get_school_unit_nested_survey_custodians_gran

THE RISK

Low Risk

Why get_school_unit_nested_survey_custodians_gran needs a policy

This tool retrieves existing survey data ('enkätdata' = survey data) about guardians/custodians from the GRAN system. It performs no modifications, deletions, or external operations. The 'get_' prefix and lack of write/delete/execute verbs confirm it is a data retrieval tool.

From the tool's definition Tool description 'Vårdnadshavares enkätdata GRAN (nested)' indicates retrieval of survey data about custodians/guardians. The name contains 'get_' prefix and describes data access without modification capabilities.

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

POLICY

How to control get_school_unit_nested_survey_custodians_gran

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

policy.json

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

get_school_unit_nested_survey_custodians_gran 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 Skolverket 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.

CAP THIS TOOL →

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EXPLORE

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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 get_school_unit_nested_survey_custodians_gran

What does the get_school_unit_nested_survey_custodians_gran tool do? +

Vårdnadshavares enkätdata GRAN (nested). It is categorised as a Read tool in the Skolverket MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_school_unit_nested_survey_custodians_gran? +

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

What risk level is get_school_unit_nested_survey_custodians_gran? +

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

Can I rate-limit get_school_unit_nested_survey_custodians_gran? +

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

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

get_school_unit_nested_survey_custodians_gran is provided by the Skolverket MCP Server MCP server (isakskogstad/skolverket-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Skolverket MCP Server tool call.

Start from Skolverket 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 →