# OpenTag

> Bring Claude Code, Codex or Pi to Slack and Lark.

Bring Claude Code, Codex or Pi to Slack and Lark. openTag is a free, open source AI coworker that runs on your machine with your own plan or API key.

## Facts
- Website: https://opentag.build
- Pricing: free
- Categories: Open Source, Developer Tools, AI & Machine Learning
- LotsDirectory page: https://lots.directory/products/opentag
- Listing state: Unclaimed. We listed this product from its public website, and its owner has not claimed it yet.

## Detailed info

## What is OpenTag?

OpenTag is an open source AI coworker that connects Slack and Lark to coding agents running on your local machine.

## What OpenTag does

OpenTag connects Slack and Lark chat workspaces to coding agent runtimes including Codex, Claude Code, and Pi. When mentioned in a thread, openTag routes tasks to a background process on a Mac or Linux computer using your own model subscription or API key. The platform preserves shared team memory in a git-backed Context Tree repository.

## Who OpenTag is for

Software engineers, startup teams, and open source maintainers managing tasks from chat.

## How OpenTag works

Users create an agent profile, paste a connection command into their local terminal, and link their agent to a Slack or Lark workspace.

## Key features

- Open source AI coworker with Docker self-hosting support under Apache 2.0.
- Chat integration with Slack and Lark to delegate tasks directly from message threads.
- Local agent execution on Mac and Linux using existing subscriptions or API keys.
- Works with agents including Claude Code, Codex, and Pi.
- Shared team memory using Context Tree, a file-based, git-backed markdown repository.
- Connects with development tools including GitHub, Notion, Linear, Jira, and Figma.

## Pricing

As listed on opentag.build, checked 8 November 2026. Prices can change; see the site for current terms.

- Free: open source and free to use with your own model subscriptions or API keys.

## Facts from opentag.build, checked 8 November 2026

- Open source software under Apache 2.0.
- Connects to Slack and Lark messaging workspaces.
- Runs locally on Mac and Linux computers.
- Works with Claude Code, Codex, and Pi runtimes.

Written from OpenTag's own website ([Homepage](https://opentag.build/)). The maker can claim this listing to edit it.

## FAQ

### What is openTag?
openTag is an open source AI coworker that lives in Slack and Lark and runs coding agents on your computer.

### Which messaging platforms are supported?
openTag supports Slack and Lark.

### Which agent runtimes can I connect?
It supports agent runtimes including Claude Code, Codex, and Pi.

### How is team memory managed?
Team memory is stored in Context Tree, a file-based, git-backed memory layer hosted in your GitHub organization.

### Is openTag free?
Yes. openTag is free and open source under the Apache 2.0 license.

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Source: https://lots.directory/products/opentag · Machine-readable context by LotsDirectory.