SUMMARIZATION

Daily AI Digest of a Busy Slack Channel

Each morning, pull the last 24 hours of messages from a high-traffic Slack channel, distill them with GPT into a themed digest, and post it back as a clean recap.

CategorySummarization
Enginesim
Difficultybeginner
Triggerschedule
Steps4
Setup~5 min

How it runs

The automated pipeline, trigger to output.

  • TriggerDaily schedule fires at 8:00 AM
  • ActionFetch last 24h of channel messages + threadsSlack
  • LogicSummarize into themed digest with GPTOpenAI
  • OutputPost recap back to Slack channelSlack

What it does

This workflow turns a noisy, fast-moving Slack channel into a single digestible recap delivered every morning. On a schedule, it fetches the previous 24 hours of messages from a chosen channel, sends the raw thread to OpenAI with a summarization prompt, and posts the result back into Slack as a structured digest — grouped by theme (decisions made, open questions, action items, links shared) with the key contributors credited. Nobody has to scroll back through 300 messages to find out what they missed.

When to use it

Reach for this when a channel like `#engineering`, `#incidents`, `#customer-feedback`, or `#general` generates more chatter than any one person can track. It's ideal for distributed teams across time zones (catch up on what happened overnight), managers who need signal without sitting in every thread, and anyone returning from PTO. Run it once a day for a steady pulse, or bump the schedule to twice daily for very active channels.

How it works

A scheduled trigger fires each morning (default 8:00 AM in your workspace timezone). The workflow calls the Slack API to read all messages posted to the target channel since the last run, including thread replies, and normalizes them into a single transcript with usernames and timestamps. That transcript is passed to OpenAI with a prompt that instructs the model to extract decisions, action items, unresolved questions, and notable links — and to flag anything urgent. The model returns formatted Slack markdown, which the final step posts straight back into the channel (or a dedicated `#daily-digest` channel) so the recap lives where the team already works. If the channel was quiet, it posts a short "nothing major today" note instead of an empty summary.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect SlackChannels, DMs, threads, mentions.
  2. 2
    Connect OpenAIModels, embeddings, files.
  3. 3
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  4. 4
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  5. 5
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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