2 connection options
Slack
Connect to Slack to share messages and create canvases directly to simplify collaboration and boost productivity. Search and retrieve messages, channels, threads, files, and users, giving Claude the context to streamline your work.
Choose a connection option
Host setup required. Register a Slack app with a fixed app ID and configure confidential OAuth with your client ID and client secret. Only Slack Marketplace-published or internal apps may use MCP; unlisted apps are not supported. Dynamic client registration and SSE are not supported. Each user authorizes the required scopes; workspace administrators may need to approve the app. Runtime access has not been tested.
https://mcp.slack.com/mcpConfigure connection →Connection source and version
Reported by 
Host setup required. Register a Slack app with a fixed app ID and configure confidential OAuth with your client ID and client secret. Only Slack Marketplace-published or internal apps may use MCP; unlisted apps are not supported. Dynamic client registration and SSE are not supported. Each user authorizes the required scopes; workspace administrators may need to approve the app. Runtime access has not been tested.
https://mcp.slack.com/mcpConfigure connection →Connection source and version
Reported by API Tracker · publisher documentation
Sources and listing details
Source listings:
- Claude connector directory · Claude tier: partner ·
- API Tracker · publisher documentation ·
Grouping basis: endpoint. Exact endpoints or package sets can be grouped automatically; other relationships require evidence review. This does not verify publisher affiliation, connection health, or equivalent capabilities.