TRELLO_GET_LISTS_CARDS_BY_ID_LIST

Fetches cards from a Trello list by its ID, with options to filter and customize the returned card data.

SERVERTrello SOURCEmcp-server-trello

Low RISK CLASS

Category Read

Parameters 120 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trello/trello-get-lists-cards-by-id-list.md

WHAT IT DOES

What TRELLO_GET_LISTS_CARDS_BY_ID_LIST does on Trello

AI agents call TRELLO_GET_LISTS_CARDS_BY_ID_LIST to retrieve information from Trello without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`limit`	string	—	The maximum number of cards to return. Must be a number from 1 to 1000, provided as a string. The default integer value `2` will be automatically converted to t
`since`	string	—	Filter cards to include only those created or updated after this date. Provide a date string (e.g., YYYY-MM-DD or an ISO 8601 datetime string) or 'null'.
`before`	string	—	Filter cards to include only those created or updated before this date. Provide a date string (e.g., YYYY-MM-DD or an ISO 8601 datetime string) or 'null'.
`fields`	string	—	Fields to include for cards. Use 'all' or a comma-separated list of specific fields. Valid fields include: badges, checkItemStates, closed, dateLastActivity, de
`filter`	string	—	Filter cards by their state. Valid values are 'all', 'closed', 'none', or 'open'. Defaults to 'open'.
`idList`	string	—	The ID of the list from which to retrieve cards.
`actions`	string	—	Determines what actions are returned. Use 'all' to return all actions, or provide a comma-separated list of specific action types. Valid action types include: a
`members`	string	—	Specify whether to include members. Accepted string values are 'true' or 'false'.
`stickers`	string	—	Specify whether to include stickers. Accepted string values are 'true' or 'false'.
`checklists`	string	—	Specify whether to include checklists. Valid values are 'all' or 'none'. Defaults to 'none'.
`attachments`	string	—	Specify whether to include attachments. Accepted string values are 'true', 'false', or 'cover' (to retrieve only card cover attachments).
`member_fields`	string	—	Fields to include for members. Use 'all' or a comma-separated list of specific fields. Valid fields include: avatarHash, bio, bioData, confirmed, fullName, idPr

Parameters from the server's own tool schema.

RISK

Why TRELLO_GET_LISTS_CARDS_BY_ID_LIST is rated Low

This tool retrieves existing card data from a Trello list. It has no capability to create, modify, delete, or execute actions. The worst case misuse is unauthorized viewing of cards the user may not have access to, which is a low-severity information disclosure risk within the context of Trello board visibility.

From the tool's definition Tool name contains 'GET' and description states it 'Fetches cards' with 'options to filter and customize the returned card data' — purely a retrieval operation with no modification, deletion, or execution of side effects.

Risk signalsHigh parameter count (14 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs TRELLO_GET_LISTS_CARDS_BY_ID_LIST safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Trello, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For TRELLO_GET_LISTS_CARDS_BY_ID_LIST, this is the rule to start with:

TRELLO_GET_LISTS_CARDS_BY_ID_LIST Allowed

TRELLO_GET_LISTS_CARDS_BY_ID_LIST is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "TRELLO_GET_LISTS_CARDS_BY_ID_LIST": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Trello, apply this rule, and every TRELLO_GET_LISTS_CARDS_BY_ID_LIST call is checked against it from then on.

FAQ

Questions about TRELLO_GET_LISTS_CARDS_BY_ID_LIST

What does the TRELLO_GET_LISTS_CARDS_BY_ID_LIST tool do? +

Fetches cards from a Trello list by its ID, with options to filter and customize the returned card data. It is categorised as a Read tool in the Trello MCP Server, which means it retrieves data without modifying state.

What parameters does TRELLO_GET_LISTS_CARDS_BY_ID_LIST accept? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST accepts 12 parameters: limit, since, before, fields, filter, idList, actions, members, stickers, checklists, attachments, member_fields. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on TRELLO_GET_LISTS_CARDS_BY_ID_LIST? +

Register the Trello MCP server in PolicyLayer and add a rule for TRELLO_GET_LISTS_CARDS_BY_ID_LIST: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Trello. Nothing to install.

What risk level is TRELLO_GET_LISTS_CARDS_BY_ID_LIST? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit TRELLO_GET_LISTS_CARDS_BY_ID_LIST? +

Yes. Add a rate_limit block to the TRELLO_GET_LISTS_CARDS_BY_ID_LIST rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block TRELLO_GET_LISTS_CARDS_BY_ID_LIST completely? +

Set action: deny in the PolicyLayer policy for TRELLO_GET_LISTS_CARDS_BY_ID_LIST. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides TRELLO_GET_LISTS_CARDS_BY_ID_LIST? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST is provided by the Trello MCP server (mcp-server-trello). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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