Can I lookup a US zip code and get its coordinates?

Yes! Use the `lookup_postcode` tool with the country 'US' and the zip code. It will return the city, state, and coordinates for that location.

Which countries are supported by Zippopotam.us?

Zippopotam.us supports over 60 countries, including the US, Canada, Great Britain, Brazil, France, Germany, and many others. You can use the standard 2-letter ISO country codes.

Can I find all zip codes for a specific city?

Yes! Use the `lookup_city` tool with the country code, state, and city name. It will return a list of all postal codes associated with that urban area.

Zippopotam.us MCP Server for Google ADK 2 tools — connect in under 2 minutes

Name: Zippopotam.us
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 2 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Zippopotam.us as an MCP tool provider through the Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token — get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="zippopotamus_agent",
    instruction=(
        "You help users interact with Zippopotam.us "
        "using 2 available tools."
    ),
    tools=[mcp_tools],
)

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Zippopotam.us MCP Server

Equip your AI agent with global geographic intelligence via the Zippopotam.us MCP server. This integration provides instant access to location data for over 60 countries. Your agent can perform reverse lookups of postal codes to retrieve city names, state details, and precise latitude/longitude coordinates. It can also find all postal codes associated with a specific city and state. Whether you are validating addresses, calculating distances, or automating logistics, your agent acts as a dedicated geographic data specialist through natural conversation.

Google ADK natively supports Zippopotam.us as an MCP tool provider — declare the Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 2 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Postal Code Lookup — Retrieve city, state, and coordinates for any zip code in 60+ countries.
City Reverse Lookup — Find all postal codes associated with a specific city and state.
Geographic Data — Access precise latitude and longitude for localized mapping or services.

The Zippopotam.us MCP Server exposes 2 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Zippopotam.us to Google ADK via MCP

Follow these steps to integrate the Zippopotam.us MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 2 tools from Zippopotam.us via MCP

Why Use Google ADK with the Zippopotam.us MCP Server

Google ADK provides unique advantages when paired with Zippopotam.us through the Model Context Protocol.

Google ADK natively supports MCP tool servers — declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Zippopotam.us

Production-ready features like session management, evaluation, and deployment come built-in — not bolted on

Seamless integration with Google Cloud services means you can combine Zippopotam.us tools with BigQuery, Vertex AI, and Cloud Functions

Zippopotam.us + Google ADK Use Cases

Practical scenarios where Google ADK combined with the Zippopotam.us MCP Server delivers measurable value.

Enterprise data agents: ADK agents query Zippopotam.us and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine Zippopotam.us tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query Zippopotam.us regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Zippopotam.us

Zippopotam.us MCP Tools for Google ADK (2)

These 2 tools become available when you connect Zippopotam.us to Google ADK via MCP:

lookup_nearby_city

Lookup zip codes for a city

lookup_postcode

Lookup location by postal code

Example Prompts for Zippopotam.us in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with Zippopotam.us immediately.

"Find the city and state for zip code 90210 in the US."

"Lookup the postal code 'SW1A 1AA' in Great Britain."

"List all postal codes for 'Miami', Florida (FL)."

Troubleshooting Zippopotam.us MCP Server with Google ADK

Common issues when connecting Zippopotam.us to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

Zippopotam.us + Google ADK FAQ

Common questions about integrating Zippopotam.us MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.