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

8237entries
★ starsA–Z name

ankiweb-add-card

6
@htlin222

Protobuf-based Python CLI for AnkiWeb automation—create decks, add flashcards, no browser or Selenium required. Reverse-engineered protobuf protocol. Ships as Claude skill.

updated Jul 2026

walter-skills

6
@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 Jun 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 Jul 2026

vision-mcp

6
@Haruhiyuki

A high-performance desktop app interaction framework for AI agents — faster, cheaper, more accurate. / 让 Agent 操作桌面软件更快、更准、更省。

updated Jul 2026

pi-claude-code-auth

6
@cgaravitoq

pi extension: authenticate the Anthropic provider via existing Claude Code OAuth credentials

updated Jul 2026

brief

6
@inerrata

Full-stack marketing skill for Claude that drafts copy, audits pages, and plans campaigns—with guardrails. Tested against 26 evals. +20pp over baseline.

updated Jul 2026

aegis-pentest

6
@glorybnat

AI-driven pentest orchestration that hands Claude the full PTES methodology over real MCP tool calls. 80+ tools, 33 verification probes, scope guard on every request. Python orchestrator + React/Ink TUI.

updated Jun 2026

hookstack

6
@steve-magne

Claude Code hooks catalogue — production-ready hooks for Claude Code, OpenAI Codex & GitHub Copilot. Install in one npx command.

updated Jul 2026

ai-coding-rules

6
@l17728

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

updated Jun 2026

privateer-agent

6
@privateer-agent

⚓ Provider-agnostic terminal privacy first coding agent — bring your own model. Switch between OpenRouter Anthropic, OpenAI & local Ollama with one command. Plan mode, checkpoints, MCP, hooks, sub-agents and a modal prompt, built off Pi.

updated Jul 2026

claude-rx

6
@alsgur9865-sketch

Audit how well Claude Code followed your CLAUDE.md — and prescribe fixes (promote to hook, delete dead rules)

updated Jun 2026

the-claude-council

6
@Nmor

A principal-level, 16-division multi-agent Council for Claude Code. Drop-in ~/.claude/ config: 15 Floor + 160 Library rules, 121 skills, 32 agents, 33 commands, 14 hook-enforced quality gates. Runs on any machine, any project, every IDE. MIT.

updated Jul 2026

ccbit

6
@livlign

Session-awareness status line for Claude Code. A kaomoji face reads the transcript and narrates state across your sessions. One Go binary, no hooks, no daemons.

updated Jul 2026

Icarus-Figures

6
@TAO-QKV

Publication-grade figures for scientific papers — reproducible matplotlib & TikZ, with a quality bar, composition paradigms, and journal-grade craft. A self-contained Claude skill.

updated Jul 2026

agent-connector

6
@ken-jo

Deploy one MCP to every agent CLI. Write your server + hooks once with defineConnector() → native config, plugin & marketplace across 42 agent CLIs (Claude Code, Codex, Cursor, Copilot, Gemini, OpenCode, Warp, Zed…). Built-in per-tool token telemetry. Apache-2.0.

updated Jul 2026

Agent-Sessions

6
@Sonnar1550ZM

Local-first macOS menu bar app for tracking multiple Codex and Claude Code sessions in real time via agent hooks

updated Jul 2026

browser-bridge-cli

6
@dreamhunter2333

Control Chrome/Edge browser via CLI through a browser extension bridge. Claude Code skill with embedded source.

updated Jul 2026

skillcheck

6
@sx4im

🧪 A/B test your agent skills — skillcheck measures whether a SKILL.md actually improves an LLM's task performance, with blind grading, bootstrap confidence intervals, and a 0–100 score. CLI for Claude Code, Codex & Cursor skills.

updated Jul 2026

skills

6
@DTM-repo

An incisive, source-available brand-distillation skill for Claude, Codex & any SKILL.md tool. Finds the kernel hiding in your product's name, then builds a full brand kit to hand to the coding agent of your choice. You can't be Don (or afford him). But Ron's available.

updated Jul 2026

ableton-producer-skills

6
@Korben00

Claude Code skills toolkit to help music producers compose, arrange, reharmonize, groove, sound-design & sample in Ableton Live via the Extension SDK.

updated Jul 2026

ai-skills-for-claude-code

6
@euwebertdefreitas

Meus plugins e skills de especialista para o Claude e Claude Code.

updated Jun 2026

deep-learning

6
@quzhi-ai

A Socratic tutor that refuses to hand you the answer — until you can prove you actually understand. 一个拒绝直接给答案的导师,直到你能证明自己真的懂了。

updated Jul 2026

novel-deconstruct

6
@QQ-L-XX

AI拆书技能 for Claude Code——输入番茄小说链接,自动字体解码→定量扫描→场景级深度拆解→18章结构化报告。融合麦基故事+许荣哲小说课+布兰德成为作家三书体系。

updated Jul 2026

ai-slop-cleaner-en-ru

6
@tuwulalo

Clean the AI out of text and detect AI slop - bilingual (EN+RU) Claude skill. Rewrites AI cliches into natural prose, rates AI-likeness, and tells decorative AI emoji from genuine human emoji.

updated Jun 2026
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