AI agents use format_text_in_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.
This tool modifies document content (formatting) reversibly without deleting data. It fits the Write category—formatting changes can be undone or adjusted. Severity is medium because careless formatting changes to important documents could degrade readability or impact document integrity, but the changes are not destructive or irreversible.
From the tool's definition Tool name 'format_text_in_document' combined with server context of creating/editing Office documents (Word, Excel, PowerPoint). Sibling tools like 'add_text_to_document' and 'add_slide' confirm this is a document modification tool.
Documented attack patterns abuse exactly the kind of access format_text_in_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 format_text_in_document:
{
"version": "1",
"default": "deny",
"tools": {
"format_text_in_document": {
"limits": [
{
"counter": "format_text_in_document_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}format_text_in_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.
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format_text_in_document. 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.
Register the Office Editor MCP server in PolicyLayer and add a rule for format_text_in_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.
format_text_in_document is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the format_text_in_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.
Set action: deny in the PolicyLayer policy for format_text_in_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.
format_text_in_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.
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.