get_card_labels

Get all labels assigned to a Trello card.

SERVERTrello MCP Server SOURCEabdwyer/trellomcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abdwyer-trellomcp/get-card-labels.md

WHAT IT DOES

What get_card_labels does on Trello MCP Server

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

RISK

Why get_card_labels is rated Low

This tool retrieves label metadata from a card without creating, modifying, or deleting data. It is a straightforward read operation that queries existing Trello state. The blast radius of misuse is minimal—an agent could at most learn about card organization, which poses no security or operational risk.

From the tool's definition Tool name 'get_card_labels' and description 'Get all labels assigned to a Trello card' indicate a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_card_labels Allowed

get_card_labels 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": {
    "get_card_labels": {}
  }
}

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

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

FAQ

Questions about get_card_labels

What does the get_card_labels tool do? +

Get all labels assigned to a Trello card. It is categorised as a Read tool in the Trello MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_card_labels? +

Register the Trello MCP Server MCP server in PolicyLayer and add a rule for get_card_labels: 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.

What risk level is get_card_labels? +

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

Can I rate-limit get_card_labels? +

Yes. Add a rate_limit block to the get_card_labels 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 get_card_labels completely? +

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

get_card_labels 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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