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

8236entries
★ starsA–Z name

developer-skills

2
@sgomez

Unattended PRD delivery for Claude Code

updated Jul 2026

loop-engineering-skills

2
@haidrrrry

The missing brain for AI coding agents — verification gates written before the code, Reflexion-style memory that learns from every failure, and self-correction loops with real anchors. One command install for Claude Code; copy-paste prompts for any AI.

updated Jul 2026

claude-academic-skills

2
@Nero1688

A curated bundle of 29 Claude Skills for quantitative, qualitative & experimental research in business, finance & social science (bilingual 中/EN)

updated Jul 2026

fable-dev-skill

2
@satasuk03

A Claude Code skill that turns Claude into Fable — an orchestrator that plans, decomposes, and delegates multi-step dev work to specialized subagents.

updated Jul 2026

pi-stock-analysis

2
@jenningsloy318

Self-contained pi control-flow workflow extension for unified equity research (5 modes x 19 stages). Ports the stock-analysis Claude Code plugin orchestration to TypeScript.

updated Jul 2026

gbt9704-2012-format

2
@shuzhao1133

GB/T 9704-2012 formatter for Chinese government Word documents. 自动统一 .docx 页边距、字体字号、标题层级、行距、页码、标点与序号;支持 Claude/Codex Skill 和 Python CLI。

updated Jul 2026

codex-browser-skill

2
@humanrouter

Claude Code can't always do browser tasks. Codex can. This skill hands the job to the Codex desktop app and reads the result back automatically, so you stop copy-pasting between two AIs.

updated Jul 2026

salary-negotiation

2
@yanliudesign

Claude skill for salary negotiation — turn any offer letter into an executable HTML playbook: diagnosis, leverage map, phone/email scripts, 2-round counter simulation, and 3 stop-lines. 4th sibling of the offer-toolkit bundle.

updated Jul 2026

gemini-browser-mcp

2
@Walkoud

MCP server that bridges Claude Code to Google Gemini via a Chrome extension — no API key required.

updated Jul 2026

gnome-shell-extension-ai-token-bars

2
@fen22

GNOME Shell extension showing Codex and Claude Code usage bars

updated Jul 2026

page-foundry

2
@taylorbanks

Turn one brief into a finished homepage, landing page, or sales page: high-converting, written in your voice, fast, accessible, and built so it never reads or looks AI-made.

updated Jul 2026

fable-workflow-skill

2
@joey114132

Fable Workflow — a portable Claude Code / Cursor agent skill that makes any model (Opus, Sonnet, Haiku, Fable) find the unknowns before building, not after.

updated Jul 2026

skill-fuse

2
@gaia-research

AI agent command consolidator for Claude Code, Cursor, Windsurf. Merge overlapping /commands into one unified SKILL.md — reduce slash command clutter, combine Cursor rules, dedupe Windsurf cascades. One-line install.

updated Jul 2026

agent-config

2
@tamagodo-fu

Shareable Claude Code subagents. Includes advisor: a stronger-model reviewer that consults at key decision points (emulates the Anthropic advisor tool).

updated Jul 2026

seo

2
@talkaajmedia

Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel reporting. Optional DataForSEO, Firecrawl, and Banana extensions.

updated Jul 2026

voiceprint

2
@Lekha-Reddy-git-hub

Teach AI what YOU sound like. A voice-fingerprinting skill that learns your style, renders your thoughts in it, and audits with receipts not verdicts.

updated Jul 2026

Claude-Science-Proxy

2
@counterfactual5

Run Claude Science on your own model APIs (DeepSeek, GLM, Kimi, MiniMax, OpenRouter, custom). Local sandbox, Skills/MCP managers, built-in web-search (GENERAL + LITERATURE) + csp-environment handbook. macOS Tauri. v1.6.9.

updated Jul 2026

ai-token-monitor

2
@Theyisuskill

Unified token-usage monitor for local AI CLI tools (Claude Code, Antigravity, Gemini CLI, Cursor): a Python/GLib daemon + native GNOME Shell extension with rolling 5h/weekly limit bars.

updated Jul 2026

aham-ppt

2
@Aham-AIAPP

克制的 AI PPT 制作技能——参数化版式库,让 AI 产出规范、可编辑的 .pptx

updated Jul 2026

ClaudeUsage

2
@omgapnt

PowerToys Command Palette dock extension showing live Claude Code usage (session % left, weekly & per-model limits)

updated Jul 2026

design-playbooks-skill

2
@veryCoolTimo

Evidence-based design playbooks for Claude Code — rules synthesized from 407 real product sites: page-type playbooks with pattern frequencies, 9 style guides, per-site hex/type tokens, DESIGN.md generator. Free, local, MIT.

updated Jul 2026

navi

2
@pinkpixel-dev

Chat app with MCP tool support for local models, hosted providers, projects, file attachments, and artifact previews.

updated Jul 2026

mcp-server-google-antigravity

2
@TurkerYakup

MCP server that lets Claude, Codex & other MCP clients delegate heavy work to Google Antigravity (agy CLI / Gemini) — unlimited async jobs, live progress, filesystem tools, model/agent/sandbox controls. Cross-platform

updated Jul 2026

proprio-punho

2
@simiao-cavalcante

Skill de IA que clona o seu estilo de escrita jurídica: a minuta sai com a sua estrutura, vocabulário e voz — sem cara de ChatGPT. A IA escreve, você assina.

updated Jul 2026
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