OpenTag
Open-source alternative to Claude in Slack: self-hosted AI agent that reads threads, answers questions, calls tools, and renders rich results.
OpenTag
What is OpenTag?
OpenTag vs Similar AI Tools
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How to use OpenTag?
- 1Create a Slack app at api.slack.com/apps using the provided manifest.
- 2Set Bot User OAuth Token and App-Level Token in a .env file.
- 3Run the agent backend and bot processes from the CopilotKit monorepo.
- 4Mention the bot in any Slack thread to interact with it.
OpenTag Key Features
- Reads Slack threads and answers contextually
- Calls external tools via built-in integrations
- Renders rich results (tables, charts, etc.) inline
- Human-in-the-loop approval gates
- Self-hosted with your own LLM and data
- Supports Slack, Discord, Telegram, and WhatsApp
- Built on CopilotKit's open SDK
OpenTag Use Cases
- Summarize long threads in Slack
- File bugs or create tickets from conversations
- Generate reports or charts from team discussions
- Automate workflows with custom tool integrations
OpenTag Pricing & Free Credits
OpenTag currently operates on a Free model.
This tool is completely free to use
OpenTag Pros & Cons
Pros
- Open-source and self-hosted
- No per-seat pricing or vendor lock-in
- Generative UI and human-in-the-loop
- Multi-platform support
Cons
- Requires technical setup and hosting
- Not as plug-and-play as managed services
- Documentation may be sparse for beginners
What is OpenTag best for?
- Teams wanting a customizable AI assistant in Slack
- Developers who want to own their AI stack
- Organizations with strict data privacy requirements
OpenTag FAQ
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