Set the body text of a slide (bullet points separated by newlines)
AI agents use keynote_set_slide_body 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 modifies slide content by setting body text, which is a write operation. It creates or updates data within a Keynote presentation reversibly. While it could potentially be misused to insert misleading content into presentations, the blast radius is limited to document modification without destructive or financial impact.
From the tool's definition Tool name 'keynote_set_slide_body' and description 'Set the body text of a slide' indicate modification of presentation content. The action is reversible (text can be changed again) and does not delete data or execute arbitrary code.
Documented attack patterns abuse exactly the kind of access keynote_set_slide_body 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 keynote_set_slide_body:
{
"version": "1",
"default": "deny",
"tools": {
"keynote_set_slide_body": {
"limits": [
{
"counter": "keynote_set_slide_body_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}keynote_set_slide_body 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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Set the body text of a slide (bullet points separated by newlines). 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 keynote_set_slide_body: 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.
keynote_set_slide_body 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 keynote_set_slide_body 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 keynote_set_slide_body. 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.
keynote_set_slide_body 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.