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

pi-routines

★ 4
@Davidcreador

A pi extension that gives your agent scheduled and event-driven routines

updated Aug 2026

Claude-Agentic-Skills2.0-version

★ 4
@vignesh2027

Been building this for 6 months. Finally at a place where I'm comfortable sharing it.

updated Sep 2026

clawvr-agent-skill

★ 4
@Steffd415

Open-source Claude Agent Skill that generates custom AI Operating Systems for small businesses across 13+ verticals (dental, salon, restaurant, contractor, real estate, vet, photographer, fitness, insurance, CPA, law, HVAC). Built for Claude for Small Business + Anthropic Agent Skills standard. MIT licensed. https://clawvr.com

updated Jul 2026

translate-hooks

★ 4
@AndrewK404

Type prompts into Claude Code / Codex in your own language - a UserPromptSubmit hook translates them to English so the agent reasons in English.

updated Jul 2026

smm-skills

★ 4
@seranking-planable

Claude SMM Skills — production Claude Agent Skills for the Planable MCP server. Draft post batches, pending approvals roundup, monthly performance summary, content calendar audit, cross-client metrics overview, and content pattern intelligence.

updated Sep 2026

mcp-annas-archive-create-skill

★ 4
@Earnest-clockworkuniverse497

Convert methodology books from Anna's Archive into Claude Code skills using the Model Context Protocol.

updated Oct 2026

ibkr_core_mcp

★ 4
@stephus182

Interactive Brokers from Python, end to end: complete Client Portal Web API connectivity (78 endpoints, REST + WebSocket, Docker gateway), market and historical data management with a Google Drive cloud cache, Flex statements, 44 Claude tools + MCP server for any Python or MCP client, backtests and analytics — orders behind Touch ID + confirmation.

updated Sep 2026

dw-harness

★ 4
@pugyy

A Claude Code engineering template for reliable data warehouse AI development./面向数仓 AI 开发的 Claude Code 工程化模板:hooks、skills、subagents 与八步标准流程。

updated Sep 2026

unifapi-mcp-server

★ 4
@unifapi-agent

UnifAPI MCP server: public-data APIs and Skills for AI agents via Model Context Protocol

updated Oct 2026

claudie

★ 4
@MochiNek0

A native desktop companion for Claude Code with hook-driven animations, permission controls, Pomodoro support, and OpenAI-compatible LLM proxying.

updated Sep 2026

oh-my-pi-ai-toolbelt

★ 4
@Labir12

Terminal AI Agent 2026: Hash-Anchored Edits & Python LSP Tool Harness

updated Oct 2026

redline

★ 4
@ArchAstro

Turn precise browser redlines into verified UI fixes in Claude Code and Codex — Chrome extension, local sidecar, and agent plugins.

updated Sep 2026

spec-kit-linear-sync

★ 4
@ashbrener

Automatically mirror your spec-kit specs into Linear — one issue per spec, a sub-issue per task phase, kept in sync as you work.

updated Sep 2026

Couchbase-Skills-for-Claude.ai

★ 4
@celticht32

This is a collection of skills I have created for Couchbase for Claude.ai

updated Aug 2026

fact-drift

★ 4
@hwajongpark

A Claude Code skill that watches the source pages behind the facts you cite (prices, versions, limits, rules, deadlines) and updates every file that has gone out of date, once you approve.

updated Oct 2026

claude-code-notifier-plus

★ 4
@zekunyan

Get notifications when Claude Code needs your attention — works in both CLI and VS Code extension mode

updated Sep 2026

modelport

★ 4
@forkadarshp

Agent skill that upgrades LLM code to Claude Opus 5.5, GPT-6, Gemini 3.8 without breaking prod. Fixes breaking changes, then proves it with tests and evals.

updated Oct 2026

claude-code-skills

★ 4
@luqiang-code
updated Sep 2026

cma-blaxel-sandbox

★ 4
@blaxel-ai

Self-host Claude Managed Agents tool execution on Blaxel sandboxes.

updated Oct 2026

WebBridge

★ 4
@kxdds

Give AI coding agents control of your real Chrome browser — with login sessions, cookies, and extensions.

updated Jun 2026

should-i-care

★ 4
@moltenbit

Should you care about this CVE? An agent skill that triages whether a CVE applies to your environment, with sourced, verifiable reasoning.

updated Aug 2026

veyraskills

★ 4
@veyralabsgroup

VeyraSkills — A curated collection of Claude Code skills for founders, developers and AI builders

updated Jul 2026

cys-harness-creator

★ 4
@idoforgod

Meta-skill factory: a one-sentence domain -> a harness that runs 100% on Claude Code primitives (Agent/TeamCreate). Machine-checked graph contract + AWF genome inheritance (4-layer QA, security/budget hooks) + RLM long-term memory. idoforgod/harness feature-parity superset.

updated Oct 2026

excalidraw-skill-pack

★ 4
@isatimur

Make your AI agent argue visually. Universal skill pack for Excalidraw diagrams across Claude Code, Cursor, Codex, Gemini CLI, and any MCP-compatible agent.

updated Oct 2026
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