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

insurancexdate-mcp

1
@toddshaner

TypeScript MCP server (.mcpb Desktop Extension) for the InsuranceXDate workers'-comp prospect database and SERFF rate-filing API. 7 tools, full upstream schema coverage, production-grade error handling. Unofficial third-party client.

updated May 2026

claude-skill-continuous

1
@xoonjaeho

Claude Code skill: keep long-running tasks alive across Claude.ai rate-limit boundaries via ScheduleWakeup.

updated May 2026

anon-research

1
@marmar9615-cloud

Claude Code skill for anonymous web research via Tor — every search and fetch uses a fresh circuit, so target sites can't link your requests to each other or back to you.

updated May 2026

property-deep-dive

1
@soreavis

Pre-purchase property due-diligence across 113 countries × 39 user-invocable sections + 4 cross-cutting layers — tax, risks, yield, visa, mortgage, schools, scams, title-fraud monitoring, seller-withholding, foreign-buyer language/remote/relocation, home-country tax. Primary-gov-sourced; every claim dated & confidence-labelled.

updated May 2026

parallax

1
@andrewsmallbone

Multi-agent research skill for Claude. Given a topic, Parallax assembles a team of analyst agents — each with a distinct identity, agenda, and research mission — then synthesises their findings into a single structured report.

updated May 2026

agentic-harness-patterns-skill

1
@dinho-afsn

Build production patterns for AI coding agents from Claude Code source analysis and harness engineering practice.

updated Jun 2026

figma-android-xml

1
@jahonn

Claude Code skill: high-fidelity Figma-to-Android XML restoration via Figma MCP, with 22 battle-tested pitfalls

updated Apr 2026

micro-skills

1
@Liquidnitrogenmaenad512

Split large skills into a 5-step gated pipeline with micro-checks, hard gates, and clearer Claude outputs

updated Jun 2026

mcp-doc-assistant

1
@Bharathi-vbr

MCP document assistant with FastMCP server and Python client — supports reading and editing documents via Claude-compatible tool calls using the Model Context Protocol.

updated Apr 2026

claude-security-skills

1
@Dolphinllc

Defensive security skills for Claude Code and the Claude Agent SDK — web applications and generative AI systems.

updated Apr 2026

google-seo-mcp-claude-code

1
@mario-hernandez

The complete Google SEO MCP for Claude Code & Cursor — Search Console + Analytics 4 + 5 cross-platform tools (GSC↔GA4 journey, opportunity matrix, traffic health check, revenue attribution, full landing page diagnosis). Diagnostic intelligence with anti-hallucination provenance, leave-one-out Z-score, real funnels. Read-only by default.

updated May 2026

claude-deconstruct

1
@adelaidasofia

First-principles analyst. Surfaces hidden assumptions, finds foundational truths, identifies the high-leverage move.

updated May 2026

claude-patterns

1
@adelaidasofia

Instinct Engine that scans recent sessions for recurring patterns and turns them into concrete captures.

updated May 2026

antiflow

1
@ilyasstrougouty

An AI coding protocol that stops vibecoding slop and forces you to write your own core logic.

updated May 2026

claude-studio

1
@Sowhost700

Build Claude AI apps with a unified dev stack for code, prompts, tools, tests, and local workflow

updated Jun 2026

claude-a2a

1
@oriolrius

A2A-protocol bridge for two Claude Code agents communicating via MCP (Google Agent2Agent over JSON-RPC, exposed as stdio MCP tools).

updated May 2026

claude-code-statusline

1
@kk-ben

Rich 2-line statusLine for Claude Code: smooth Unicode gauges, git/skill/task segments, optional live feeds (Anthropic blog / HN / GitHub trending) — width-adaptive, OSC 8 hyperlinks, MIT

updated Apr 2026

bombaclaude

1
@siaarzh

Make Claude Code chat Jamaican Patois. Same brain, full vibes. Saves on tokens... probably.

updated Apr 2026

starter-components

1
@enstw

Ready-made HTML/JSX scaffolds (slide decks, device frames, window chrome, animations, tweak panels) — installable as a Claude Code skill

updated May 2026

dental-photo-toolkit

1
@pabloatria

Clinical dental photography post-processing — white balance, AACD-standard crops, before/after composites, 12-photo accreditation board. Available as a Claude Code skill (RAW + JPEG) and a ChatGPT Custom GPT (JPEG only). By Dr. Pablo Atria.

updated May 2026

fullstack-engineer-skill

1
@Wholorp

Claude Code skill that turns Claude into a senior full-stack engineer. Production-ready patterns, typed end-to-end, security baked in.

updated Apr 2026

agentskill-config

1
@navishachiku

Universal config layer for Agent Skills — add global & project-scoped preferences to any skill via a single SKILL.md declaration. Compatible with Claude Code, Codex, Gemini CLI, and Cursor.

updated Apr 2026

hivemind

1
@abderrahimghazali

Bridge Claude Code and Codex on the same machine — second opinions, brainstorms, and direct MCP tool access between two AI coding agents.

updated Apr 2026

tianluo

1
@yeewangcn

Tianluo (田螺姑娘) — keep Claude Code on a multi-hour task without it pinging you at 3am. Methodology for multi-hour autonomous runs: persistent state, plan-time fork enumeration, multi-layer diagnosis, budget-bounded retry.

updated Apr 2026
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