proj_get_variant_matrix

Read every physical component's full UniqueId and per-variant fitted state.

SERVERAltium-MCP-Suite SOURCEM-R-Abedini/Altium-MCP-Suite

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/altium-mcp-suite/proj-get-variant-matrix.md

WHAT IT DOES

What proj_get_variant_matrix does on Altium-MCP-Suite

AI agents call proj_get_variant_matrix to retrieve information from Altium-MCP-Suite without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why proj_get_variant_matrix is rated Low

Even though proj_get_variant_matrix only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs proj_get_variant_matrix 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 proj_get_variant_matrix, this is the rule to start with:

proj_get_variant_matrix Allowed

proj_get_variant_matrix is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "proj_get_variant_matrix": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Altium-MCP-Suite, apply this rule, and every proj_get_variant_matrix call is checked against it from then on.

FAQ

Questions about proj_get_variant_matrix

What does the proj_get_variant_matrix tool do? +

Read every physical component's full UniqueId and per-variant fitted state. It is categorised as a Read tool in the Altium-MCP-Suite MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on proj_get_variant_matrix? +

Register the Altium-MCP-Suite MCP server in PolicyLayer and add a rule for proj_get_variant_matrix: 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.

What risk level is proj_get_variant_matrix? +

proj_get_variant_matrix is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit proj_get_variant_matrix? +

Yes. Add a rate_limit block to the proj_get_variant_matrix 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.

How do I block proj_get_variant_matrix completely? +

Set action: deny in the PolicyLayer policy for proj_get_variant_matrix. 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.

What MCP server provides proj_get_variant_matrix? +

proj_get_variant_matrix 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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