icf_get_children · ICF MCP Server MCP: Risk & Policy

WHAT IT DOES

What icf_get_children does on ICF MCP Server

AI agents call icf_get_children to retrieve information from ICF MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why icf_get_children needs a policy

This tool retrieves structured data from the WHO ICF classification without modifying, deleting, or executing operations. It queries a medical/health classification database to return related child codes, which is a non-destructive data retrieval operation. No side effects or risk of data modification exist.

From the tool's definition Tool name 'icf_get_children' suggests retrieval of child categories/codes within the ICF classification hierarchy. The server description emphasizes 'lookup, search, browsing, and explanation' of ICF codes—all read-only operations.

Attacks that exploit this kind of access

Questions about icf_get_children

What does the icf_get_children tool do? +

icf_get_children. It is categorised as a Read tool in the ICF MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on icf_get_children? +

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

What risk level is icf_get_children? +

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

Can I rate-limit icf_get_children? +

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

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

icf_get_children is provided by the ICF MCP Server MCP server (stayce/icf-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.