Extract metadata from a PDF document including title, author, creation date, page count, PDF version, and structural information. Args: - file_path (string): Absolute path to a local PDF file - response_format (
AI agents call get_metadata to retrieve information from Pdf Reader without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata from PDF files without creating, modifying, deleting, or executing any operations. It is a straightforward read operation similar to other sibling tools like 'get_page_count' and 'inspect_structure'. The blast radius of misuse is minimal—an agent could only learn information already embedded in the document. No destructive, financial, or code-execution capabilities are present.
From the tool's definition Tool name 'get_metadata' and description 'Extract metadata from a PDF document' indicate pure data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Extract metadata from a PDF document including title, author, creation date, page count, PDF version, and structural information. Args: - file_path (string): Absolute path to a local PDF file - response_format (. It is categorised as a Read tool in the Pdf Reader MCP Server, which means it retrieves data without modifying state.
Register the Pdf Reader MCP server in PolicyLayer and add a rule for 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 Reader. Nothing to install.
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 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 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.
get_metadata is provided by the Pdf Reader MCP server (shuji-bonji/pdf-reader-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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