Quick Summary
Slack
Slack app with Block Kit and threads
- Socket Mode (no public URL needed)
- Block Kit formatting
- Thread support
Matrix
Decentralized Matrix protocol support
- Decentralized/federated
- End-to-end encryption
- Thread support
Capability Comparison
| Capability | Slack | Matrix |
|---|---|---|
| Direct Messages | ✓ Yes | ✓ Yes |
| Group Chats | ✓ Yes | ✓ Yes |
| Media Messages | ✓ Yes | ✓ Yes |
| Voice Messages | — No | — No |
| Reactions | ✓ Yes | ✓ Yes |
| Thread Support | ✓ Yes | ✓ Yes |
| Native Commands | ✓ Yes | — No |
| Text Limit | 4000 chars | 4096 chars |
| Protocol | @slack/bolt | matrix-bot-sdk |
Access Control Policies
Slack
DM Policies
allowlistpairingopen
Group Policies
allowlistopen
Matrix
DM Policies
allowlistpairingopen
Group Policies
allowlistopen
Best Use Cases
Choose Slack for:
- Workplace AI assistant
- Team productivity
- DevOps automation
- Customer support
Choose Matrix for:
- Privacy-focused teams
- Open source communities
- Self-hosted environments
Use with AI Providers
Both channels work with all OpenClaw AI providers:
Frequently Asked Questions
Which is better for AI assistants, Slack or Matrix?
Both work well with OpenClaw. Slack is better for workplace ai assistant, while Matrix excels at privacy-focused teams. Consider your audience and feature requirements.
Can I use both Slack and Matrix with OpenClaw?
Yes! OpenClaw supports multiple channels simultaneously. You can connect the same AI assistant to both Slack and Matrix, allowing users to interact through their preferred platform.
Which has better group chat support?
Both support group chats. Slack uses allowlist, open policies, while Matrix uses allowlist, open.