AI agents use ppt_format_text_range to create or update resources in Ppt — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ppt environment.
The tool appears to format text within a range in a PowerPoint presentation, which constitutes reversible modification of data (Write category). It does not delete content (Destructive), execute arbitrary code (Execute), or involve financial transactions (Financial).
From the tool's definition Tool name 'ppt_format_text_range' indicates modification of text formatting in PowerPoint. The description is empty, but the function name and server context (real-time control of Microsoft PowerPoint via COM automation for creating and editing presentations)…
Documented attack patterns abuse exactly the kind of access ppt_format_text_range gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ppt, and nothing reaches the server without passing your rules. This is the rule we recommend for ppt_format_text_range:
{
"version": "1",
"default": "deny",
"tools": {
"ppt_format_text_range": {
"limits": [
{
"counter": "ppt_format_text_range_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}ppt_format_text_range 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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ppt_format_text_range. It is categorised as a Write tool in the Ppt MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ppt MCP server in PolicyLayer and add a rule for ppt_format_text_range: 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 Ppt. Nothing to install.
ppt_format_text_range 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 ppt_format_text_range 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 ppt_format_text_range. 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.
ppt_format_text_range is provided by the Ppt MCP server (ykuwai/ppt-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 156 Ppt tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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156 Ppt tools catalogued and risk-classified — across an index of 42,500+ MCP servers.