This record as markdown: /tools/com-files-python-mcp/update-bundle.md
What Update_Bundle does on Files Com
AI agents use Update_Bundle to create or update resources in Files Com, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Files Com environment.
Why Update_Bundle is rated Medium
This tool creates or modifies data reversibly by updating an existing bundle's share link settings. It does not delete data (thus not Destructive), does not execute arbitrary code (thus not Execute), and does not involve financial transactions (thus not Financial).
From the tool's definition Tool name 'Update_Bundle' and description 'Update Share Link' indicate modification of existing bundle/share configuration.
Attacks that exploit this kind of access
The rule that runs Update_Bundle safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Files Com, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For Update_Bundle, this is the rule to start with:
Update_Bundle 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Files Com, apply this rule, and every Update_Bundle call is checked against it from then on.
Questions about Update_Bundle
Update Share Link. It is categorised as a Write tool in the Files Com MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Files Com MCP server in PolicyLayer and add a rule for Update_Bundle: 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 Files Com. Nothing to install.
Update_Bundle 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 Update_Bundle 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 Update_Bundle. 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.
Update_Bundle is provided by the Files Com MCP server (files-com-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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