embedPDF · RAG MCP Server MCP: Risk & Policy

WHAT IT DOES

What embedPDF does on RAG MCP Server

AI agents use embedPDF to create or update resources in RAG MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your RAG MCP Server environment.

WHY IT NEEDS A POLICY

Why embedPDF needs a policy

The tool name and server context strongly suggest this tool reads a PDF file and writes its embeddings into the vector database (ChromaDB). This is a Write operation (creating new data in the store). Severity is medium because it could pollute or overwrite the knowledge base used for RAG responses, but it is reversible (embeddings can be deleted). Confidence is moderate because the description is empty.

From the tool's definition Tool name 'embedPDF' combined with server description mentioning 'PDF embedding' — implies ingesting/processing a PDF and writing vector embeddings into ChromaDB.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

embedPDF Rate-limited

embedPDF stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "embedPDF": {
      "limits": [
        {
          "counter": "embedpdf_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches RAG MCP Server, so you can run agents against it safely.

FAQ

Questions about embedPDF

What does the embedPDF tool do? +

embedPDF. It is categorised as a Write tool in the RAG MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on embedPDF? +

Register the RAG MCP Server MCP server in PolicyLayer and add a rule for embedPDF: 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 RAG MCP Server. Nothing to install.

What risk level is embedPDF? +

embedPDF is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit embedPDF? +

Yes. Add a rate_limit block to the embedPDF 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.

How do I block embedPDF completely? +

Set action: deny in the PolicyLayer policy for embedPDF. 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.

What MCP server provides embedPDF? +

embedPDF is provided by the RAG MCP Server MCP server (nsantra/rag-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.