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PostCode Check

Official registry Other

Validate and normalize postal codes offline for 252 countries and territories. Format check only.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http postcode-check 'https://postcodecheck.mike-tusa.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "postcode-check": {
            "type": "http",
            "url": "https://postcodecheck.mike-tusa.workers.dev/mcp"
        }
    }
}

Frequently asked questions

What is PostCode Check?

Validate and normalize postal codes offline for 252 countries and territories. Format check only.

How do I install PostCode Check?

It runs as a remote server. In Claude Code: claude mcp add --transport http postcode-check 'https://postcodecheck.mike-tusa.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does PostCode Check need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains PostCode Check?

It is published by dev.workers.mike-tusa.postcodecheck. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.