get_datasheet_url

ServerKiCAD-MCP-Server
CategoryRead

WHAT IT DOES

What get_datasheet_url does on KiCAD-MCP-Server

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

THE RISK

Low Risk

Why get_datasheet_url needs a policy

This tool only retrieves information (datasheet URLs) based on an input identifier. It does not create, modify, delete, or execute any operations on the KiCAD project or external systems. It is a read-only data retrieval function. The potential for misuse is minimal since returning a URL poses no security risk to the design environment.

From the tool's definition Tool 'get_datasheet_url' retrieves and returns datasheet URLs for electronic components by LCSC number. The description explicitly states 'No network request – URL is constructed from the LCSC number alone,' indicating it performs a query/lookup operation…

Documented attack patterns abuse exactly the kind of access get_datasheet_url gives an agent:

POLICY

How to control get_datasheet_url

PolicyLayer is an MCP gateway — it sits between your AI agents and KiCAD-MCP-Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_datasheet_url:

policy.json

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

get_datasheet_url is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register KiCAD-MCP-Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_datasheet_url

What does the get_datasheet_url tool do? +

Get the LCSC datasheet URL for a component by LCSC number. Returns the direct PDF URL and product page URL. No network request – URL is constructed from the LCSC number alone. Example: get_datasheet_url(. 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 get_datasheet_url? +

Register the KiCAD-MCP-Server MCP server in PolicyLayer and add a rule for get_datasheet_url: 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 get_datasheet_url? +

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

Can I rate-limit get_datasheet_url? +

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

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

get_datasheet_url 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.

Enforce policy on every KiCAD-MCP-Server tool call.

Start from KiCAD-MCP-Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

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157 KiCAD-MCP-Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.