Connector: Slack

What it provides

Post messages to Slack channels and threads. Used by The Herald for
release announcements and standup briefings, and The Doorman for health alerts.

Available Tools

Tool	Description	Members
`slack.post`	Post a message to a channel	Herald, Doorman
`slack.thread`	Reply to a thread	Herald
`slack.channels.list`	List available channels	Herald

Primary Members

The Herald — morning briefings, release announcements, evening reports
The Doorman — health check alerts, idle work warnings

Setup

{
  "mcp": {
    "servers": {
      "slack": {
        "command": "npx",
        "args": ["-y", "@modelcontextprotocol/server-slack"],
        "env": {
          "SLACK_BOT_TOKEN": "${SLACK_BOT_TOKEN}",
          "SLACK_TEAM_ID": "${SLACK_TEAM_ID}"
        }
      }
    }
  }
}

Suggested Channel Routing

Message type	Channel
Morning briefing	`#dev-standup`
Release announcement	`#releases`
Health check alert	`#dev-alerts`
Evening report	`#dev-standup`

Notes

Requires a Slack Bot Token with chat:write and channels:read scopes
Post rate limit: 1 message per second per channel
Messages are one-way — the Society posts but does not read Slack messages