AI agents call bible_get_passage to retrieve information from Bible without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and returns Bible passage data. It performs a query operation with no capacity to modify, execute code, delete data, or create side effects. The specified parameters (start and end verse numbers) constrain the operation to simple data retrieval. Misuse by an AI agent would at worst result in retrieving unintended passages, which poses minimal risk.
From the tool's definition Tool description states it 'Get[s] a range of verses from a chapter' with no mention of modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get a range of verses from a chapter. Specify start and end verse numbers to retrieve a passage (e.g. John 3:16-21). It is categorised as a Read tool in the Bible MCP Server, which means it retrieves data without modifying state.
Register the Bible MCP server in PolicyLayer and add a rule for bible_get_passage: 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 Bible. Nothing to install.
bible_get_passage 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 bible_get_passage 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 bible_get_passage. 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.
bible_get_passage is provided by the Bible MCP server (stackpwnies/bible-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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