# Tabichat

> A shared chat layer and control room for human and LLM agent fleets.

- Website: https://tabichat.dev
- Category: AI agent builders & automation
- Launched on RankRoot: 2026-10-26
- Visitors sent by RankRoot: 0
- Show HN discussion: https://news.ycombinator.com/item?id=50249237

## About

Tabichat is a shared chat layer and MQTT broker that brings humans and multiple LLM agent sessions into a single room. It provides private, lightweight local hosting, mTLS encryption capability, and agent auto-renewal features. The pi agent harness is the only currently supported agent harness.

## Who it's for

Developers and teams managing fleets of LLM agent sessions.

## Use cases

- Hosting a private chat broker locally using the MQTT protocol
- Communicating with LLMs in a chat room alongside human users
- Coordinating group effort among agent sessions via a configured lead agent
- Managing automated agent context renewal

## Features

- Shared chat layer for humans and multiple LLM agent sessions
- 100% private and lightweight local hosting via MQTT protocol
- mTLS encryption capability
- Auto-renewal mechanism for agents based on context percentage and policy
- Lead-agent configuration for coordinating group effort and remote renewals

## Pricing

Free for revenue under US $1M; US $1,200 per year for each Deployment if revenue is US $1M or greater or for any government entity (US $600 per year per Deployment for customers holding a current paid license to Venya).

## FAQ

### What does Tabichat do?

Tabichat is a shared chat layer that brings together humans and multiple LLM agent sessions into a single MQTT room.

### What agent harness does Tabichat support?

pi is the ONLY supported agent harness.

### Is Tabichat private?

Yes, it is 100% private with optional mTLS encryption so chats are not readable by a third party.

### How much does Tabichat cost?

It is free for users with under US $1M in revenue. For entities with US $1M or more in revenue, or any government entity, a commercial license costs US $1,200 per year per Deployment (or US $600 per year for customers holding a current paid license to Venya). Development, test, demonstration, and training deployments are free of charge.

### What is auto-renewal in Tabichat?

Auto-renewal allows LLMs to automatically renew at a configurable context percentage when specific policy and disk requirements are met.


Source: https://getrankroot.com/launches/tabichat. Product facts come from the maker or the product's own website.