openclaw - 💡(How to fix) Fix [Bug]: Slack socket mode connects successfully, but public channel events are not received [1 comments, 2 participants]

Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

Slack DM works, but public channel messages and app mentions are not received by OpenClaw.

Steps to reproduce

• app_mention enabled in Event Subscriptions
• message.channels also enabled
• Bot token scopes include:
  • app_mentions:read
  • channels:history
  • channels:read
  • chat:write
• App token scope includes:
  • connections:write
• allowFrom was removed from config
• Slack plugin is loaded
• Slack channel status shows OK
• Socket mode shows connected in logs

Expected behavior

When I mention the bot in a public Slack channel, OpenClaw should receive the event and respond

Actual behavior

• Slack DM works normally
• Slack socket mode connects successfully
• Public channel messages and app mentions do not appear in OpenClaw logs
• No inbound Slack event seems to be received from public channels

OpenClaw version

2026.04.08

Operating system

mac OS 15.4

Install method

npm global

Model

openai-codex/gpt-5.4

Provider / routing chain

openclaw -> local gateway -> slack socket mode

Additional provider/model setup details

OpenClaw is installed globally via npm on macOS and uses a local gateway on loopback. The effective agent model under test is openai-codex/gpt-5.4. Slack is configured with bot token + app token in Socket Mode. DM works correctly, but public channel events are not received. allowFrom was previously present and then removed during troubleshooting. The issue persists after upgrading OpenClaw from 2026.4.5 to 2026.4.8, restarting the gateway, and confirming that the Slack plugin is loaded and the Slack channel status is OK.

Logs, screenshots, and evidence

Relevant evidence:

1. Slack plugin is loaded:
- `@openclaw/slack` status: loaded
- source: `stock:slack/index.js`
- version: `2026.4.8`

2. Slack channel health appears normal:
- Slack: ON / OK
- tokens ok
- accounts 1/1

3. Socket mode connects successfully:
- `slack socket mode connected`

4. DM works, but public channel events do not appear in logs:
- Mentioning the bot in a public Slack channel does not generate inbound Slack event logs
- Public channel messages also do not appear to be received

5. Troubleshooting already attempted:
- `app_mention` enabled
- `message.channels` enabled
- required scopes added
- `allowFrom` removed
- gateway restarted
- OpenClaw updated from 2026.4.5 to 2026.4.8

6. Earlier instability observed during troubleshooting:
- websocket pong timeout warnings
- ECONNRESET on Slack websocket
- plugin load later recovered and Slack plugin now shows as loaded

Example log lines:
- `slack socket mode connected`
- no corresponding public channel inbound event logs after `@Joshua hi`

Impact and severity

No response

Additional information

No response