Connect Slack and Trello

Slack → Trello: New Keyword Mention. Trello → Slack: Create Card.

Workflow templates

Slack · Trello

Create Trello cards from Slack task messages

Turn Slack messages containing [Task] into Trello cards. Connect Slack and Trello, choose the Slack channel to watch, then browse to the destination board and list. The keyword [Task] is prefilled and matched anywhere in the message, without case sensitivity. Bot messages are ignored. Matching human thread replies also create cards; edits and deletions do not. Each card uses the message text as its title and includes the source channel link, author ID and message timestamp. Keep task messages short and use plain text: Slack mentions and formatting are copied as supplied rather than converted. Includes its own fictional English task example with German characters. Add FastHook to the source channel before activating. Leaving Channels empty watches every channel accessible to the connection. Only new events after activation are processed; existing messages are not imported. This is one-way task capture, not status synchronization. Files and thread history are not copied. Message text becomes visible to members of the destination Trello board. Manual reruns can create duplicate cards.

1. Slack · New Keyword Mention
2. Trello · Capture the Slack task

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Trello · Slack

Send new Trello cards to a Slack channel

Keep your project channel informed when a new card is created on a selected Trello board. Each Slack message contains the card name, board, list and a direct card link. Connect Trello and Slack, choose the board to watch and a channel where the FastHook bot can post. Includes its own fictional English project handoff example. Messages use plain text with link previews disabled; descriptions and attachments are not copied. Wait for the trigger to show Connected before creating the first card; initial webhook registration can take up to 15 minutes. Only new card creation after activation is processed. Existing cards, copied cards, moves and later edits do not send another message. This is a one-way notification, not a status sync. Card names and board details become visible to everyone in the destination channel; the card link still requires Trello access.