get_cards_by_list_id
Fetch cards from a specific Trello list on a specific board
This record as markdown: /tools/io-github-delorenj-mcp-server-trello/get-cards-by-list-id.md
What get_cards_by_list_id does on Trello
AI agents call get_cards_by_list_id 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.
Why get_cards_by_list_id is rated Low
This tool retrieves/queries card data from a Trello list. It performs a read-only operation with no ability to create, modify, delete, or execute operations. The blast radius of misuse is minimal—an agent could only retrieve information that likely has limited sensitivity in a typical Trello board context.
From the tool's definition Tool name 'get_cards_by_list_id' and description 'Fetch cards from a specific Trello list' indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs get_cards_by_list_id 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 get_cards_by_list_id, this is the rule to start with:
get_cards_by_list_id is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Trello, apply this rule, and every get_cards_by_list_id call is checked against it from then on.
Questions about get_cards_by_list_id
Fetch cards from a specific Trello list on a specific board. It is categorised as a Read tool in the Trello MCP Server, which means it retrieves data without modifying state.
Register the Trello MCP server in PolicyLayer and add a rule for get_cards_by_list_id: 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.
get_cards_by_list_id is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_cards_by_list_id 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.
Set action: deny in the PolicyLayer policy for get_cards_by_list_id. 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.
get_cards_by_list_id is provided by the Trello MCP server (@delorenj/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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