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State: Available for Slack destinations after reconnecting the Slack app with the canvases:read permission.

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Overview

Slack Canvas context gives Chartcastr access to canvases in the same Slack channel where a pulse is delivered. This is useful for:
  • Giving AI summaries channel-specific operating context
  • Letting follow-up answers reference runbooks, planning notes, and team docs already pinned to that channel
  • Keeping context automatic instead of manually mapping documents to every source

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How It Works

  1. Connect Slack as a destination
  2. Reconnect once with canvases:read enabled
  3. Send a connection to a Slack channel that has canvases
  4. Chartcastr automatically makes those channel canvases available to the AI
There is no manual mapping step. If a connection sends to #marketing, the AI can inspect canvases from #marketing. If a different connection sends to #finance, the AI can inspect canvases from #finance.

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What Is Automatic

When Slack Canvas permissions are enabled:
  • Initial pulse analysis can list canvases in the destination channel
  • The AI can read the most relevant canvas when its title looks useful
  • Slack follow-up replies in that pulse thread can use the same channel canvases for extra context
Chartcastr does not require you to attach each canvas to a source or source group.

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Setup

1

Connect Slack

Connect your Slack workspace as a destination in Chartcastr.
2

Open the Slack destination integration

Go to the Slack integration detail page in Settings → Destinations → Slack and open the Context tab.
3

Reconnect to grant canvas access

If the integration does not show canvas access yet, click Reconnect and approve the canvases:read permission in Slack.
4

Send pulses to the right channel

Create or update a connection so the pulse is delivered to the Slack channel whose canvases should be available to the AI.

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Scope

Slack Canvas context is channel-scoped:
  • A pulse sent to one Slack channel only gets canvases from that same channel
  • Private channel canvases are available only if the Chartcastr bot is in that private channel
  • If a channel has no canvases, the AI simply continues without them

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FAQ

No. Slack Canvas context is automatic. Once the Slack integration has the right permission, canvases in the destination channel are available to the AI without per-source setup.
No. Chartcastr exposes the channel canvases as available context, and the AI can inspect the relevant ones when needed. It does not need to read every canvas on every pulse.
The Slack destination integration needs the canvases:read scope. Chartcastr also uses standard Slack file access already granted to the app to list and retrieve canvas content.
Yes, if the Chartcastr bot has access to the private channel. If it is not a member, invite the bot first.