Bring Postal Code Lookup
to OpenAI Agents SDK
Create your Vinkius account to connect Zippopotam.us to OpenAI Agents SDK and start using all 2 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the 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.
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.
How it works
- Subscribe to this server
- No API Key required (Public Access)
- Start querying postal data from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Logistics & Delivery Teams — quickly verify city and state data from postal codes.
- Developers — integrate geographic lookups into their AI-driven applications.
- Data Scientists — access a reliable source of structured postal and coordinate data.
Built-in capabilities (2)
Lookup zip codes for a city
Lookup location by postal code
Why OpenAI Agents SDK?
The OpenAI Agents SDK auto-discovers all 2 tools from Zippopotam.us through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Zippopotam.us, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
- —
Native MCP integration via
MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety - —
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
- —
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
- —
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
Zippopotam.us in OpenAI Agents SDK
Why run Zippopotam.us with Vinkius?
The Zippopotam.us connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 2 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Zippopotam.us using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Zippopotam.us and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Zippopotam.us to OpenAI Agents SDK through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Zippopotam.us for OpenAI Agents SDK
Every request between OpenAI Agents SDK and Zippopotam.us is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
How does the OpenAI Agents SDK connect to MCP?
Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.
Can I use multiple MCP servers in one agent?
Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.
Does the SDK support streaming responses?
Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.
MCPServerStreamableHttp not found
Ensure you have the latest version: pip install --upgrade openai-agents
Agent not calling tools
Make sure your prompt explicitly references the task the tools can help with.
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