update_family_profile · Mcp Veggie MCP: Risk & Policy

WHAT IT DOES

What update_family_profile does on Mcp Veggie

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

WHY IT NEEDS A POLICY

Why update_family_profile needs a policy

This tool creates or modifies user profile data without deleting or destroying it, making it a Write operation. Severity is medium because misuse could expose or alter personal information about household members (names, ages, dietary preferences), which has privacy implications but is reversible and localized to user-owned data with no financial, destructive, or code execution risks.

From the tool's definition Tool updates household family profile data (members, ages, preferences) — a reversible modification operation that changes stored user information.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_family_profile Rate-limited

update_family_profile 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_family_profile": {
      "limits": [
        {
          "counter": "update_family_profile_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 Mcp Veggie, so you can run agents against it safely.

FAQ

Questions about update_family_profile

What does the update_family_profile tool do? +

Update household family profile (members, ages, preferences). It is categorised as a Write tool in the Mcp Veggie 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_family_profile? +

Register the Mcp Veggie MCP server in PolicyLayer and add a rule for update_family_profile: 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 Mcp Veggie. Nothing to install.

What risk level is update_family_profile? +

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

Can I rate-limit update_family_profile? +

Yes. Add a rate_limit block to the update_family_profile 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_family_profile completely? +

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

update_family_profile is provided by the Mcp Veggie MCP server (lovettbarron/mcp-veggiebox). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.