apply_local_adjustment_settings

Set local_* adjustment parameters on the currently active mask.

SERVERLightroom Classic MCP SOURCE4xiomdev/lightroom-classic-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/4xiomdev-lightroom-classic-mcp/apply-local-adjustment-settings.md

WHAT IT DOES

What apply_local_adjustment_settings does on Lightroom Classic MCP

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

RISK

Why apply_local_adjustment_settings is rated Medium

This tool creates or modifies local adjustment masks and their parameters in Lightroom Classic, which is a reversible operation (Lightroom maintains edit history and undo capability). It does not delete data, execute arbitrary code, or move money. The blast radius is medium because an agent could apply unwanted adjustments to valuable photos, but changes are undoable and non-destructive.

From the tool's definition Tool description states 'Set local_* adjustment parameters on the currently active mask' — this modifies photo adjustment settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs apply_local_adjustment_settings safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Lightroom Classic MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For apply_local_adjustment_settings, this is the rule to start with:

apply_local_adjustment_settings Rate-limited

apply_local_adjustment_settings 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": {
    "apply_local_adjustment_settings": {
      "limits": [
        {
          "counter": "apply_local_adjustment_settings_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Lightroom Classic MCP, apply this rule, and every apply_local_adjustment_settings call is checked against it from then on.

FAQ

Questions about apply_local_adjustment_settings

What does the apply_local_adjustment_settings tool do? +

Set local_* adjustment parameters on the currently active mask. It is categorised as a Write tool in the Lightroom Classic MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on apply_local_adjustment_settings? +

Register the Lightroom Classic MCP server in PolicyLayer and add a rule for apply_local_adjustment_settings: 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 Lightroom Classic MCP. Nothing to install.

What risk level is apply_local_adjustment_settings? +

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

Can I rate-limit apply_local_adjustment_settings? +

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

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

apply_local_adjustment_settings is provided by the Lightroom Classic MCP server (4xiomdev/lightroom-classic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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