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

anti-ai-writer

★ 5
@e3xler

Claude-Skill, der KI-typische Schreibmuster und versteckte Unicode-Watermarks aus deutschen Texten erkennt und entfernt.

updated Oct 2026

villagesql-skills

★ 5
@villagesql

Agent skills for VillageSQL - gemini-cli-extension; claude-code-plugin

updated Oct 2026

claude-skills-seo

★ 5
@rampstackco

SEO-focused 12-skill curated subset of claude-skills. For SEO consultants and freelancers using Claude Code.

updated Oct 2026

agent-replay

★ 5
@ferhatatagun

Watch a Claude agent's tool-calling loop — paste a trace, replay it step by step on a cinematic timeline. No key, no backend.

updated Aug 2026

ai-workflow-framework-portability-kit

★ 5
@build-with-dhiraj

Portable, self-contained snapshot of a complete Claude Code setup — 36 specialist agents, 162 skills, plugins, MCP servers & host tooling. Clone, claude login, run one script, restore the whole orchestration stack in ~20 min.

updated Oct 2026

claude-mail-mcp

★ 5
@maxx3250

Self-hosted IMAP/SMTP/CalDAV connector for Claude. Streamable HTTP MCP server with 13 tools for email and calendar. Works with Mailbox.org, Fastmail, iCloud, Mailcow, iRedMail, Migadu, Nextcloud and any RFC-compliant mailbox.

updated Oct 2026

skim

★ 5
@bb1nfosec

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

updated Aug 2026

MediStat-EDA

★ 5
@JeonKH81

Claude Code skill that generates a self-contained Korean HTML EDA dashboard for clinical/medical tabular research data (xlsx/csv).

updated Aug 2026

b2b-outreach-orchestrator

★ 5
@juniorbaixista4

AI-Powered B2B Outreach Plugin 2026: Persistent Briefing & 40 Skills for Claude Code

updated Oct 2026

claude-codex-relay

★ 5
@Work-Fisher

Hook-driven bridge between Claude Code and Codex CLI — Claude plans, Codex codes, you approve.

updated Jul 2026

context-compiler-bootstrap

★ 5
@FrancyJGLisboa

An AI-workspace starter kit for creating and operating specialized, evidence-grounded context compilers. Includes a local VS Code extension.

updated Aug 2026

claude-code-plugin-ib

★ 5
@oh-rid

Claude Code plugin for Interactive Brokers — read-only IB Client Portal Gateway lifecycle, REST + Flex Web Service skills, options/portfolio/tax tooling, order-blocking hook.

updated Jun 2026

claude-code-token-analyzer

★ 5
@fpizzuta

A browser-based dashboard for measuring the impact of Claude Code optimization tools (Graphify, Claude-Mem, opusplan) using ccusage session data. No install required.

updated Aug 2026

scientific-research-helper

★ 5
@NguyenAn2812

Claude Skill for scientific research, thesis, and academic paper writing. Analyzes documents, provides detailed feedback, suggests structural improvements, citations, and academic language enhancement.

updated Oct 2026

claude-corner

★ 5
@GiovaneSuss

a claude-code extension to give claude a hobby between user inputs in a session

updated Aug 2026

stop-slop-zh

★ 5
@wdkang123

Chinese LLM writing Skill for reducing predictable AI prose patterns without changing facts or author voice.

updated Sep 2026

build-DNA

★ 5
@Sudiddii

A Claude skill that turns your skills, experiences, unfair advantages into a business. Adaptive intake → personalized ideas only you could build → market analysis, GTM plan, MVP roadmap, and 72-hour action plan to your 1st dollar. SaaS, hardware, e-commerce, creator businesses, cross-border arbitrage — every type of business, built around you.

updated Oct 2026

academic-researcher-skill

★ 5
@Scottthe3rd

The Researcher's Operating System: a Claude Agent Skill for academic research, from first paper to PhD by Publication. 40 commands: supervisor, adversarial sweeps, rival audits, reading ledger, viva prep.

updated Sep 2026

ai-article-factory

★ 5
@weitzu-com

AI Article Factory — a Claude Code skill that turns any material/topic/product into illustrated, SEO+GEO-optimized articles in Markdown + Word, plus website/LinkedIn/X copy. Automated end-to-end; human only reviews & publishes.

updated Aug 2026

Ultracode

★ 5
@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 Jul 2026

linkedin-profile-perfector

★ 5
@EricTechPro

💼 Recruiter-grade LinkedIn audit + copy-paste rewrites + action plan — a skill for Claude Code & Claude Cowork. 4 goal modes.

updated Aug 2026

ibmi-member-bridge

★ 5
@AydenB

VS Code extension that bridges IBM i source members to local temp files for editing with Claude Code or any local tool

updated Oct 2026

anchorcontext-skill

★ 5
@loinsfest

Never lose critical data in Claude Code. Extracts only nouns and verbs from conversations — 93% compression vs 70% for summaries. Structured anchors with bidirectional links, auto-saved via hooks.

updated Jun 2026

likely

★ 5
@terpjwu1

A Claude Code hook that catches AI hedging and forces verification.

updated Aug 2026
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