AI agents use set_reference_settings to create or update resources in Metashape MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Metashape MCP Server environment.
The tool modifies reference settings in a photogrammetry project, which alters project configuration that can be changed or reverted. While the empty description limits confidence, the naming convention suggests Write-class behavior (configuration updates). Severity is medium because incorrect reference settings could compromise 3D model accuracy and project outputs, requiring rework.
From the tool's definition Tool name 'set_reference_settings' indicates modification of reference configuration parameters in Metashape. The 'set' verb and 'settings' object suggest reversible configuration changes rather than data retrieval or destructive operations.
Documented attack patterns abuse exactly the kind of access set_reference_settings gives an agent:
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 set_reference_settings:
{
"version": "1",
"default": "deny",
"tools": {
"set_reference_settings": {
"limits": [
{
"counter": "set_reference_settings_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}set_reference_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.
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set_reference_settings. 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.
Register the Metashape MCP Server MCP server in PolicyLayer and add a rule for set_reference_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 Metashape MCP Server. Nothing to install.
set_reference_settings is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_reference_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.
Set action: deny in the PolicyLayer policy for set_reference_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.
set_reference_settings 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.
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.
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112 Metashape MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.