create_razor_ui
Create a Razor UI component file (.razor). Returns { created, path, componentName }; errors if the file already exists. NOTE: the current handler generates one fixed basic panel (a root div + label bound to a Title [Property]) from name+directory only — panelType/content/styles/includeStyles are ...
This record as markdown: /tools/sbox/create-razor-ui.md
What create_razor_ui does on Sbox
AI agents use create_razor_ui to create or update resources in Sbox, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sbox environment.
Why create_razor_ui is rated Medium
Creates reversible game UI files; errors if file exists, preventing overwrites.
From the tool's definition Create Razor UI component file (.razor). Returns {created, path, componentName}
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
The rule that runs create_razor_ui safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sbox, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_razor_ui, this is the rule to start with:
create_razor_ui 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 Sbox, apply this rule, and every create_razor_ui call is checked against it from then on.
Questions about create_razor_ui
Create a Razor UI component file (.razor). Returns { created, path, componentName }; errors if the file already exists. NOTE: the current handler generates one fixed basic panel (a root div + label bound to a Title [Property]) from name+directory only — panelType/content/styles/includeStyles are not applied and no .scss is written; for custom markup or a PanelComponent you can host via add_screen_panel, write the files with write_file and check them with razor_lint. Follow with trigger_hotload, then get_compile_errors. It is categorised as a Write tool in the Sbox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sbox MCP server in PolicyLayer and add a rule for create_razor_ui: 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 Sbox. Nothing to install.
create_razor_ui 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_razor_ui 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_razor_ui. 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_razor_ui is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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