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

fraudi

1
@marcotini

A Claude skill for self-reflection. Strips sycophancy and therapy-speak. Not a therapist — the name is the disclaimer.

updated May 2026

hafla-intelligence-gateway

1
@evinops-hafla

Public client packages for the Hafla Intelligence MCP gateway. Ships @hafla/intelligence-mcp-bridge (stdio↔HTTPS shim with Google-OIDC auth via gcloud) and a Claude Code plugin / Gemini CLI extension.

updated May 2026

skills

1
@BrightSiteHQ

Workflows your AI assistant can run against the BrightSite MCP — WordPress migrations, pSEO, SEO audits, redirect imports, handoff QA

updated May 2026

chinese-fortune

1
@ShousenZHANG

Comprehensive Chinese metaphysics & fortune-telling toolkit · Claude Skill · 20+ methods · MIT

updated Jun 2026

heritage-copilot-skill

1
@mightytonylun

A heritage conservation copilot — a skill pack of five commands to read a place's heritage documents, assess its significance and condition, and plan conservation works. Built on the Burra Charter.

updated May 2026

pact

1
@winsznx

Verifiable AI-as-a-Service on 0G mainnet. Every inference produces a TEE-attested ECDSA signature recoverable on-chain. Reputation travels with the Agent INFT. Live, settled, 56s end-to-end.

updated May 2026

claude-scaffold-spec

1
@MichaelTheMay

A Claude Code skill that turns an unstructured idea into three production-grade spec documents (project_overview.md, user_flow.md, design_prompts.md) before you write a single line of code. Runs an indefinite clarification loop, then generates artifacts via parallel subagents.

updated May 2026

apple-app-store-aso

1
@marcotini

Claude Code skill for Apple App Store metadata: drafts it, validates it, won't make it up.

updated May 2026

vscode-claude-context

1
@komisla

VSCode extension: live Claude Code context window monitor with traffic-light status bar and token breakdown panel

updated May 2026

humanizer

1
@spuvr

Humanize AI text. Make your prose sound like a human wrote it, not a machine. A Claude Code skill that teaches the feel of real writing, no banned-word list.

updated May 2026

claude-ai-complete-guide

1
@deepakrout

Companion repo for "Claude AI: The Complete Developer Guide" — prompt engineering examples, API usage, tool use patterns, and workflow automation with Anthropic's Claude.

updated May 2026

nix-claude-code

1
@dryvist

Declarative Claude Code in Nix — plugins, marketplaces, skills, hooks, MCP, and permissions as composable home-manager modules. Reproducible on macOS and Linux.

updated May 2026

ghost-panther-dashboard

1
@T00f-io

Full-stack AI fitness OS — React, Supabase, Claude API, Cloudflare Workers. Raw workout notes → one tap → structured DB records + AI coaching. Built as a daily-use personal tool and AI engineering portfolio project.

updated May 2026

context-handoff

1
@googlarz

Continue any Claude conversation exactly where you left off — decisions, reasoning, work state, and behavioral contracts fully restored in a new session

updated May 2026

claude-skill-handoff

1
@Phat-Po

A Claude Code skill that lets you switch sessions without losing context. Auto-generates handoff docs, maintains STATUS.md project logs, and snapshots commits — so the next agent starts in seconds, not minutes.

updated May 2026

prompt-chain

1
@1marcelserrano

Break complex tasks into self-propagating prompt chains across Claude sessions.

updated May 2026

claude-context-governor

1
@TribalHouse

The control plane for Claude Code. Run a dozen MCP servers and a hundred skills. Pay context for only the ones doing work right now.

updated May 2026

deepeval-bcg

1
@EvXata

Detects structural prompt weaknesses before they affect production outputs — improving the quality, consistency, and reliability of every future generation across the pipeline.

updated May 2026

claude-skills-pitfalls

1
@livlign

Things that silently break your Claude skill, and how to fix them.

updated May 2026

content-scout-skill

1
@tendera01-spec

Themen-agnostischer Content-Scout-Skill für Claude. RSS + Keyword-Cascade (Ahrefs, SimilarWeb, Trends, Perplexity) + On brand Post-Drafts.

updated May 2026

claude-mv-powershell

1
@voltronsource

PowerShell tool to move/rename Claude Code projects on Windows while preserving conversation history and config.

updated May 2026

classical-chinese-text-research

1
@wangshuo159

A Claude Skill for rigorous source-criticism of Chinese classical texts.

updated May 2026

verdigraph-neurogenesis

1
@viridis-security

Paid hosted MCP for agent-to-agent compute routing. 25% of net revenue funds conservation. OAuth 2.1 + PKCE, Stripe prepaid credits, atomic ledger.

updated May 2026

skill-style-guide

1
@jamesbuckett

Claude Code skill for single-file HTML pages with disciplined design and Playwright validation.

updated May 2026
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