Summarize shared documents from chat channels

When a new file is shared in Slack, automatically send it to PostNitro to create a summarized document.

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See all PostNitro + Slack integrations or talk to a human

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How Knit builds this workflow

The Agent researches both APIs and wires the trigger on one side to the action on the other — no pre-built connector required. Here is the vocabulary it has to work with.

PostNitro Explore PostNitro →

Triggers

New content generated

Fires when PostNitro finishes generating a draft, image, or video.

Render finished

Fires when a video or asset render completes in PostNitro.

Document published from a flow

Fires when PostNitro publishes a document from a workflow.

Actions

Generate content from a prompt

Sends a prompt to PostNitro and returns the generated text, image or video.

Render from a template

Renders a video or asset from a saved template in PostNitro.

Summarize a block of text

Uses PostNitro to summarize longer text.

Create or update a document

Writes generated content to a document in PostNitro.

Slack Explore Slack →

Triggers

New message posted to a channel

Fires when a new message is posted to a channel in Slack.

Mentioned in a message

Fires when your team or a keyword is mentioned in Slack.

New channel created

Fires when a new channel is created in Slack.

New file shared

Fires when a new file is shared in Slack.

Actions

Send a channel message

Posts a message to a channel in Slack.

Send a direct message

Sends a direct message to a person in Slack.

Create a channel

Creates a new channel in Slack.

Invite a user to a channel

Adds a user to a channel in Slack.

Notify team channels when content rendering finishes When a render finishes in PostNitro, automatically send a channel message in Slack so team members can review the output. See details

Generate draft articles from shared chat messages When a user is mentioned in a message in Slack, automatically generate a draft from that prompt in PostNitro for editorial review. See details

See all PostNitro + Slack integrations → · Browse the full workflow library →

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FAQ

Common questions

Can Knit build “Summarize shared documents from chat channels” between PostNitro and Slack?

Yes — describe it in the box above and Knit's Integrations Agent researches PostNitro and Slack's public API docs (or your own uploaded docs) and builds a working workflow, whether or not either app already has a pre-built connector.

How long does it take to build?

Minutes to a first working version, not weeks — you test it against real data before it goes anywhere near production.

How can PostNitro and Slack work together for content teams?

Team members can send prompts or files in Slack to produce content in PostNitro, while completed drafts post automatically back into chat channels.

Can channel messages start automated content creation?

Yes, posting a message or file in Slack can prompt PostNitro to generate drafts, render media, or summarize documents automatically.