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

digitaltraffic-detectai

1
@YAMAKAYAMACO

Убирает признаки ИИ из русских текстов. 40 паттернов, калибровка голоса, антиИИ-аудит.

updated Apr 2026

claude-patches

1
@ojura

Out-of-tree patches for the VSCode Claude Code extension — fixes for rename flip-back, fork visibility, sticky-header occlusion, parentUuid chain breaks, title resolver order, and slash-command false-positives. Reapplies cleanly across releases via structural anchors.

updated May 2026

claude-skill-redmine

1
@leethais91

Claude Code skill for managing Redmine issues, time tracking, and timesheets via the Redmine MCP server. Progressive disclosure, English-only enforcement, bulk timesheet auto-fill.

updated Apr 2026

voicemail-generator

1
@SolveaHello

Claude Code skill to generate professional voicemail greeting scripts and convert them to MP3 via Solvea's AI voice generator.

updated Apr 2026

ai-tokenpulse

1
@abhinandang90

Real-time token economics and context-budget observer for agentic AI systems. A local daemon + HTTP proxy + MCP server captures every Claude API call's cost, context saturation, model breakdown, tool-use counts and burn anomalies — natively in Claude Code, Cursor, and any Anthropic SDK agent. Detects "spinning" before billing time.

updated Apr 2026

editorial-presentation-skill

1
@EthanYoQ

Anthropic warm editorial presentation skill - HTML+PPTX dual-mode design language for Claude Code

updated May 2026

codemap-skill

1
@htdxd

Hierarchical codebase navigation skill for Claude Code / AI coding agents. Generates per-directory CODEMAP.md index files with structure summaries, key exports with source annotations, and large file deep analysis.

updated May 2026

skill-radar

1
@Roni-quant

Lean signal-driven skill triage for Claude Code. Fires skills on real triggers, stays silent on noise.

updated Apr 2026

claude-skills-public

1
@Damon-Stewart-1

Claude Code skills, hooks, and commands

updated May 2026

chronic-illness-research-partner

1
@JulianPscheid

Claude Code skill that scaffolds a long-running personal research project for someone with a refractory or complex chronic illness.

updated Apr 2026

agents-gui

1
@trry-hub

VS Code extension: unified GUI for AI CLI tools (Claude Code, Gemini CLI, Codex, Cursor Agent)

updated May 2026

claude-codex-usage-dashboard

1
@charlesDGY

Local web dashboard for Claude Code (Anthropic) + Codex (OpenAI) token usage with real-time 5h/7d quotas, USD cost estimation, and per-tool/subagent/project breakdown

updated Apr 2026

founder-fundraising-outreach

1
@evalyze-ai

A Claude skill that helps founders write investor outreach that actually gets replies. Cold emails, follow-ups, due diligence prep, and more.

updated May 2026

CodeSentinel

1
@hor1zon131

一个基于 Anthropic Claude 的多 Agent 代码审查与自动修复系统,核心采用 tool_use 的 Agentic Loop 架构。

updated Apr 2026

workingclass

1
@workingclass-ai

站在劳动者一边的 AI 工具集 / AI tools on the side of workers. Multilingual agent skill (Claude Code · Codex · Cursor) covering workplace rhetoric, performance reviews, PIPs, salary negotiation, layoffs, and 8-jurisdiction labor law. Frameworks, not legal advice.

updated May 2026

horoshop-claude-skill

1
@IgorShutko

🛠 Claude Code skill — полный SEO-аудит магазинов на Хорошоп через API + автоматические фиксы. От Target+ Agency

updated May 2026

dark-tech-style

1
@harrisliangsu

Dark tech-style design system for Claude Code / Claude.ai — turns one-line requests into consistent dark-themed architecture pages, dashboards, and technical landings.

updated Apr 2026

autonomath-mcp

1
@shigetosidumeda-cyber

Japan regulatory MCP server — 11,601 subsidies + 6,493 laws (full-text) + 9,484 law metadata + 13,801 invoice registrants + 2,065 court decisions. 261 MCP tools. Evidence Packets (source_url + fetched_at + known_gaps). ¥3/req, 3 free/day.

updated Jun 2026

logic-audit

1
@googlarz

Claude Code skill: adversarial cross-artifact logic & consistency audit

updated May 2026

mcp-server

1
@VisualSentinel

Model Context Protocol server for Visual Sentinel: monitor, incident, and free-tool access from Claude Desktop, Claude Code, Cline, Continue

updated May 2026

skill-check

1
@JckJhns

Comprehensive testing and validation for Agent Skills. Quick, Standard, and Deep checks for structure, security, best practices, and more.

updated May 2026

swift-lispkitassist

1
@objecthub

Framework and CLI tool supporting the development of LispKit programs and libraries with a GenAI-driven chat interface. For now, the framework is based on Anthropic's Claude.

updated May 2026

system-design-tutor

1
@rogue-socket

A Claude Code skill that runs an end-to-end system design course — anchored to DDIA and the System Design Primer, with real-world incidents, runnable exercises, and mock interviews.

updated May 2026

claude-skills-templates

1
@0xelitesystem

Five production-ready Claude Skill templates: one-pager writer, code reviewer, brand voice keeper, CSV cleaner, decision-doc generator. Each demonstrates a different SKILL.md pattern. Drop into Claude Code or Claude.ai. MIT licensed.

updated May 2026
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