compare_coverage_with_okg

ServerSchema Gov It MCP Server
CategoryRead

How to control compare_coverage_with_okg ↓

WHAT IT DOES

What compare_coverage_with_okg does on Schema Gov It MCP Server

AI agents call compare_coverage_with_okg 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 RISK

Low Risk

Why compare_coverage_with_okg needs a policy

This tool performs semantic gap analysis through data retrieval and comparison only. It queries external catalogs (OKG, schema.gov.it, Wikidata) and performs read-only operations to identify missing semantic mappings. There are no side effects—no data is created, modified, deleted, or executed. The tool is purely analytical, making it a Read-category risk with minimal blast radius if misused by an AI agent.

From the tool's definition Tool description indicates it 'Fetches OKG resources', 'queries schema.gov.it for matching', and 'Classifies' resources. The workflow shows only retrieval and comparison operations: fetching data, querying for links, and classification.

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

POLICY

How to control compare_coverage_with_okg

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_coverage_with_okg:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "compare_coverage_with_okg": {}
  }
}

compare_coverage_with_okg is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Schema Gov It 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.

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EXPLORE

Related tools and policies

More Schema Gov It MCP Server tools

Execute query_external_endpoint Execute a SPARQL query against any public HTTPS SPARQL endpoint. Args: - endpointUrl: URL Execute query_local_ontology Execute a SPARQL SELECT query against an ontology available on the server filesystem or th Execute query_sparql Execute a RAW SPARQL query against schema.gov.it. Args: - query: The SPARQL query to exec Execute query_uploaded_store Execute a SPARQL SELECT query against a temporary ontology store created via HTTP upload. Write get_upload_instructions Returns the exact curl command to upload a local RDF file to this MCP server and get back Read explore_dataset Get details of a specific Dataset including metadata and distributions. Use this for targ Read navigate_skos_hierarchy Navigate a SKOS hierarchy upward and/or downward from a concept. Args: - uri: Concept URI Read suggest_improvements Analyze the ontology for structural issues. Args: - limit: Maximum issues per category (d

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about compare_coverage_with_okg

What does the compare_coverage_with_okg tool do? +

Gap analysis: compare schema.gov.it semantic resources against the international OKG catalog for a given domain. How it works: 1. Fetches OKG resources for the given category 2. For resources that have a Wikidata ID, queries schema.gov.it for matching owl:sameAs / skos:exactMatch links 3. Classifies each OKG resource as. It is categorised as a Read tool in the Schema Gov It MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on compare_coverage_with_okg? +

Register the Schema Gov It MCP Server MCP server in PolicyLayer and add a rule for compare_coverage_with_okg: 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.

What risk level is compare_coverage_with_okg? +

compare_coverage_with_okg is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit compare_coverage_with_okg? +

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

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

compare_coverage_with_okg 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.

Enforce policy on every Schema Gov It MCP Server tool call.

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.