MCP setupOAuth

Connect Slackbot MCP Client to LeadMagic

For Slackbot, Slackbot MCP Client.

Slack registers with LeadMagic automatically (dynamic client registration) and runs the LeadMagic sign-in; approve access when Slack prompts. Manual-auth callback: https://oauth2.slack.com/external/auth/callback.

Focused MCP endpoint

https://mcp.leadmagic.io/mcp/sheets-core

Sign-in: Slack registers with LeadMagic automatically (dynamic client registration) and runs the LeadMagic sign-in; approve access when Slack prompts. Manual-auth callback: https://oauth2.slack.com/external/auth/callback.

Slack app manifest additions

Recommended

json · manual · OAuth

Slack supports Streamable HTTP only.

1Open your app at api.slack.com/apps.
2Merge the JSON below into the app manifest (adds the mcp:connect bot scope and the leadmagic_sheets server), then reinstall the app.
3Under Features → MCP Servers, fetch the LeadMagic tools.
4A workspace admin must approve the app. Unlisted apps can't use MCP.

{
  "oauth_config": {
    "scopes": {
      "bot": [
        "mcp:connect"
      ]
    }
  },
  "mcp_servers": {
    "leadmagic_sheets": {
      "url": "https://mcp.leadmagic.io/mcp/sheets-core",
      "auth_type": "dynamic_client_registration",
      "auth_provider_key": "mcp_dcr_leadmagic"
    }
  }
}

Client documentation

Slack: Slackbot MCP client

Back to client list Full MCP setup docs