AI agents call list_commentaries to retrieve information from FHL Bible MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and enumerates available commentary resources from the Bible study database. It performs a read-only query operation that returns information about commentaries without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an AI agent could only retrieve potentially sensitive commentary metadata, but cannot alter data or perform external operations.
From the tool's definition Tool name is 'list_commentaries' and description states '列出所有可用的註釋書' (list all available commentaries). The verb 'list' indicates retrieval of data without modification or side effects.
Documented attack patterns abuse exactly the kind of access list_commentaries gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and FHL Bible MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_commentaries:
{
"version": "1",
"default": "deny",
"tools": {
"list_commentaries": {}
}
}list_commentaries is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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列出所有可用的註釋書。. It is categorised as a Read tool in the FHL Bible MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FHL Bible MCP Server MCP server in PolicyLayer and add a rule for list_commentaries: 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 FHL Bible MCP Server. Nothing to install.
list_commentaries 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 list_commentaries 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 list_commentaries. 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.
list_commentaries is provided by the FHL Bible MCP Server MCP server (ytssamuel/fhl-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from FHL Bible MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
56 FHL Bible MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.