@zapier/trello-connector

@zapier/trello-connector

Agent-callable scripts for the Trello REST API: create and move cards, manage boards and lists, labels and checklists, comments and attachments, and search — 44 scripts total. Auth is OAuth 1.0a via a Zapier-managed connection (recommended) or direct TRELLO_API_KEY + TRELLO_TOKEN env vars.

Independent, unofficial connector for Trello. Not affiliated with, endorsed by, or sponsored by Trello. "Trello" is a trademark of its owner, used only to identify the service this connector works with.

When to use this

Use this connector when an agent needs to create or update Trello cards, organize boards and lists, manage labels and checklists, or search and read Trello data. It covers the common CRUD and lookup flows agents need for task boards and project tracking.

When NOT to use this

• Webhooks, automations, or Power-Ups — not supported; use Trello's native Butler or Zapier Zaps instead.
• Local file uploads — only URL-based attachments; use Trello's UI or a file-hosting step first.
• Enterprise admin or billing — workspace policy and billing are outside this API surface.

Install

This connector is the same artifact across four shapes: MCP server, CLI bin, importable Node module, and an Agent Skill anchored by SKILL.md. Pick the shape that matches how your agent runs.

# Run a script with zero install — npx fetches the package on first use
export <ENV_VAR>=xxx
npx @zapier/trello-connector@latest run <script> '<input-json>' --connection env:<ENV_VAR>

# Install as a dependency to import the functions in your own code
npm install @zapier/trello-connector

# Or install as an Agent Skill (https://agentskills.io)
npx skills add zapier/connectors --skill trello

Auth is one [<resolver>:]<value> connection string passed with --connection — a selector, not the secret. The <resolver>: prefix is optional; a bare value is claimed by the first matching resolver. See Auth below for the with/without-Zapier tradeoffs and how to find a connection ID.

MCP server

Run the connector as an MCP server over stdio so any MCP-aware client (Claude Desktop, Cursor, Claude Code, …) auto-discovers the scripts as tools — add one stanza to the client's config:

// e.g. claude_desktop_config.json or .cursor/mcp.json
{
  "mcpServers": {
    "trello": {
      "command": "npx",
      "args": ["@zapier/trello-connector", "mcp"]
    }
  }
}

--connection is optional — omit it to pass a connection per tool call, or add "--connection", "zapier:<connection-id>" (or "env:<ENV_VAR>" with "env": { "<ENV_VAR>": "xxx" }) to args to set a default.

Cloning the source

You don't need to clone anything to use this connector — the options above already cover that. Want the actual repo source instead, to read the script code, browse references/, run this connector's tests, or hack on it? Clone with a path filter so you only fetch this one connector, not the whole catalog:

git clone --filter=blob:none --sparse https://github.com/zapier/connectors.git
cd connectors && git sparse-checkout set apps/trello
cd apps/trello && npm install

See the main README to clone several connectors at once.

Scripts

Script	Description
createBoard	Create a new board in a workspace
copyBoard	Copy a board, optionally keeping cards
closeBoard	Archive (close) a board
getBoard	Get a board by id
listBoards	List boards the authenticated member can access
findBoard	Find boards by name
listBoardMembers	List members of a board
addMemberToBoard	Add a member to a board by id or email
createList	Create a list on a board
getList	Get a list by id
listLists	List all lists on a board
findList	Find lists on a board by name
createCard	Create a card on a list with optional members, labels, and attachments
updateCard	Update card fields (name, description, due, cover, list)
archiveCard	Archive (close) a card
moveCard	Move a card to another list or board
getCard	Get a card by id
listCards	List cards on a board with optional filters
searchCards	Search cards using Trello query DSL or structured filters
createComment	Add a comment to a card
getAction	Get an action (activity) by id
listCardAttachments	List attachments on a card
addCardAttachment	Add a URL attachment or link a remote file to a card
createLabel	Create a label on a board
getLabel	Get a label by id
listLabels	List labels on a board
findLabel	Find labels on a board by name
addCardLabel	Add an existing label to a card
removeCardLabel	Remove a label from a card
createChecklist	Create a checklist on a card
getChecklist	Get a checklist by id
deleteChecklist	Delete a checklist
findChecklist	Find checklists on a card by name
addChecklistItem	Add an item to a checklist
getChecklistItem	Get a checklist item by id
findChecklistItem	Find checklist items by name
completeChecklistItem	Mark a checklist item complete or incomplete
getCurrentMember	Get the authenticated member
getMember	Get a member by id
findOrganizationMember	Find members in a workspace
getOrganization	Get a workspace by id
listOrganizations	List workspaces the member belongs to
addCardMember	Add a member to a card
listCustomFields	List custom field definitions on a board

Run npx @zapier/trello-connector@latest run <script> --help to see any script's exact input contract + the available resolvers.

Usage

Each named export is the consumer-facing (input, opts) => Promise<{ data, meta }> function. Pass auth as one [<resolver>:]<value> string, e.g. { connection: "env:<ENV_VAR>" }.

import { listBoards } from "@zapier/trello-connector";

const { data } = await listBoards({}, { connection: "env:TRELLO" });
// data.items → array of boards; meta.outputDataValidation reports any stripped fields.

Auth

Already have a connection value? Pass it as shown above — --connection for the CLI/MCP shapes, { connection } for imported functions. No connection yet? Pick one:

	Load
Pass the credential directly	references/use-without-zapier.md
Route it through a Zapier connection	references/use-with-zapier.md

Links

• SKILL.md — runtime guidance for agents
• Source

• Trello REST API docs

Legal

Scope of license. Zapier licenses only the connector code in this package. Zapier grants no rights in Trello's API, services, data, schemas, documentation, or other materials, which remain the property of Trello. Your use of Trello's API is governed by your own agreement with Trello.

Trademarks and affiliation. Trello and its logos are trademarks of their owner, used here only to identify the service this connector works with. This connector is not affiliated with, endorsed by, or sponsored by Trello.

Your responsibility. This connector calls Trello's API using credentials you supply. You are responsible for holding a valid Trello account, for complying with Trello's API terms, developer policies, and acceptable use rules, and for the data you send and receive through it.

No warranty. This connector is provided "as is," without warranty of any kind, and is not an official Trello product. Zapier is not responsible for changes Trello makes to its API or for any consequence of your use of Trello's API. See the repository LICENSE for the full disclaimer.

Forks. You may fork and modify this connector under the Elastic License 2.0. You may state that your fork is "based on" Zapier's connector, but you may not use the "Zapier" name or logo as the name or branding of your fork, or in any way that suggests Zapier produces, endorses, or supports it.

Licensed under the Elastic License 2.0. See the repository LICENSE and NOTICE.