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• This codebase is a client application using google-adk, not an MCP server. If the intent is to build an MCP server, implement tool registration using the MCP SDK directly with explicit tool definitions, not via google-adk's MCPToolset wrapper.
• If evaluating the upstream google-maps MCP server: obtain and audit the actual tool definition from @modelcontextprotocol/server-google-maps to verify schemas, parameter descriptions, and error handling.
• If this application needs to expose tools remotely, migrate from STDIO to HTTP or SSE transport so it can be accessed by hosted MCP clients.
• Implement explicit error handling for Maps API failures (e.g., invalid routes, quota exceeded, network timeouts) with clear recovery messages that guide the LLM's next action.
• Consider bundling the Maps MCP server as a Docker container or module rather than invoking it via 'npx', to ensure reproducibility and reduce supply-chain risk.