get_doc_content

THE RISK

Low Risk

Why get_doc_content needs a policy

This tool retrieves existing document content from Google Drive/Docs without creating, modifying, deleting, or executing any operations. It has no side effects beyond fetching data. The severity is low because unauthorized read access to documents, while a privacy concern, does not cause irreversible damage or financial harm compared to write or destructive operations.

From the tool's definition Tool name 'get_doc_content' and description 'Retrieve content of a Google Doc or Drive file' both indicate data retrieval without modification.

Documented attack patterns abuse exactly the kind of access get_doc_content gives an agent:

POLICY

How to control get_doc_content

PolicyLayer is an MCP gateway — it sits between your AI agents and VaultAssist, and nothing reaches the server without passing your rules. This is the rule we recommend for get_doc_content:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_doc_content": {}
  }
}

get_doc_content is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register VaultAssist — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_doc_content

What does the get_doc_content tool do? +

Retrieve content of a Google Doc or Drive file (.docx, etc.). It is categorised as a Read tool in the VaultAssist MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_doc_content? +

Register the VaultAssist MCP server in PolicyLayer and add a rule for get_doc_content: 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 VaultAssist. Nothing to install.

What risk level is get_doc_content? +

get_doc_content is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_doc_content? +

Yes. Add a rate_limit block to the get_doc_content 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 get_doc_content completely? +

Set action: deny in the PolicyLayer policy for get_doc_content. 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 get_doc_content? +

get_doc_content is provided by the VaultAssist MCP server (3xcaffeine/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every VaultAssist tool call.

Start from VaultAssist, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →