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Channels, messages, users, reactions via Slack's official reference MCP server.

#Slack

Channels, messages, users, reactions via Slack's official reference MCP server.

#Get a token

Generate a Bot User OAuth Token (xoxb-…) at https://api.slack.com/apps.

  • Create a Slack app, install to workspace, copy the Bot User OAuth Token.
  • Scopes depend on what you want the agent to do.

#Add it to the vault

bash
mcpvault add slack

Example session:

text
$ mcpvault add slack Label: work Bot Token: xoxb-•••• ✓ Validated as workspace "Acme" (bot: agent) ✓ Saved.

#Tools exposed

  • see upstream — channels, messages, users, reactions

#Switch to this account

In any chat client wired to mcpvault, ask:

Switch to my <label> Slack account.

The vault server's activate_account tool flips the active label. Wrappers re-read it on the next call no restart.

Slack — mcpvault docs