Return health information for the MCP server and BookStack API.
AI agents call bookstack_health_check to retrieve information from BookStack MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a diagnostic/monitoring tool that retrieves status information about the server and API. It performs no create, modify, delete, or execute operations. The health check is a standard read operation used for system monitoring and connectivity verification. Severity is low because even if an agent calls this repeatedly, it causes no harm—no data is modified, deleted, or at risk.
From the tool's definition Tool returns health information for the MCP server and BookStack API. The verb 'return' and 'health information' indicate a read-only query operation with no side effects.
Documented attack patterns abuse exactly the kind of access bookstack_health_check gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BookStack MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for bookstack_health_check:
{
"version": "1",
"default": "deny",
"tools": {
"bookstack_health_check": {}
}
}bookstack_health_check is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Return health information for the MCP server and BookStack API. It is categorised as a Read tool in the BookStack MCP Server MCP Server, which means it retrieves data without modifying state.
Register the BookStack MCP Server MCP server in PolicyLayer and add a rule for bookstack_health_check: 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 BookStack MCP Server. Nothing to install.
bookstack_health_check 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 bookstack_health_check 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 bookstack_health_check. 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.
bookstack_health_check is provided by the BookStack MCP Server MCP server (oculairmedia/bookstack-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from BookStack 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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11 BookStack MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.