Upload a file to Plane and get an asset UUID back. Supports local file paths or base64 data. The returned asset_id can be used with plane-page-insert-image to embed images in pages. 3-step presigned upload: create record → upload to storage → mark complete. Max file size: 5 MB.
AI agents use plane-asset-upload to create or update resources in Plane — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Plane environment.
This tool creates new asset records in the system by uploading files and generating asset UUIDs. While uploads modify system state reversibly (files can be deleted), this is a standard Write operation rather than Destructive since file uploads are not irreversible deletions.
From the tool's definition Tool description states 'Upload a file to Plane' and 'create record → upload to storage → mark complete', indicating file creation and data modification operations.
Attacks that exploit this kind of access
Upload a file to Plane and get an asset UUID back. Supports local file paths or base64 data. The returned asset_id can be used with plane-page-insert-image to embed images in pages. 3-step presigned upload: create record → upload to storage → mark complete. Max file size: 5 MB. It is categorised as a Write tool in the Plane MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Plane MCP server in PolicyLayer and add a rule for plane-asset-upload: 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 Plane. Nothing to install.
plane-asset-upload 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 plane-asset-upload 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 plane-asset-upload. 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.
plane-asset-upload is provided by the Plane MCP server (philipvanlewis/plane-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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