add_budget_item · Wedding Planner MCP Server MCP

WHAT IT DOES

What add_budget_item does on Wedding Planner MCP Server

AI agents use add_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 add_budget_item needs a policy

This tool creates new rows in a budget tracking spreadsheet, which is a reversible modification of data. It does not delete, overwrite irreversibly, execute arbitrary code, or move money. The severity is medium because misuse could corrupt budget records or introduce fraudulent line items, but the damage is recoverable through standard spreadsheet undo operations or manual correction.

From the tool's definition The tool description states 'Add a new item to a specific budget category', which indicates creation of new data entries. The phrase 'uses smart row insertion' confirms modification of the underlying spreadsheet structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_budget_item Rate-limited

add_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": {
    "add_budget_item": {
      "limits": [
        {
          "counter": "add_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 add_budget_item

What does the add_budget_item tool do? +

Add a new item to a specific budget category (uses smart row insertion to preserve formulas). 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 add_budget_item? +

Register the Wedding Planner MCP Server MCP server in PolicyLayer and add a rule for add_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 add_budget_item? +

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

Can I rate-limit add_budget_item? +

Yes. Add a rate_limit block to the add_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 add_budget_item completely? +

Set action: deny in the PolicyLayer policy for add_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 add_budget_item? +

add_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.