waf_rule_stats

返回当前已加载规则的统计：含 rules_file、compiled_rules、compile_failed、compile_errors（截断）及分类计数。

SERVERHospital WAF MCP SOURCE12211725-star/hospital-waf-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade C, identity unverified Pull the record →

This record as markdown: /tools/12211725-star-hospital-waf-mcp/waf-rule-stats.md

WHAT IT DOES

What waf_rule_stats does on Hospital WAF MCP

AI agents call waf_rule_stats to retrieve information from Hospital WAF MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why waf_rule_stats is rated Low

This tool retrieves and reports metadata about the WAF's rule engine state (compilation status, rule counts, error summaries). It performs no side effects—no rules are created, modified, deleted, or executed. It is a purely informational read operation with minimal security impact if misused.

From the tool's definition Tool name 'waf_rule_stats' and description state it 'returns statistics of currently loaded rules' including rule file paths, compiled rule counts, failure counts, and categorized counts.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs waf_rule_stats safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hospital WAF MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For waf_rule_stats, this is the rule to start with:

waf_rule_stats Allowed

waf_rule_stats is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hospital WAF MCP, apply this rule, and every waf_rule_stats call is checked against it from then on.

FAQ

Questions about waf_rule_stats

What does the waf_rule_stats tool do? +

返回当前已加载规则的统计：含 rules_file、compiled_rules、compile_failed、compile_errors（截断）及分类计数。. It is categorised as a Read tool in the Hospital WAF MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on waf_rule_stats? +

Register the Hospital WAF MCP server in PolicyLayer and add a rule for waf_rule_stats: 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 Hospital WAF MCP. Nothing to install.

What risk level is waf_rule_stats? +

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

Can I rate-limit waf_rule_stats? +

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

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

waf_rule_stats is provided by the Hospital WAF MCP server (12211725-star/hospital-waf-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Hospital WAF, and thousands of servers like it.

This server

All 4 Hospital WAF tools →

Across the catalogue

The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →