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

8165entries
★ starsA–Z name

swiss-design-skill

1
@peterhadorn

Claude Code and Codex skill that builds websites in the Swiss design tradition. Strict grids, neo-grotesque typography, restrained color.

updated May 2026

skills-radar

1
@darco81

Lazy-loading skill discovery for Claude Code via MCP - mirrors Anthropic's Tool Search Tool pattern for Skills. 100% local Apple Silicon stack (MLX) or cross-platform Docker.

updated May 2026

td-universal-toolkit

1
@kalektika

Unified MCP toolkit for TouchDesigner - gives any AI agent live network control, 630-operator knowledge base, and a closed visual feedback loop

updated May 2026

postline

1
@Christianye

A Feishu/Lark bot framework powered by Claude (Bedrock / Anthropic). Always-on LLM teammate with streaming, tool use, vision, memory.

updated Jun 2026

claude-voice-hooks

1
@rachittshah

Voice notifications for Claude Code. Speaks 'done' when a turn ends, 'permission needed' on tool approvals, 'waiting on you' on idle.

updated May 2026

claude-investment-skills

1
@ssurmic

Investment-research skills for Claude Code: top-down macro-aware framework, bilingual EN/CN NL triggers, Telegram alerts (2-min cron + 1-3s webhook). For personal-finance buy-side use (swing/position/LEAPS) — not HFT. See NEXT-STEPS.md for roadmap.

updated Jun 2026

agent-ask-anywhere

1
@frederico-kluser

Hybrid (deterministic + LLM) browser automation: record skills as Agent Skills, replay with self-healing, agentic fallback via Claude Sonnet 4.5

updated May 2026

cloudflare-tunnel-routes

1
@nachum10

Claude Code skill (and standalone Bash CLI) for managing Cloudflare Tunnel ingress routes. No browser, no dashboard. Persistent HTTPS subdomains for any local port.

updated May 2026

pi-claude-jetbrains

1
@Bigsy

Pi extension that connects to the Claude Code JetBrains plugin for IDE diffs, file opening, and diagnostics.

updated May 2026

triple-persona-review

1
@lucasyhzhu-debug

Claude Code skill: dispatch three calibrated reader personas in parallel against any draft and consolidate feedback into a prioritised editing report

updated May 2026

paper-review.skill

1
@jam-cc

Claude Code skill for writing rigorous, evidence-grounded, hallucination-free peer reviews of ML/AI conference papers.

updated May 2026

majia-match-the-venue

1
@maojiebc

Match The Venue(MTV)— 给国内城市的"高端培训/商学院/咨询/私董会"事件匹配最合适的酒店宴会厅,靠公开活动证据导航。喂活动链接(微信公众号/活动家/活动行/任意 URL)即可抽取"哪家机构 在 哪家酒店 办了什么课",入库打分后输出选址推荐报告。当用户提到"找培训酒店"、"高管

updated May 2026

claude-harness

1
@TIANTIAN-ZHAN

Scaffold a production AI agent harness in any repo, in 5 minutes. Tools for the post-vibe-coding era.

updated May 2026

3d-website-builder-skill

1
@sergeyramas

Claude Code skill: ready MP4 → vanilla HTML/CSS/JS scroll-driven hero (GSAP video.currentTime, no FFmpeg)

updated May 2026

product-content-strategist

1
@xzjh

A Claude Code / agent skill that writes and audits in-product content (UI labels, microcopy, errors, empty states, onboarding, AI feature copy) following US design system principles. All examples are verbatim from Polaris, Microsoft, Carbon, Mailchimp, NN/g — with source URLs.

updated May 2026

claude-code-parallel-skills

1
@GeiserX

Parallel multi-agent skills for Claude Code — review, research, investigate, and implement with concurrent specialized agents

updated May 2026

visual-review-skill

1
@thedanielmay

Visual review skill for Claude Code — QA rendered PDFs, slide decks, reports, and HTML pages for clipped content, overflow, typography problems, and brand drift

updated May 2026

claude-roundtable

1
@sthomenciao

AI 圆桌会议 — 多位历史/思想人物 AI 分身的有实质交锋多轮讨论。Claude Code Skill。

updated May 2026

tokenwise

1
@CodeShuX

Cut Claude Code spend without sacrificing quality — and prove it. Haiku/Sonnet/Opus router with real $-saved numbers, not vibes.

updated May 2026

clever-comebacks

1
@avectats7

Paste a mean message, pick a tier (soft/medium/heavy/trainwreck), get one clever sentence back. A free, open-source Claude Code skill.

updated May 2026

financial-doc-analyst

1
@Dhanush3624

Production-grade financial document analyst using Anthropic Claude API, RAG, and agentic tool use

updated May 2026

moy-sport-bot

1
@IvanAnis777

Multi-agent AI coaching system · Telegram bot · Anthropic Claude · RAG · Garmin integration · SQLite time-series · tool-calling

updated May 2026

cleo

1
@Surt

Dependency manager for Claude Code — rules, skills, agents, and MCP servers. The missing package manager for Claude.

updated May 2026

anti-ai-writing

1
@avectats7

Edit any draft to remove AI tells. Strips banned words (delve, unlock, leverage, harness, robust, showcase, vibrant, and 50+ others), banned phrases (in today's fast-paced world, unlock the potential of), and banned structures (em dashes, rule of three, bulleted bold titles). Returns a clean rewrite plus a diagnosis. EN + ES. MIT.

updated May 2026
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