Append text to the end of the document body (preserves existing formatting). Include a trailing newline to start a new paragraph.
AI agents use pages_add_text to create or update resources in Iwork — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Iwork environment.
This tool creates new content (text) within a Pages document in a reversible manner. While it modifies document state, the operation is not destructive (data is not deleted or overwritten), not executed (no arbitrary code execution), and not financial. Write is the appropriate category.
From the tool's definition Tool description explicitly states it will "Append text to the end of the document body", which is a create/modify operation. The tool modifies an existing document by adding content, fitting the Write category definition.
Documented attack patterns abuse exactly the kind of access pages_add_text gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Iwork, and nothing reaches the server without passing your rules. This is the rule we recommend for pages_add_text:
{
"version": "1",
"default": "deny",
"tools": {
"pages_add_text": {
"limits": [
{
"counter": "pages_add_text_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}pages_add_text 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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Append text to the end of the document body (preserves existing formatting). Include a trailing newline to start a new paragraph. It is categorised as a Write tool in the Iwork MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Iwork MCP server in PolicyLayer and add a rule for pages_add_text: 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 Iwork. Nothing to install.
pages_add_text 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 pages_add_text 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 pages_add_text. 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.
pages_add_text is provided by the Iwork MCP server (reichenbach/iwork_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Iwork, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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114 Iwork tools catalogued and risk-classified — across an index of 43,000+ MCP servers.