AIagentsthatansweryourcustomers.

CHD Labs builds AI agents that handle customer questions, calls and bookings for service businesses.

Based in Munich2 products liveOpen source on npm
Products

Three products, two live.

Each product solves one problem for one kind of customer. We build and run all three ourselves.

Guest assistantLive

Chatbnb.io

A guest assistant for short-term rentals. It learns your house rules, check-in steps and local tips, and answers guests in their language at any hour.

Knowledge baseMulti-languageAlways-onInstructionsMulti-propertyThemesWidget
Start for free →
Knowledge Base
Theme Customization
AI receptionistComing soon

Evoluna.ai

An AI receptionist for practices, salons and studios. It answers calls and WhatsApp messages, books, moves and cancels appointments in your calendar, and hands over to your team when needed.

WhatsAppPhone callsCalendar bookingHandoverKnowledge baseMulti-languageGDPR-ready
Join the waitlist →
Agent memoryLive

5Brains.io

A shared memory for AI agents. Before they act, agents read your decisions, documents, knowledge graph and live databases; afterwards they record what they decided. Your team curates the sources and reviews what agents learn.

MCP serverSDKsKnowledge graphExact recallAgent missionsLive databasesAudit trail
Visit 5Brains.io →
Open source

Open-source tools.

We publish tools we use in our own products. They are free and MIT-licensed.

@chdlabs/my-shield

my-shield

Security middleware for Express apps. It blocks known attackers, traps scanners looking for secrets, and protects login, signup and checkout without CAPTCHAs. It has no dependencies.

Bot protectionHoneypotsNo CAPTCHALogin & checkoutZero dependenciesMIT
npm install @chdlabs/my-shield
View on npm →
FAQ

Frequently asked questions.

For anything not covered here, email [email protected].

CHD Labs is a software company based near Munich. We build and run three products: Chatbnb.io, a guest assistant for short-term rentals; Evoluna.ai, an AI receptionist for appointment businesses (coming soon); and 5Brains.io, a shared memory for AI agents.

Chatbnb.io is for hosts of short-term rentals. Evoluna.ai is for appointment businesses such as practices, salons, studios and firms. 5Brains.io is for teams that build or run their own AI agents.

Each product has its own website. Chatbnb.io has a free plan, and 5Brains.io starts at €19.99 per seat per month. For Evoluna.ai, join the waitlist and we will contact you when it launches.

By email at [email protected].

In Ottobrunn, near Munich. We work in German and English.

Contact

Get in touch.

For questions about our products, partnerships or investment, email us.

[email protected] →
Based inOttobrunn · Munich
ProductsChatbnb.io · Evoluna.ai · 5Brains.io
FocusAI agents · Customer service
Email[email protected]