claude Code that makes Claude reason with explicit probabilities, base rates, and falsifiers. Distilled from 51 books; first in 18/18 blind passes vs baseline Claude and GPT-5.5, and benchmarked against 14 rival skills and prompt techniques with full cost telemetry (round 5).

updated Sep 2026
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