list_library_footprints

List all footprints in a specific KiCAD library

SERVERKiCAD-MCP-Server SOURCEmixelpixx/kicad-mcp-server

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/mixelpixx-kicad-mcp-server/list-library-footprints.md

WHAT IT DOES

What list_library_footprints does on KiCAD-MCP-Server

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

RISK

Why list_library_footprints is rated Low

This tool only retrieves and displays existing footprint data from a KiCAD library with no side effects, data modification, or external operations. It is a pure read operation that queries the library contents. No data can be created, deleted, or corrupted. Severity is low because exposure of library metadata poses minimal risk even if accessed inappropriately by an AI agent.

From the tool's definition Tool name is 'list_library_footprints' and description states 'List all footprints in a specific KiCAD library'. The verb 'list' and 'read-only' nature of retrieving/querying library contents without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_library_footprints safely

PolicyLayer is an MCP gateway: it sits between your AI agents and KiCAD-MCP-Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_library_footprints, this is the rule to start with:

list_library_footprints Allowed

list_library_footprints 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": {
    "list_library_footprints": {}
  }
}

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

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

FAQ

Questions about list_library_footprints

What does the list_library_footprints tool do? +

List all footprints in a specific KiCAD library. It is categorised as a Read tool in the KiCAD-MCP-Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_library_footprints? +

Register the KiCAD-MCP-Server MCP server in PolicyLayer and add a rule for list_library_footprints: 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 KiCAD-MCP-Server. Nothing to install.

What risk level is list_library_footprints? +

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

Can I rate-limit list_library_footprints? +

Yes. Add a rate_limit block to the list_library_footprints 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 list_library_footprints completely? +

Set action: deny in the PolicyLayer policy for list_library_footprints. 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 list_library_footprints? +

list_library_footprints is provided by the KiCAD-MCP-Server MCP server (mixelpixx/kicad-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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