AI agents call find_pdf_files to retrieve information from MokuPDF without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to search for or list PDF files, which is a read-only operation with no side effects. It retrieves information without modifying data. Confidence is slightly reduced due to empty tool description, but contextual clues from the server purpose and sibling tools strongly suggest a search/retrieval function.
From the tool's definition Tool name 'find_pdf_files' and sibling tools (search_text, get_page_text, read_pdf, get_metadata, open_pdf) all indicate data retrieval operations.
Attacks that exploit this kind of access
find_pdf_files. It is categorised as a Read tool in the MokuPDF MCP Server, which means it retrieves data without modifying state.
Register the MokuPDF MCP server in PolicyLayer and add a rule for find_pdf_files: 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 MokuPDF. Nothing to install.
find_pdf_files 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 find_pdf_files 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 find_pdf_files. 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.
find_pdf_files is provided by the MokuPDF MCP server (jameslovespancakes/mokupdf). 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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