clear_card_due_date
Remove the due date from a card.
This record as markdown: /tools/abdwyer-trellomcp/clear-card-due-date.md
What clear_card_due_date does on Trello MCP Server
AI agents use clear_card_due_date to create or update resources in Trello MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Trello MCP Server environment.
Why clear_card_due_date is rated Medium
This tool modifies a card by removing its due date field. This is a reversible write operation — the due date can be re-added at any time. It does not delete the card itself, execute code, or have financial implications. Severity is low since it only affects a single metadata field on a card.
From the tool's definition Remove the due date from a card
Attacks that exploit this kind of access
The rule that runs clear_card_due_date safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Trello MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For clear_card_due_date, this is the rule to start with:
clear_card_due_date stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Trello MCP Server, apply this rule, and every clear_card_due_date call is checked against it from then on.
Questions about clear_card_due_date
Remove the due date from a card. It is categorised as a Write tool in the Trello MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Trello MCP Server MCP server in PolicyLayer and add a rule for clear_card_due_date: 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 MCP Server. Nothing to install.
clear_card_due_date is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the clear_card_due_date 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 clear_card_due_date. 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.
clear_card_due_date is provided by the Trello MCP Server MCP server (abdwyer/trellomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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