TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER

Retrieves cards from a specific Trello list, filtered by criteria like 'open', 'closed', or 'all'.

SERVERTrello SOURCEmcp-server-trello

Low RISK CLASS

Category Read

Parameters 20 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-by-filter.md

WHAT IT DOES

What TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER does on Trello

AI agents call TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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
`filter`	string	—	The filter criterion to apply to the cards in the list. Common values include 'open', 'closed', or 'all'.
`idList`	string	—	The ID of the Trello list from which to retrieve cards.

Parameters from the server's own tool schema.

RISK

Why TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER is rated Low

This tool only queries and retrieves existing data from Trello without any capability to create, modify, delete, or execute operations. It is a straightforward read operation with minimal blast radius—misuse would only expose information the user already has access to in their Trello board.

From the tool's definition Tool name includes 'GET' and description states 'Retrieves cards from a specific Trello list' with no mention of modification, deletion, or side effects. The filtering is purely query-based ('open', 'closed', or 'all').

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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_BY_FILTER, this is the rule to start with:

TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER Allowed

TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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_BY_FILTER": {}
  }
}

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_BY_FILTER call is checked against it from then on.

FAQ

Questions about TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER

What does the TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER tool do? +

Retrieves cards from a specific Trello list, filtered by criteria like 'open', 'closed', or 'all'. 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_BY_FILTER accept? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER accepts 2 parameters: filter, idList. 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_BY_FILTER? +

Register the Trello MCP server in PolicyLayer and add a rule for TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER: 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_BY_FILTER? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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_BY_FILTER? +

Yes. Add a rate_limit block to the TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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_BY_FILTER completely? +

Set action: deny in the PolicyLayer policy for TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER. 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_BY_FILTER? +

TRELLO_GET_LISTS_CARDS_BY_ID_LIST_BY_FILTER 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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