List all PDF files in a directory
AI agents call list_pdfs to retrieve information from Pdf Filler Recursive Simple without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a directory listing operation to enumerate PDF files. It retrieves information without creating, modifying, deleting, or executing any operations. The action is read-only and has minimal blast radius if misused by an AI agent—it could expose file paths or reveal the presence of certain documents, but cannot alter, delete, or execute anything.
From the tool's definition Tool name 'list_pdfs' and description 'List all PDF files in a directory' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all PDF files in a directory. It is categorised as a Read tool in the Pdf Filler Recursive Simple MCP Server, which means it retrieves data without modifying state.
Register the Pdf Filler Recursive Simple MCP server in PolicyLayer and add a rule for list_pdfs: 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 Filler Recursive Simple. Nothing to install.
list_pdfs 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_pdfs 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_pdfs. 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_pdfs is provided by the Pdf Filler Recursive Simple MCP server (songminkyu/pdf-filler-recursive-simple-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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