set_pcb_layer_visibility
A write tool on the Altium-MCP-Suite MCP server.
This record as markdown: /tools/altium-mcp-suite/set-pcb-layer-visibility.md
What set_pcb_layer_visibility does on Altium-MCP-Suite
AI agents use set_pcb_layer_visibility to create or update resources in Altium-MCP-Suite, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Altium-MCP-Suite environment.
Why set_pcb_layer_visibility is rated Medium
This tool modifies PCB design layer visibility settings, which is a reversible change to project state (layers can be toggled back). It does not execute arbitrary code, delete data, or move money. Classification as Write is appropriate. Severity is medium because misuse could obscure important design layers, potentially leading to design errors, but the change is easily reversible.
From the tool's definition Tool name 'set_pcb_layer_visibility' indicates modification of PCB layer visibility settings. The verb 'set' combined with 'visibility' suggests state change to a PCB design project.
Attacks that exploit this kind of access
The rule that runs set_pcb_layer_visibility safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Altium-MCP-Suite, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_pcb_layer_visibility, this is the rule to start with:
set_pcb_layer_visibility 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 Altium-MCP-Suite, apply this rule, and every set_pcb_layer_visibility call is checked against it from then on.
Questions about set_pcb_layer_visibility
set_pcb_layer_visibility is a write tool on the Altium-MCP-Suite MCP server. It is categorised as a Write tool in the Altium-MCP-Suite MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Altium-MCP-Suite MCP server in PolicyLayer and add a rule for set_pcb_layer_visibility: 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 Altium-MCP-Suite. Nothing to install.
set_pcb_layer_visibility 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 set_pcb_layer_visibility 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 set_pcb_layer_visibility. 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.
set_pcb_layer_visibility is provided by the Altium-MCP-Suite MCP server (M-R-Abedini/Altium-MCP-Suite). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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