Medium Risk

encrypt_document

加密文档 Args: doc_path: 要加密的文档路径 password: 加密密码 Returns: 包含加密结果的字典

How to control encrypt_document ↓

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

Medium Risk

Encryption is a modification operation that alters document state reversibly. While it affects document accessibility, it does not delete data (Destructive), execute arbitrary code (Execute), create financial transactions (Financial), or merely read data (Read). It fits Write category as a document property modification.

From the tool's definition Tool name is 'encrypt_document' with args 'doc_path' and 'password'. Description translates to 'Encrypt document' with return of encryption result dictionary.

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

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "encrypt_document": {
      "limits": [
        {
          "counter": "encrypt_document_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

encrypt_document 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.

  1. Create a free account and register Office Editor — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
LIMIT THIS TOOL →

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Go deeper

What does the encrypt_document tool do? +

加密文档 Args: doc_path: 要加密的文档路径 password: 加密密码 Returns: 包含加密结果的字典. It is categorised as a Write tool in the Office Editor MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on encrypt_document? +

Register the Office Editor MCP server in PolicyLayer and add a rule for encrypt_document: 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 Office Editor. Nothing to install.

What risk level is encrypt_document? +

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

Can I rate-limit encrypt_document? +

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

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

encrypt_document is provided by the Office Editor MCP server (thewdy/office-editor-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Office Editor tool call.

Deterministic rules across all 88 Office Editor tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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88 Office Editor tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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