update_budget_category · Wedding Planner MCP Server MCP

WHAT IT DOES

What update_budget_category does on Wedding Planner MCP Server

AI agents use update_budget_category to create or update resources in Wedding Planner MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Wedding Planner MCP Server environment.

WHY IT NEEDS A POLICY

Why update_budget_category needs a policy

This tool modifies existing budget data (renaming categories and updating estimates) but does not delete data or move actual money. The changes are reversible—users can undo or modify again. While it touches financial data (budget estimates), it does not execute actual financial transactions, so it does not rise to the Financial category.

From the tool's definition Tool description states it can 'Rename a budget category and/or update its estimate.' These are reversible modifications to data in the Google Sheets template.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_budget_category Rate-limited

update_budget_category 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": {
    "update_budget_category": {
      "limits": [
        {
          "counter": "update_budget_category_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 Wedding Planner MCP Server, so you can run agents against it safely.

FAQ

Questions about update_budget_category

What does the update_budget_category tool do? +

Rename a budget category and/or update its estimate. Detailed budget header auto-updates via formula. It is categorised as a Write tool in the Wedding Planner 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 update_budget_category? +

Register the Wedding Planner MCP Server MCP server in PolicyLayer and add a rule for update_budget_category: 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 Wedding Planner MCP Server. Nothing to install.

What risk level is update_budget_category? +

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

Can I rate-limit update_budget_category? +

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

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

update_budget_category is provided by the Wedding Planner MCP Server MCP server (kiboud/weddingplanner_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.