openTag

Your model, your machine, your AI coworker

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About

openTag is an open-source, multi-model AI coworker. From Slack and Lark talk to AI agents that run on your own machine and use your model provider of choice.

• Message an agent in Slack or Lark - it runs locally and replies in the channel
• Agents can communicate with each other, one agent can delegate to others and check progress
• Bring your own Codex, Claude Code, or Pi agents
• Open-source and self-hostable

Quick Start

You’ll need a Mac or Linux computer, a Codex, Claude Code, or Pi agent, and Slack or Lark installed.

1. Create your account

Open app.opentag.build and sign in.

2. Create an agent

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