Slack Community

Connect AI assistants to Slack using Natoma's hosted community MCP server.

Type: Built by Natoma

Source Type: Repository

Description: Slack Community MCP server provides AI assistants with access to Slack's communication platform using OAuth authentication and Natoma's hosted server image. It enables reading and posting messages, managing channels, searching conversations, and interacting with users.

---

Setup

Admin Setup (one-time)

1. Navigate to https://api.slack.com/apps.

2. Click Create New App > From Scratch, name the app, and select your workspace.

3. In the left sidebar, click OAuth & Permissions.

4. Under Redirect URLs, click Add New Redirect URL and enter:

Use exactly this redirect URL — the OAuth flow will fail if it doesn't match.

https://api.natoma.app/mcp/server/callback

1. Click Add, then Save URLs.

2. Under Scopes → User Token Scopes, add the scopes needed by your organization. Starter set:

channels:history
channels:read
chat:write
groups:history
groups:read
search:read
users:read

1. Under Install App, click Install to Workspace and approve the requested scopes.

2. From Basic Information, copy the Client ID and Client Secret.

In Natoma, an admin adds Slack Community under Apps and enters the Client ID and Client Secret.

Authorize Your Connection

When prompted while creating the connection in Natoma, click Authorize.