Low Risk

get_notifications

Get notifications for the authenticated member. Use this to see recent activity and updates.

How to control get_notifications ↓

What get_notifications does on Trello

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

Low Risk

Why get_notifications needs a policy

This tool retrieves notifications for the authenticated user. It is a read-only operation that queries existing data without creating, modifying, deleting, or executing any actions. The description explicitly frames it as viewing/retrieving information ('Get', 'see'), not performing any state-changing operations.

From the tool's definition Tool name 'get_notifications' and description 'Get notifications for the authenticated member. Use this to see recent activity and updates' indicates data retrieval with no modification or side effects.

Documented attack patterns abuse exactly the kind of access get_notifications gives an agent:

How to control get_notifications

PolicyLayer is an MCP gateway — it sits between your AI agents and Trello, and nothing reaches the server without passing your rules. This is the rule we recommend for get_notifications:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_notifications": {}
  }
}

get_notifications is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Trello — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about get_notifications

What does the get_notifications tool do? +

Get notifications for the authenticated member. Use this to see recent activity and updates. It is categorised as a Read tool in the Trello MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_notifications? +

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

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

Can I rate-limit get_notifications? +

Yes. Add a rate_limit block to the get_notifications 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_notifications completely? +

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

get_notifications is provided by the Trello MCP server (v4lheru/trello-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Trello tool call.

Start from Trello, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

76 Trello tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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