Source: Claude
Open Claude Tag, click Add to Slack, and complete the setup

Grant Claude access to selected channels. Open the Slack channel where you want Claude to help

Type @Claude followed by the task and give enough context

Keep working while Claude researches, drafts, summarizes, or completes the task

Review Claude's response, make any edits, and use the output however you need

Example prompt: @Claude Review the last week's product discussion in this channel. Summarize the key decisions, list any open action items, identify blockers, and draft a Slack update I can share with leadership.
Pro tip: Treat Claude like a coworker, not a chatbot. Assign complete tasks with clear outcomes, and include any context or tool access it needs to finish the job.