Postal Code Lookup

Published via Invokera

Resolve a postal / ZIP code to its place names, state and coordinates in 60+ countries — handy for agents doing address validation or geo enrichment. Postal code lookup via the public Zippopotam.us API. Curated by Invokera.

Connect from an agent

MCP endpoint (Claude Desktop, Cursor, any MCP client): https://invokera.com/r/postal-codes

REST endpoint (any HTTP caller): https://invokera.com/v1/postal-codes/tools

Calls require an endpoint token issued by the project owner.

Claude Code (one command)

claude mcp add --transport http postal-codes https://invokera.com/r/postal-codes --header "Authorization: Bearer inv_YOUR_TOKEN"

Success check: ask a question in the chat — if you can see your tool names, you're connected.

Claude Desktop configuration

{
  "mcpServers": {
    "postal-codes": {
      "type": "http",
      "url": "https://invokera.com/r/postal-codes",
      "headers": { "Authorization": "Bearer inv_YOUR_TOKEN" }
    }
  }
}

Success check: ask a question in the chat — if you can see your tool names, you're connected.

curl example

curl -X POST https://invokera.com/v1/postal-codes/tools/lookup_postal_code \
  -H "Authorization: Bearer inv_YOUR_TOKEN" \
  -H "Content-Type: application/json" -d '{}'

Available tools