📖 EventCatalog

The architecture catalog for distributed systems
Document events, services, domains & flows with AI-powered discovery

Documentation | Demo | Discord

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🚀 Quick Start

npx @eventcatalog/create-eventcatalog@latest my-catalog

Looking for help? Start with our Getting Started guide.

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✨ Features

• 🤖 AI-Native Discovery - MCP Server integration, semantic search, auto-documentation
• 📊 Visual Documentation - Beautiful node graphs, flows, and architecture diagrams
• 🔄 Multi-Platform - Kafka, EventBridge, RabbitMQ, SNS/SQS, and more
• 🔐 Enterprise Ready - OAuth2, RBAC, schema governance, breaking change detection
• 🎨 Customizable - Themes, custom MDX components, configurable layouts
• 📦 15+ Generators - OpenAPI, AsyncAPI, AWS, Confluent, Kafka, and more

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📦 Monorepo Structure

EventCatalog is organized as a Turborepo monorepo:

• @eventcatalog/core - Main catalog application (Astro + React)
• @eventcatalog/sdk - Node.js SDK for programmatic catalog management
• @eventcatalog/create-eventcatalog - CLI scaffolding tool

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🎯 Why EventCatalog?

vs. Generic Documentation Tools

• ✅ Purpose-built for distributed systems and event-driven architectures
• ✅ AI-powered discovery and semantic search
• ✅ Schema governance with breaking change detection

vs. Vendor-Specific Tools

• ✅ Platform-agnostic (works with any broker/platform)
• ✅ Vendor-neutral (avoid lock-in)
• ✅ Open source with commercial support

vs. Service Catalogs

• ✅ 5 minutes to value vs 6+ months implementation
• ✅ Event-driven architecture depth, not generic breadth
• ✅ Runtime discovery from traffic analysis

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🌍 Demos

See EventCatalog in action:

• Finance System
• Healthcare System
• E-Commerce System
• SaaS System

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📚 Documentation

Visit our official documentation to learn more.

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💬 Support

Having trouble? Get help in the official EventCatalog Discord.

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🤝 Contributing

We welcome contributions! See our contributing guidelines to get started.

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Contributors ✨

Thanks goes to these wonderful people (emoji key):

David Boyne 💻 🖋 🎨 💡 🤔 📖	Benjamin Otto 💻 🤔 📖 🐛	Tiago Oliveira 📖 🐛	Jay McGuinness 📖	David Khourshid 📖	thim81 🤔 🐛 💻	Muthu 🐛
Dan Tavelli 📖	steppi91 📖	Donald Pipowitch 🐛 💻	Ken 📖	Rodolfo Toro 💻	Drew Marsh 💻	Dec Kolakowski 💻 📖
Yevhenii Dytyniuk 💻	lcsbltm 💻	Matt Martz 💻	Michel Grootjans 💻	Arturo Abruzzini 💻	Ad L'Ecluse 💻	Rafael Renan Pacheco 💻 📖
Luis Diego 💻	Daniel Ruf 📖	Fredrik Johansson 💻	Naresh Kumar Reddy Gaddam 💻	Andre Deutmeyer 💻	Pebbz 💻	Alexander Holbreich 📖
José Delgado 💻	jlee-spt 💻	Kim Rejström 💻	Christophe Gabard 💻	Carlo Bertini 💻	David Regla 💻	Marcio Vinicius 💻
Daniel Andres Castillo Ardila 💻	Baerten Dennis 💻	Ryan Cormack 💻	Nathan Birrell 💻	Jack Tomlinson 💻	Carlos Rodrigues 💻	omid eidivandi 💻
Simone Fumagalli 📖	d-o-h 💻	Cristian Pallarés 💻	Sebastian Rendon 💻	Craig Roberts 💻	Ivan Milosavljevic 📖	Martin Meredith 💻
Ruud Welling 💻	Kevin Pouget 💻	Vitalii Balash 💻	Arnaud Babilone 💻	Alexander Horner 💻	simonwfarrow 💻	Augusto Romero Arango 💻
cc-stjm 💻	Lucian Lature 🐛 💻	Vilas Chauvhan 💻	Eric Hoffman 🐛	wimhaesen-kine 💻	Ondrej Musil 🐛 🤔	Anatoly Bolshakov 💻
reisingerf 📖	Jonathan Barette 💻	mumundum 💻	Piotr Rybarczyk 🐛	ZakaryaCH 🐛	Jasper Boeijenga 💻

This project follows the all-contributors specification. Contributions of any kind welcome!

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📄 License

MIT.