Compare classes and/or properties defined in an ontology available on the server filesystem or through HTTP upload against schema.gov.it. Args (provide exactly one of file_path or upload_id): - file_path: Absolute path on the MCP server filesystem. Use only if the server can really read that path...
AI agents call compare_local_with_remote to retrieve information from Schema Gov It MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool compares an ontology against schema.gov.it, which is a read/analysis operation. It retrieves and compares data without modifying, deleting, or executing anything. The ability to specify a file path on the server filesystem is noted, which slightly raises concern, but the operation itself is described purely as a comparison/analysis task.
From the tool's definition Compare classes and/or properties defined in an ontology available on the server filesystem or through HTTP upload against schema.gov.it
Documented attack patterns abuse exactly the kind of access compare_local_with_remote gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Schema Gov It MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for compare_local_with_remote:
{
"version": "1",
"default": "deny",
"tools": {
"compare_local_with_remote": {}
}
}compare_local_with_remote is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Compare classes and/or properties defined in an ontology available on the server filesystem or through HTTP upload against schema.gov.it. Args (provide exactly one of file_path or upload_id): - file_path: Absolute path on the MCP server filesystem. Use only if the server can really read that path. - upload_id: UUID returned by POST /upload. Use this in HTTP/remote mode when the ontology file is not present on the server. - type: What to compare —. It is categorised as a Read tool in the Schema Gov It MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Schema Gov It MCP Server MCP server in PolicyLayer and add a rule for compare_local_with_remote: 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 Schema Gov It MCP Server. Nothing to install.
compare_local_with_remote is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the compare_local_with_remote 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 compare_local_with_remote. 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.
compare_local_with_remote is provided by the Schema Gov It MCP Server MCP server (italia/dati-semantic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Schema Gov It 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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47 Schema Gov It MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.