create_presentation_from_file
AI agents use create_presentation_from_file to create or update resources in Deckbuilder MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Deckbuilder MCP Server environment.
This tool creates or generates new presentation files, which is a write operation that modifies the file system by adding new data artifacts. The severity is medium because while presentations are reversible (can be deleted), creating files could consume storage resources and the blank description creates some ambiguity about exact functionality, though context from siblings and server description clarifies intent.
From the tool's definition Tool name 'create_presentation_from_file' combined with server description stating it 'Creates professional PowerPoint presentations' indicates the tool creates/generates new presentation files.
Documented attack patterns abuse exactly the kind of access create_presentation_from_file gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Deckbuilder MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_presentation_from_file:
{
"version": "1",
"default": "deny",
"tools": {
"create_presentation_from_file": {
"limits": [
{
"counter": "create_presentation_from_file_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_presentation_from_file 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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create_presentation_from_file. It is categorised as a Write tool in the Deckbuilder MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Deckbuilder MCP Server MCP server in PolicyLayer and add a rule for create_presentation_from_file: 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 Deckbuilder MCP Server. Nothing to install.
create_presentation_from_file 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 create_presentation_from_file 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 create_presentation_from_file. 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.
create_presentation_from_file is provided by the Deckbuilder MCP Server MCP server (teknologika/deckbuilder). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Deckbuilder MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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6 Deckbuilder MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.