Does Claude support the Slack MCP server?

Yes. Claude connects to the Slack MCP server through its connector settings, pointed at your Metorial URL. You need any Claude plan; Free plans allow one custom connector.

Do I need an API key to connect Slack to Claude?

No. You sign in to Slack once through Metorial, and Claude uses that connection. No API keys go into Claude's settings.

Which Slack tools can Claude use?

All 48 Slack tools your team allows, such as Manage Pins, Manage Channel Members, Get User Info. Admins can narrow that list per team.

Can I control which teammates use Slack in Claude?

Yes. Role-based access control decides who can use Slack and which of its tools appear in Claude, and every call is logged with the person's identity.

What if Claude doesn't show Slack tools?

On Team and Enterprise plans an Owner adds custom connectors in Organization settings, then Connectors. Members then connect it with their own account.

Connect Slack to Claude (MCP setup guide)

Ask Claude to use the manage pins tool in Slack
Ask Claude to use the manage channel members tool in Slack
Ask Claude to use the get user info tool in Slack
Ask Claude to use the get team info tool in Slack
Ask Claude to use the manage user groups tool in Slack

1. Enable Slack in Metorial
In your Metorial portal, enable the Slack MCP server and sign in with the account that owns the data. Access stays governed by your team policies.
2. Add a custom connector
Open Customize, then Connectors. Select Add, then Custom, then Web.
3. Paste your Metorial MCP URL
Name it Metorial, paste your Magic MCP URL (<your-magic-mcp-url>) and continue.
4. Sign in
Select Add and sign in to load Slack tools.

Once Slack is enabled in Metorial, teammates sign in with SSO and get the same connection in Claude, with only the tools their role allows.

One link covers every app you approve. See how the MCP gateway handles access, roles and audit logs for the whole company.

Manage Pins: Pin or unpin messages in a Slack channel, or list all pinned items.
Manage Channel Members: Invite users to or remove users from a Slack channel.
Get User Info: Look up a Slack user's profile and status.
Get Team Info: Retrieve information about the Slack workspace (team), including its name, domain, email domain, and icon.
Manage User Groups: Create, update, enable, disable, or list user groups (also known as @mention handle groups) in Slack.
Send Message: Send a message to a Slack channel, group DM, or direct message conversation.
Schedule Message: Schedule a message to be sent to a Slack channel at a future time.
Manage Reminders: Create, complete, delete, or list Slack reminders.
Manage Channel: Create, update, archive, unarchive, or configure a Slack channel.
Get Conversation History: Retrieve message history from a Slack channel, DM, or group DM.
Manage Bookmarks: Add, edit, remove, or list bookmarks (saved links) in a Slack channel.
Manage Files: Upload, list, get info about, or delete files in Slack.
Update Message: Update or delete an existing Slack message.
Manage Reactions: Add, remove, or list emoji reactions on a Slack message.
Search Messages: Search messages across a Slack workspace with Real-time Search using keywords or a natural-language question.
And 33 more on the Slack MCP server page.

Turn Metorial on for a conversation with the + button, then Connectors; each connector has its own toggle.
Claude asks before it runs a Slack tool. Choose Allow always only for tools you trust to run unsupervised.
Use the Search and tools menu to switch off tools you do not need in the current conversation.
Remove the connector from Customize, then Connectors. Team and Enterprise owners can do this for the whole organization.

Members on a Team or Enterprise plan cannot add the connector: On Team and Enterprise plans an Owner adds custom connectors in Organization settings, then Connectors. Members then connect it with their own account.
The Free plan only allows one custom connector: One is enough: your Metorial URL carries every app your team approves, so you never need a second connector.
Tools do not show up in a chat: Connectors are switched on per conversation. Open the + menu in the chat, choose Connectors, and turn Metorial on.

Based on the Claude MCP documentation.

Frequently asked questions

Common questions about connecting Slack to AI agents with Metorial.

Does Claude support the Slack MCP server?
Yes. Claude connects to the Slack MCP server through its connector settings, pointed at your Metorial URL. You need any Claude plan; Free plans allow one custom connector.
Do I need an API key to connect Slack to Claude?
No. You sign in to Slack once through Metorial, and Claude uses that connection. No API keys go into Claude's settings.
Which Slack tools can Claude use?
All 48 Slack tools your team allows, such as Manage Pins, Manage Channel Members, Get User Info. Admins can narrow that list per team.
Can I control which teammates use Slack in Claude?
Yes. Role-based access control decides who can use Slack and which of its tools appear in Claude, and every call is logged with the person's identity.
What if Claude doesn't show Slack tools?
On Team and Enterprise plans an Owner adds custom connectors in Organization settings, then Connectors. Members then connect it with their own account.