batch_update_doc

Execute multiple document operations in a single atomic batch update

SERVERVaultAssist SOURCE3xcaffeine/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/3xcaffeine-mcp-server/batch-update-doc.md

WHAT IT DOES

What batch_update_doc does on VaultAssist

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

RISK

Why batch_update_doc is rated Medium

This tool creates or modifies data reversibly through batch updates to documents. While it executes operations, it does not delete data (Destructive), run arbitrary code/scripts (Execute), or handle financial transactions (Financial).

From the tool's definition Tool name 'batch_update_doc' and description 'Execute multiple document operations in a single atomic batch update' indicate modification of existing documents.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs batch_update_doc safely

PolicyLayer is an MCP gateway: it sits between your AI agents and VaultAssist, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For batch_update_doc, this is the rule to start with:

batch_update_doc Rate-limited

batch_update_doc 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": {
    "batch_update_doc": {
      "limits": [
        {
          "counter": "batch_update_doc_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect VaultAssist, apply this rule, and every batch_update_doc call is checked against it from then on.

FAQ

Questions about batch_update_doc

What does the batch_update_doc tool do? +

Execute multiple document operations in a single atomic batch update. It is categorised as a Write tool in the VaultAssist MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on batch_update_doc? +

Register the VaultAssist MCP server in PolicyLayer and add a rule for batch_update_doc: 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 batch_update_doc? +

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

Can I rate-limit batch_update_doc? +

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

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

batch_update_doc 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.

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