update_budget_item · Wedding Planner MCP Server MCP

WHAT IT DOES

What update_budget_item does on Wedding Planner MCP Server

AI agents use update_budget_item 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_item needs a policy

This tool modifies existing budget records reversibly—changes can be undone by updating again. It does not delete data (which would be Destructive) or execute arbitrary operations (Execute), but rather performs a standard data update operation.

From the tool's definition Tool description states 'Update an existing budget item' with auto-population of cost data. The term 'update' indicates modification of existing data in the budget tracking system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_budget_item Rate-limited

update_budget_item 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_item": {
      "limits": [
        {
          "counter": "update_budget_item_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_item

What does the update_budget_item tool do? +

Update an existing budget item. Estimated cost is auto-populated from Vendors sheet via VLOOKUP. 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_item? +

Register the Wedding Planner MCP Server MCP server in PolicyLayer and add a rule for update_budget_item: 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_item? +

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

Can I rate-limit update_budget_item? +

Yes. Add a rate_limit block to the update_budget_item 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_item completely? +

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

update_budget_item 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.