upsert_meal_calendar · CoupleHub MCP Server MCP

WHAT IT DOES

What upsert_meal_calendar does on CoupleHub MCP Server

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

WHY IT NEEDS A POLICY

Why upsert_meal_calendar needs a policy

Upsert operations are reversible modifications that create or update records. The blast radius is medium because unintended meal calendar changes could disrupt shared household planning, but can be corrected. This is less severe than Destructive (which cannot be undone) and more severe than Read-only operations.

From the tool's definition Tool name 'upsert_meal_calendar' indicates create-or-update operation on calendar data (upsert = update or insert). Sibling tools include 'create_calendar_event', 'create_recipe', and 'create_item', establishing the Write category pattern.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upsert_meal_calendar Rate-limited

upsert_meal_calendar 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": {
    "upsert_meal_calendar": {
      "limits": [
        {
          "counter": "upsert_meal_calendar_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 CoupleHub MCP Server, so you can run agents against it safely.

FAQ

Questions about upsert_meal_calendar

What does the upsert_meal_calendar tool do? +

upsert_meal_calendar. It is categorised as a Write tool in the CoupleHub 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 upsert_meal_calendar? +

Register the CoupleHub MCP Server MCP server in PolicyLayer and add a rule for upsert_meal_calendar: 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 CoupleHub MCP Server. Nothing to install.

What risk level is upsert_meal_calendar? +

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

Can I rate-limit upsert_meal_calendar? +

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

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

upsert_meal_calendar is provided by the CoupleHub MCP Server MCP server (uczesieweba/couplehub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.