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

8240entries
★ starsA–Z name

shopflow-suite

1
@xiaojiou176-open

Chrome-first shopping extension product family with 8 storefront apps, 1 Suite shell, a reviewer-facing release shelf, and a read-only stdio MCP surface.

updated May 2026

claude-cli-auth

1
@Chris0x88

Authentication tooling for Claude Code workflows. Small, sharp, useful — kills a friction point I hit daily.

updated Apr 2026

hermes-loop

1
@akijain2000

Self-improving agent extension — creates skills from experience, compresses context iteratively, maintains persistent memory. Runs on Pi or Claude Code. Combines pi-mono + hermes-agent + Skill Factory.

updated May 2026

socials

1
@Brainrot-Creations

Claude Code plugin + MCP server: connect Claude to the Socials browser extension for X, LinkedIn & Reddit (Agent Mode, local WebSocket bridge).

updated Jun 2026

vertex-ai-mcp

1
@Eyalm321

MCP server for Google Vertex AI — 181 tools covering all v1 REST API endpoints

updated Jun 2026

meridian

1
@amos-whitewolf

Use your Claude Max subscription with OpenCode, Pi, Droid, Aider, Crush, Cline. Proxy that bridges Anthropic's official SDK to enable Claude Max in third-party tools.

updated Apr 2026

claude-code-telegrammer

1
@scitex-ai

Custom Telegram MCP server + TUI auto-responder for Claude Code — 10 MCP tools, SQLite message store, access control, reaction support

updated Jul 2026

lossless-claude

1
@offendingcommit

Cross-runtime memory bridge between Claude Code and OpenClaw via the lossless-claw LCM SQLite database. MCP recall tools, PreCompact capture hook, SessionStart bootstrap, lcm-recall skill.

updated Apr 2026

mailchimp-mcp

1
@Eyalm321

MCP server for Mailchimp Marketing API v3 — 280+ tools covering campaigns, lists, automations, e-commerce, templates, reports, and more

updated Jun 2026

claude-code-powerkit

1
@Neens6655

One paste. Full Claude Code setup in 5 min. 10 MCP servers, 54 skills, 70 specialist subagents — no terminal required.

updated May 2026

reason_trace

1
@abhinandang90

Local-first reasoning drift detection for AI agents, served as an MCP server. reasontrace automatically baselines agent behavior and detects shifts in tool use, semantic style, and complexity—all locally on your machine. Compatible with Claude Code, Cursor, and the Anthropic SDK.

updated Apr 2026

claude-quote-generator

1
@Pavan-G-K

A Python-based CLI tool that leverages the Anthropic Claude API to generate, display, and save themed motivational quotes in JSON format.

updated Jun 2026

claude-cert-prep

1
@lucasxf

Practice exams and study tools for Anthropic's Claude certifications

updated Apr 2026

DetroitSportChatBot

1
@geoClink

Detroit Sports Chatbot — AI chatbot with live ESPN scores, Claude API tool use, and prompt engineering eval pipeline. Built with Python and Streamlit.

updated Jul 2026

engineering-os-extension

1
@Jerovino

Engineering Leader OS — Claude Code plugin with skills for daily routines, reviews, meeting prep, and decision logging

updated May 2026

ollama-router-claude-code

1
@kaunainkaisarwani

Use multiple Ollama API keys in a single Claude Code session — keys auto-rotate on rate limits so you never stop coding. Drop-in proxy for any Ollama model (Gemma, Qwen, LLaMA, Mistral). Full tool calling, streaming, smart cooldowns, and auto-failover.

updated Apr 2026

hivecode

1
@JasonDiazTTB

Real-time analytics dashboard for Claude Code — track sessions, tools, files, and costs via MCP

updated Apr 2026

claude-devtools-vscode-extension

1
@pavelpilyak

Cursor/VS Code extension that embeds the Claude DevTools UI (session viewer for Claude Code) as a native tab — macOS only.

updated Apr 2026

context-engine

1
@JaimeJunr

Drop-in token saver for Claude Code & MCP agents — auto-rewrite hooks + 10-tool MCP server + BM25/PageRank repo maps + call graphs in 7 languages + local RAG. Single Rust binary, 100% local, zero APIs.

updated Jun 2026

deluge-lsp

1
@bcvictory

Deluge Language Server — LSP for Zoho Deluge with 324 functions, diagnostics, hover, completions. Works as Claude Code plugin and VS Code extension.

updated Jul 2026

claude-docker

1
@jandarn

A secure, isolated Docker environment to run Claude Code (Anthropic's CLI tool) privately. This project ensures the AI only has access to explicitly shared files, protecting the rest of your host operating system.

updated Jun 2026

citadel-saas-factory

1
@Citadel-Cloud-Management

265 autonomous AI agents across 15 business domains. Full-stack SaaS framework with real model routing, RAG pipeline, guardrails, and Chrome extension. FastAPI + Next.js + K3s. Runs on any server. $0/month software cost.

updated Jun 2026

llaml

1
@deths74r

Canonical-type LLM client for OCaml — OpenAI / Anthropic / Gemini / Bedrock and 9 OpenAI-compatible providers behind one set of types. Streaming, tools, reasoning effort, prompt caching, router with fallbacks.

updated Apr 2026

mnemoverse-vscode

1
@mnemoverse

Mnemoverse VS Code extension — persistent memory for AI coding assistants. OAuth-powered, syncs with Claude Code, ChatGPT, Cursor and other AI tools.

updated Jun 2026
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