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Trello ACTION

Add Attachment To Card

Adds a file attachment on a card. See the documentation
  • Action
  • Writes data
  • OAuth
  • SDK
  • MCP

IMPLEMENTATION

Call this tool

Connect a user's Trello account once, then configure and run Add Attachment To Card from your backend or agent.

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "trello-add-attachment-to-card",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    trello: { authProvisionId: "apn_xxxxxxx" },
    board: "Board",
    cardId: "Card",
  },
})

console.log(result)

SCHEMA

Inputs

Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.

Add Attachment To Card inputs
Property Type Description
board Board string
The Trello board you wish to select
Required Dynamic
cardId Card string
The ID of the Card to add the Attachment to
Required Dynamic
name Name string
The name of the attachment
Optional
file File Path or URL string
Provide either a file URL or a path to a file in the /tmp directory (for example, /tmp/myFile.pdf).
Required
mimeType Mime Type string
Mime type of the attached file. Eg. application/pdf
Required Dynamic
setCover Set Cover? boolean
Determines whether to use the new attachment as a cover for the Card
Optional
syncDir SyncDir dir
Optional

REFERENCE

Tool details

Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.

Registry key
trello-add-attachment-to-card
Version
1.0.9
App
Trello
Authentication
OAuth
Read-only
No
Destructive
No
Open world
Yes