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Tby Trello
Add a comment to a card
Adds a comment with the text you pass to a card and returns the comment action.
Updated Sep 27, 2026Available asAPI
add-card-comment.md
Add a comment to a card
Adds a comment with the text you pass to a card and returns the comment action.
Set up
Use the first option your agent supports.
API (official)
- Base URL: https://api.trello.com/1
- Endpoint:
POST /cards/{id}/actions/comments - Auth: OAuth; sign in when the agent asks
- Docs: https://developer.atlassian.com/cloud/trello/rest/
Before doing anything else, make one read-only call to confirm access.
Rules
- Ask the user before anything that sends messages, costs money, or changes data.
- Never print API keys.
Built from these files in the repository
The layout and the rules come from lib/catalog/render-markdown.ts, the set-up wording from lib/catalog/render-access.ts.
Ways in
| Route | Source | Call | Required | Docs |
|---|---|---|---|---|
| Official | POST /cards/{id}/actions/comments | OAuth | Docs |
Workflows using Add a comment to a card
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No published workflow uses Add a comment to a card yet.