what is Postcodes UK MCP Server?
Postcodes UK MCP Server is a tool that provides an efficient way to interact with the UK Postcodes API, allowing users to validate, lookup, and perform geographical searches for UK postcodes.
how to use Postcodes UK MCP Server?
To use the Postcodes UK MCP Server, install it via the Claude Desktop App and then utilize its API endpoints to interact with postcode data.
key features of Postcodes UK MCP Server?
- Validate UK postcodes
- Retrieve details for specific postcodes
- Perform bulk postcode lookups
- Find nearest postcodes based on geographic coordinates
use cases of Postcodes UK MCP Server?
- Validating user-entered postcodes in applications.
- Retrieving detailed information about specific postcodes for data analysis.
- Conducting bulk lookups for postcode data in large datasets.
- Finding nearby postcodes for location-based services.
FAQ from Postcodes UK MCP Server?
- What programming language is required to run this server?
Python 3.8 or higher is required.
- Can I use this server for bulk postcode lookups?
Yes, the server supports bulk postcode lookups.
- Is there a demo available for this server?
Yes, a demo is available on the Claude Desktop.
Postcodes UK MCP Server

Overview
Postcodes UK MCP Server provides an efficient way to interact with the UK Postcodes API (postcodes.io). It offers validation, lookup, and geographical search capabilities for UK postcodes.
Features
- Validate UK postcodes
- Retrieve postcode details
- Bulk postcode lookup
- Find nearest postcodes by coordinates
Dependencies
- Python 3.8+
mcp-cli
&httpx
Installation Steps
1. Install uv with official standalone installer:
For macOS and Linux
$ curl -LsSf https://astral.sh/uv/install.sh | sh
For Windows
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex
2. Clone the repo
Then add MCP to your project dependencies:
uv add "mcp[cli]"
Claude
3. Make sure Claude Desktop App installed from4. Now install the Postcodes UK MCP Server to the Claude Desktop
mcp install postcodes.py
You will see the output like this after successful installation
INFO Added server 'postcodes' to Claude config claude.py:129
INFO Successfully installed postcodes in Claude app cli.py:467
Usage
The server provides multiple methods to interact with UK postcode data:
- Lookup details for a single postcode
- Perform bulk postcode lookups
- Find nearest postcodes by geographic coordinates
Demo on Claude Desktop:
API Endpoints
Endpoint | Description |
---|---|
/lookup/{postcode} | Retrieve details for a single postcode |
/bulk-lookup | Look up multiple postcodes at once |
/nearest?lat={lat}&lon={lon} | Find nearest postcodes based on coordinates |
📌 Contributing
Contributions are welcome! Feel free to submit issues or pull requests.
📄 License
This project is licensed under the MIT License.
⭐ Support
If you find this project useful, please ⭐ star the repository! and Find me in LinkedIn
Developed with ❤️ for UK postcode services.