removeLabelFromCard · Trello MCP Server MCP: Risk & Policy

WHAT IT DOES

What removeLabelFromCard does on Trello MCP Server

AI agents use removeLabelFromCard 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 IT NEEDS A POLICY

Why removeLabelFromCard needs a policy

Removing a label from a card is a reversible modification (the label can be re-added), so it falls under Write. The blast radius is low since it only affects metadata on a single card.

From the tool's definition 'Remove a label from a Trello card' — removes a label association from a card

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

removeLabelFromCard Rate-limited

removeLabelFromCard 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "removeLabelFromCard": {
      "limits": [
        {
          "counter": "removelabelfromcard_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Trello MCP Server, so you can run agents against it safely.

FAQ

Questions about removeLabelFromCard

What does the removeLabelFromCard tool do? +

Remove a label from a Trello 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.

How do I enforce a policy on removeLabelFromCard? +

Register the Trello MCP Server MCP server in PolicyLayer and add a rule for removeLabelFromCard: 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 removeLabelFromCard? +

removeLabelFromCard is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit removeLabelFromCard? +

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

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

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