How to Set Up Claude with Slack in 2026

The Claude Slack app integration lets you search messages, summarize channels, and catch up on team conversations without leaving Claude. Once connected, Claude can read messages, threads, and channel histories directly from your Slack workspace — no scrolling, no digging through pinned items. Setup takes less than a minute.

You need a Claude Pro ($20/month) or Team ($30/user/month) plan. The Claude Slack integration is read-only: Claude can search and read messages, but it cannot post, edit, or delete anything in your workspace. You control which channels Claude can access during the OAuth authorization flow.

How to Connect Slack to Claude in 2026

Step 1: Open Claude and go to Settings > Integrations.
Step 2: Find Slack in the list and click Connect.
Step 3: Sign in with your Slack account and authorize access via OAuth.
Step 4: Select which channels to grant Claude access to — you can add or remove channels later.
Step 5: Slack now appears as a context source in your Claude conversations.
Step 6: To disconnect, return to Settings > Integrations and click Remove.

FAQ: Claude and Slack

› Is the Claude Slack integration free?
No. You need a Claude Pro ($20/month) or Team ($30/user/month) plan to connect Slack to Claude. The free tier does not support integrations. No additional Slack plan upgrade is required.

› Can Claude send messages in Slack?
No. The Claude Slack integration is read-only. Claude can search and read your Slack messages but cannot post, edit, or delete anything in your workspace. It is a search and summarization tool, not a bot.

› Does Claude have access to private Slack channels and DMs?
Only channels you explicitly grant access to during the OAuth authorization flow. Direct messages and private channels are excluded by default. You can add or remove channel access at any time from Claude settings.

› Is my Slack data safe when connected to Claude?
Yes. Anthropic does not use your Slack messages or conversations to train its AI models on Pro and Team plans. Data stays private, and you can disconnect the integration at any time from Settings.

› Can I use the Claude Slack integration on mobile?
Yes. The integration works on claude.ai from any browser, including mobile Safari and Chrome. There is no separate mobile app required — just log in to claude.ai and access your Slack data.

Why Use Claude with Slack

Catch up on channels you missed without reading hundreds of messages — the fastest way to use Claude with Slack for team updates.
Search across your workspace using natural language instead of Slack’s built-in search syntax.
Summarize long threads in seconds — get the key decisions without the back-and-forth.
Find specific conversations by topic, person, or date range without scrolling.
Extract action items from discussions that would otherwise get buried in the feed.
Pair with Claude + Zapier to trigger automated workflows based on Slack summaries.
Slack is just one of many — see the complete guide to Claude integrations for the full list.

How to Use Claude with Slack Efficiently

Ask Claude to summarize one channel at a time — “summarize #engineering from the last 3 days” produces better results than “summarize everything.”
Use date ranges to narrow searches — “find messages about the API outage last Tuesday” is faster than “find messages about outages.”
Combine Slack with the Claude + Notion integration to turn Slack discussions into structured Notion pages automatically.
Ask Claude to extract decisions, not just summaries — “what did the team decide about pricing?” is more useful than “summarize the pricing thread.”
Use Claude to prepare for meetings — ask it to pull the last week of relevant channel activity so you walk in informed.
Review channel access quarterly — remove channels Claude no longer needs to read.

What You Can Do With Claude and Slack

Summarize channels — ask Claude to condense a week of messages into five key points with names and dates.
Search by topic — find every message about a specific feature, client, or incident across all connected channels.
Extract action items — point Claude at a thread and ask it to list every task mentioned, who owns it, and the deadline.
Catch up after time off — ask Claude to summarize everything you missed in your top channels while you were away.
Track decisions — ask Claude to find the last time the team discussed a specific topic and what was decided.
Cross-reference with other tools — pull Slack context alongside a GitHub pull request via Claude or Google Drive documents to understand the full picture around a code change.

Best Prompts to Try With Claude and Slack

Summarize the #engineering channel from the last 5 days and list the top 3 decisions that were made.

Find every message in #product that mentions [feature name] and tell me the current status based on the latest discussion.

Read the thread about the production incident on [date] and give me a timeline of what happened, who responded, and how it was resolved.

List all action items mentioned in #marketing this week, who owns each one, and whether a deadline was set.

Summarize everything I missed in #general, #engineering, and #design over the last 3 days in one consolidated briefing.

Find the last conversation about pricing changes and tell me what the team decided.

Search all connected channels for messages from [person] in the last month and summarize their main contributions.