writeDocument · DocuFlow MCP: Risk & Policy

WHAT IT DOES

What writeDocument does on DocuFlow

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

WHY IT NEEDS A POLICY

Why writeDocument needs a policy

Without explicit description, the name 'writeDocument' strongly suggests document creation or modification with reversible effects. This fits the Write category (creates or modifies data reversibly). Severity is medium because document modification could corrupt important files or lose data if misused by an agent, but effects remain potentially recoverable depending on backups and file type.

From the tool's definition Tool name 'writeDocument' indicates it creates or modifies documents. Context shows server handles document formats (.docx, .pdf, .xlsx). Sibling tool 'readDocument' suggests read/write symmetry typical of document manipulation APIs.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

writeDocument Rate-limited

writeDocument 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": {
    "writeDocument": {
      "limits": [
        {
          "counter": "writedocument_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 DocuFlow, so you can run agents against it safely.

FAQ

Questions about writeDocument

What does the writeDocument tool do? +

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

How do I enforce a policy on writeDocument? +

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

What risk level is writeDocument? +

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

Can I rate-limit writeDocument? +

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

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

writeDocument is provided by the DocuFlow MCP server (seungmin988/docuflow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.