immich_people_update · Immich MCP: Risk & Policy

WHAT IT DOES

What immich_people_update does on Immich

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

WHY IT NEEDS A POLICY

Why immich_people_update needs a policy

This tool creates or modifies person records reversibly—a core Write operation. It does not delete data (which would be Destructive) or execute arbitrary code (which would be Execute). However, updating person metadata in a photo library could have downstream effects on organization, tagging, and search results, warranting medium severity rather than low.

From the tool's definition Tool name 'immich_people_update' and description 'Update a person' indicate modification of existing data (person records in the photo management system).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

immich_people_update Rate-limited

immich_people_update 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": {
    "immich_people_update": {
      "limits": [
        {
          "counter": "immich_people_update_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 Immich, so you can run agents against it safely.

FAQ

Questions about immich_people_update

What does the immich_people_update tool do? +

Update a person. It is categorised as a Write tool in the Immich MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on immich_people_update? +

Register the Immich MCP server in PolicyLayer and add a rule for immich_people_update: 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 Immich. Nothing to install.

What risk level is immich_people_update? +

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

Can I rate-limit immich_people_update? +

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

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

immich_people_update is provided by the Immich MCP server (whitehara/immich-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.