Get metadata about a PDF file including page count, file size, title, author, etc.
AI agents call pdf_get_metadata to retrieve information from PDF MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries and retrieves information about PDF properties without modifying, deleting, or executing any operations. It has no side effects beyond returning informational data, fitting the Read category. Severity is low as metadata disclosure alone poses minimal risk in typical usage contexts.
From the tool's definition Tool retrieves metadata such as page count, file size, title, and author from PDF files. The description explicitly states 'Get metadata about a PDF file' with no indication of modification, deletion, or code execution capabilities.
Attacks that exploit this kind of access
Get metadata about a PDF file including page count, file size, title, author, etc. It is categorised as a Read tool in the PDF MCP Server MCP Server, which means it retrieves data without modifying state.
Register the PDF MCP Server MCP server in PolicyLayer and add a rule for pdf_get_metadata: 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 PDF MCP Server. Nothing to install.
pdf_get_metadata 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 pdf_get_metadata 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 pdf_get_metadata. 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.
pdf_get_metadata is provided by the PDF MCP Server MCP server (volume19/pdf-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
pdf_get_metadata is one line of PDF MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →