Set font family and size for active text layer
AI agents use photoshop_set_text_font to create or update resources in Photoshop MCP Windows-First — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Photoshop MCP Windows-First environment.
This tool modifies document state by changing text layer formatting (font family and size), which is reversible and confined to the active text layer. It qualifies as Write rather than Execute because it performs a specific, well-defined formatting operation rather than running arbitrary code or shell commands.
From the tool's definition Tool name and description indicate it 'Set font family and size for active text layer' — modifies text formatting properties in the active document without deleting content or executing arbitrary code.
Attacks that exploit this kind of access
Set font family and size for active text layer. It is categorised as a Write tool in the Photoshop MCP Windows-First MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Photoshop MCP Windows-First MCP server in PolicyLayer and add a rule for photoshop_set_text_font: 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 Photoshop MCP Windows-First. Nothing to install.
photoshop_set_text_font 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 photoshop_set_text_font 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 photoshop_set_text_font. 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.
photoshop_set_text_font is provided by the Photoshop MCP Windows-First MCP server (rookietopred02-gif/photoshop-mcp-windows-first). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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