TRELLO_DISMISS_MEMBER_MESSAGE

Dismisses a specific one-time message for an existing Trello member, preventing it from being displayed again.

SERVERTrello SOURCEmcp-server-trello

Medium RISK CLASS

Category Write

Parameters 20 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trello/trello-dismiss-member-message.md

WHAT IT DOES

What TRELLO_DISMISS_MEMBER_MESSAGE does on Trello

AI agents use TRELLO_DISMISS_MEMBER_MESSAGE to create or update resources in Trello, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Trello environment.

Parameter	Type	Required	Description
`value`	string	—	The type of one-time message to dismiss. This is a string identifier for the message. Specific message types are not explicitly documented by Trello, but genera
`idMember`	string	—	The ID or username of the Trello member.

Parameters from the server's own tool schema.

RISK

Why TRELLO_DISMISS_MEMBER_MESSAGE is rated Medium

This tool modifies a member's UI state by marking a message as dismissed. It's a write operation (updates member preferences/state), but has minimal blast radius as it only affects UI message display for a single member and is a common, low-impact user preference change.

From the tool's definition Dismisses a specific one-time message for an existing Trello member, preventing it from being displayed again.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

TRELLO_DISMISS_MEMBER_MESSAGE Rate-limited

TRELLO_DISMISS_MEMBER_MESSAGE 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": {
    "TRELLO_DISMISS_MEMBER_MESSAGE": {
      "limits": [
        {
          "counter": "trello_dismiss_member_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about TRELLO_DISMISS_MEMBER_MESSAGE

What does the TRELLO_DISMISS_MEMBER_MESSAGE tool do? +

Dismisses a specific one-time message for an existing Trello member, preventing it from being displayed again. It is categorised as a Write tool in the Trello MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does TRELLO_DISMISS_MEMBER_MESSAGE accept? +

TRELLO_DISMISS_MEMBER_MESSAGE accepts 2 parameters: value, idMember. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on TRELLO_DISMISS_MEMBER_MESSAGE? +

Register the Trello MCP server in PolicyLayer and add a rule for TRELLO_DISMISS_MEMBER_MESSAGE: 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_DISMISS_MEMBER_MESSAGE? +

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

Can I rate-limit TRELLO_DISMISS_MEMBER_MESSAGE? +

Yes. Add a rate_limit block to the TRELLO_DISMISS_MEMBER_MESSAGE 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_DISMISS_MEMBER_MESSAGE completely? +

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

TRELLO_DISMISS_MEMBER_MESSAGE 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.

KEEP EXPLORING

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