immich_shared_links_update · Immich MCP: Risk & Policy

WHAT IT DOES

What immich_shared_links_update does on Immich

AI agents use immich_shared_links_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_shared_links_update needs a policy

This tool modifies the properties of existing shared links but does not delete them or move money. It falls under Write because it creates or modifies data reversibly. Severity is medium because misconfiguration could expose photo library access to unintended recipients (via password removal or expiry extension), but the effects are reversible and limited to sharing permissions rather than data loss or destruction.

From the tool's definition Update shared link settings: expiry, password, download permission. The verb 'update' modifies existing data (shared link configuration) reversibly. Changes to expiry, password, or download permissions can be undone by subsequent updates.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

immich_shared_links_update Rate-limited

immich_shared_links_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_shared_links_update": {
      "limits": [
        {
          "counter": "immich_shared_links_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_shared_links_update

What does the immich_shared_links_update tool do? +

Update shared link settings: expiry, password, download permission. 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_shared_links_update? +

Register the Immich MCP server in PolicyLayer and add a rule for immich_shared_links_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_shared_links_update? +

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

Can I rate-limit immich_shared_links_update? +

Yes. Add a rate_limit block to the immich_shared_links_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_shared_links_update completely? +

Set action: deny in the PolicyLayer policy for immich_shared_links_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_shared_links_update? +

immich_shared_links_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.