Is Google Maps MCP server safe?
What Google Maps MCP server does
This server exposes Google Maps features to an MCP client: geocoding and reverse geocoding, place search and place details, distance matrices, elevation and directions. The npm author field lists Anthropic, PBC, and npm marks the package as no longer supported. It sends requests to the Google Maps API with a key in GOOGLE_MAPS_API_KEY; requests include the addresses, places and coordinates the model passes. Before installing, create a separate API key for this server and restrict it in Google Cloud to the Maps APIs it uses, so a leaked key has limited reach.
- Node.js network egress
- npm prepare hook
- MCP tool surface detected
What to do: Nothing here argues against installing it. Grant the capabilities it lists only if you expect the tool to need them.
Google Maps MCP server is an MCP server analyzed by SkillTotal's deterministic static scanner. The scan found no malicious indicators. It can: install time execution, mcp tools detected and network egress — capabilities are what the code can do, not a verdict on intent. Risk score 0/100 (low).
@modelcontextprotocol/
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Automated static-analysis result. It can contain false positives and false negatives, and is not a claim about the intent of Google Maps MCP server's authors. Report a false positive.
Behavioral traits
How this component maps to the CSA agentic threat model. Descriptive — it never affects the risk score.
Findings (3)
package.json has a 'prepare' script (runs on git/local installs and before publishing).
"prepare": "npm run build",
Why it matters: Usually a build step, but confirm it doesn't fetch or run remote code.
Fix: Usually a legitimate build step; confirm it only builds and does not fetch or execute remote code.
The component makes outbound network requests.
const response = await fetch(url.toString());
const response = await fetch(url.toString());
const response = await fetch(url.toString());
const response = await fetch(url.toString());
const response = await fetch(url.toString());
const response = await fetch(url.toString());
const response = await fetch(url.toString());
Why it matters: Usually legitimate, but confirm the destinations are expected and no sensitive data leaves.
Fix: Confirm the destination hosts are expected and that no sensitive data is sent off-host.
An MCP tool surface (manifest or tool definitions) was found.
const server = new Server({server.setRequestHandler(ListToolsRequestSchema, async () => ({server.setRequestHandler(CallToolRequestSchema, async (request) => {const transport = new StdioServerTransport();
Why it matters: Just context — review which tools it offers and their permissions.
Fix: Review the declared MCP tools and their permissions.
How attackers abuse these capabilities
Interactive labs on the attack class behind the rules above. They show the technique, not anything found in Google Maps MCP server.
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