pdf_add
AI agents use pdf_add to create or update resources in PDF RAG MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your PDF RAG MCP Server environment.
An AI agent can call pdf_add faster than any human can review — one bad instruction and it creates or modifies resources in PDF RAG MCP Server by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
pdf_add. It is categorised as a Write tool in the PDF RAG MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the PDF RAG MCP Server MCP server in PolicyLayer and add a rule for pdf_add: 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 RAG MCP Server. Nothing to install.
pdf_add is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the pdf_add 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_add. 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_add is provided by the PDF RAG MCP Server MCP server (wesleygriffin/pdfrag). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.