calibrate_colors

THE RISK

Medium Risk

Why calibrate_colors needs a policy

Color calibration in photogrammetry modifies image processing parameters but does not delete data or execute arbitrary code. The operation is reversible (can recalibrate again) and affects the 3D model generation pipeline. Without explicit description, confidence is moderate.

From the tool's definition Tool name 'calibrate_colors' suggests modification of color data in photogrammetry processing. No description provided, but context shows sibling tools like 'align_cameras', 'build_contours', and 'add_marker' all modify project state.

Documented attack patterns abuse exactly the kind of access calibrate_colors gives an agent:

POLICY

How to control calibrate_colors

PolicyLayer is an MCP gateway — it sits between your AI agents and Metashape MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for calibrate_colors:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "calibrate_colors": {
      "limits": [
        {
          "counter": "calibrate_colors_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

calibrate_colors 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.

Create a free account and register Metashape MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Metashape MCP Server tools

Destructive clean_model Remove model artifacts based on filtering criteria. Destructive clear_dem Remove the DEM from the active chunk to free memory. Destructive clear_depth_maps Remove depth maps from the active chunk to free memory. Destructive clear_masks Remove masks from cameras. Destructive clear_model Remove the 3D model from the active chunk to free memory. Destructive clear_orthomosaic Remove the orthomosaic from the active chunk to free memory. Destructive clear_point_cloud Remove the dense point cloud from the active chunk to free memory. Destructive clear_tiled_model Remove the tiled model from the active chunk to free memory.

All 112 Metashape MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about calibrate_colors

What does the calibrate_colors tool do? +

calibrate_colors. It is categorised as a Write tool in the Metashape 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 calibrate_colors? +

Register the Metashape MCP Server MCP server in PolicyLayer and add a rule for calibrate_colors: 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 Metashape MCP Server. Nothing to install.

What risk level is calibrate_colors? +

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

Can I rate-limit calibrate_colors? +

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

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

calibrate_colors is provided by the Metashape MCP Server MCP server (jenkinsm13/metashape-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Metashape MCP Server tool call.

Start from Metashape MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →