update_meal_calendar_entry · CoupleHub MCP Server MCP

WHAT IT DOES

What update_meal_calendar_entry does on CoupleHub MCP Server

AI agents use update_meal_calendar_entry 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 update_meal_calendar_entry needs a policy

This tool modifies existing meal calendar data (Write category), which is a reversible operation. Severity is low because: (1) the data being modified is personal meal planning information with minimal business impact, (2) the blast radius if misused by an AI agent is limited to a couple's meal plans, and (3) changes can be easily corrected by updating again or deleting the entry.

From the tool's definition Tool performs 'Update' operation on meal calendar entries, which creates or modifies data reversibly. Description states it updates 'a single meal entry', indicating modification without deletion or irreversible destruction.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_meal_calendar_entry Rate-limited

update_meal_calendar_entry 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_meal_calendar_entry": {
      "limits": [
        {
          "counter": "update_meal_calendar_entry_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 update_meal_calendar_entry

What does the update_meal_calendar_entry tool do? +

Update a single meal entry. Get entry id from get_meal_calendar first. 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 update_meal_calendar_entry? +

Register the CoupleHub MCP Server MCP server in PolicyLayer and add a rule for update_meal_calendar_entry: 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 update_meal_calendar_entry? +

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

Can I rate-limit update_meal_calendar_entry? +

Yes. Add a rate_limit block to the update_meal_calendar_entry 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_meal_calendar_entry completely? +

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

update_meal_calendar_entry 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.