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

8241entries
★ starsA–Z name

agent-board

25
@quentintou

Open-source multi-agent task board for OpenClaw. Kanban + DAG dependencies + MCP server + auto-retry + audit trail. Built for autonomous AI agent teams.

updated Jul 2026

claude-dev-suite

25
@claude-dev-suite

Specialized agents, MCP servers, skills, and a visual dashboard for Claude Code. MIT.

updated Jul 2026

forge

25
@malakhov-dmitrii

Plan iron, verify real. Claude Code plugin: ironclad planning with independent verification chain. Turns any input into bulletproof plans, executes with TDD, verifies with agents that never saw the executor's work.

updated Jul 2026

mathlib-quality

25
@CBirkbeck

Claude Code skill plugin for cleaning up, golfing, and bringing Lean 4 code up to mathlib standards

updated Jul 2026

openclaw-plugin-claude-code

25
@13rac1

🦞 OpenClaw Plugin - Run Claude Code in Podman/Docker containers

updated Jul 2026

gnosis-mcp

25
@nicholasglazer

Zero-config MCP server for searchable documentation (SQLite default, PostgreSQL optional)

updated Jul 2026

architect-mcp-server

25
@ageborn-dev

A powerful, self-extending MCP server for dynamic AI tool orchestration. Features sandboxed JS execution, capability-based security, automated rate limiting, marketplace integration, and a built-in monitoring dashboard. Built for the Model Context Protocol (MCP).

updated Jun 2026

seine-agentic-search-orchestrator-plugin

25
@adambkovacs

Seine: Agentic search orchestration. 20 AI agents. Gated pipeline. Calibrated confidence. Claude Code/Cowork plugin.

updated Jul 2026

hotl-plugin

25
@yimwoo

HOTL plugin for Codex, Claude Code, and Cline. Human-on-the-Loop AI coding workflows with planning, review, and verification.

updated Jul 2026

agentfactory-business-plugins

25
@panaversity

Marketplace of domain-specific plugins for AI agents (Cowork, Claude Code, OpenClaw). Build autonomous business workflows for finance, banking, legal operations, and sales using modular agent skills and commands.

updated Jul 2026

claude-tools

25
@leighstillard

Developer tooling setup for Claude Code — installs and configures RTK, LSP servers, and plugins

updated Apr 2026

liquid-skills

25
@Shopify

Liquid language support plugin for Claude Code

updated Jul 2026

labmate

25
@freemty

Research Harness for Claude Code. Keep your agent grounded in context, not lost in vibe coding.

updated Jul 2026

claude-channel-line

25
@Moksa1123

LINE Channel for Claude Code - 讓 Claude Code 即時收發 LINE 訊息:LINE Messaging API + MCP server、多用戶配對、遠端權限核准、圖片備份 Google Drive

updated Jul 2026

SPEQTRO

25
@OhhMoo

SPEQTRO is an open-source CLI and MCP server that uses Claude to interpret NMR, IR, and MS data — identifying unknown compounds and verifying structures from plain-language queries.

updated Jul 2026

telegram-api-mcp

25
@timoncool

Ultimate Telegram Bot API MCP server — full v9.6 coverage, meta-mode, rate limiting, circuit breaker. TypeScript.

updated Jul 2026

stagent

25
@jie-worldstatelabs

Claude Code plugin that stops "almost done" loops — declare your stages in workflow.json, runs them as a state machine that auto-retries until quick tests, code review, and journey tests all pass. Live web viewer + cross-machine resume + templates hub.

updated May 2026

sense

25
@luuuc

MCP server for AI coding agents - gives Claude Code, OpenCode, Cursor, and Codex CLI structural understanding of your codebase: symbol graph, blast radius, semantic search, conventions.

updated Jul 2026

floodsung-skill

25
@floodsung

开源我自己 — A Claude Code skill trained on Flood Sung's entire Zhihu corpus (152 articles + 178 pins + 254 answers). Fork it to open-source yourself.

updated Jun 2026

ffmpeg-llm

25
@rendi-api

An FFmpeg plugin for Claude Code. Describe what you want, get the command.

updated Jun 2026

MCP-Server-for-ISO27001

25
@Sushegaad

Model Context Protocol (MCP) server for ISO27001: A stateful Model Context Protocol (MCP) server that gives Claude a complete ISO 27001:2022 Information Security Management System (ISMS). Ask Claude to run gap assessments, manage risks, generate policies, track evidence, and run audits — all backed by an encrypted SQLite database on your machine.

updated Jul 2026

cn-patent-drafter

25
@handsomeZR-netizen

全网首个 CNIPA 2026 规范同步、产品级、可复现的中国发明专利 Claude Code Skill — 30 秒装好,一句话起草专利。

updated Jul 2026

plan-tango

25
@egsok

Claude Code plugin: runs a Claude ↔ Codex plan-review loop on autopilot. One command, polished plan.

updated Jul 2026

Draftspect-Add-Ins-for-Word-and-Excel-Powered-by-Claude-Code

25
@LeonardHope

Draftspect — open Word or Excel and chat with your own local Claude Code: it reads and edits the document and can pull in any local folders/files you point it at (notes, drafts, data, a repo) as context. Your configured agent — MCP, skills, CLAUDE.md — on your machine. Powered by Claude Code.

updated Jul 2026
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