open_presentation
Open an existing PowerPoint presentation from a file.
This record as markdown: /tools/cowork-bench/open-presentation.md
What open_presentation does on Cowork Bench
AI agents call open_presentation to retrieve information from Cowork Bench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why open_presentation is rated Low
The tool opens/reads an existing file for viewing or further processing. 'Open' in this context means loading the file into memory, not modifying it. No side effects described. Severity is low as it only reads local file content.
From the tool's definition Open an existing PowerPoint presentation from a file
Attacks that exploit this kind of access
The rule that runs open_presentation safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Cowork Bench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For open_presentation, this is the rule to start with:
open_presentation is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Cowork Bench, apply this rule, and every open_presentation call is checked against it from then on.
Questions about open_presentation
Open an existing PowerPoint presentation from a file. It is categorised as a Read tool in the Cowork Bench MCP Server, which means it retrieves data without modifying state.
Register the Cowork Bench MCP server in PolicyLayer and add a rule for open_presentation: 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 Cowork Bench. Nothing to install.
open_presentation is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the open_presentation 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 open_presentation. 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.
open_presentation is provided by the Cowork Bench MCP server (0717376/cowork_bench). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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