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Developer builds MCP server using Spain's weather API, learns key lessons

A backend engineer has developed and published a Model Context Protocol (MCP) server, designed to expose Spain's national weather agency's API. The project aimed to complete the full development cycle, from building to publishing and discovery within the MCP ecosystem. The engineer encountered unexpected challenges with the AEMET API, specifically a two-step data retrieval process and encoding issues, which provided significant learning opportunities. AI

IMPACT Demonstrates practical application of AI protocols and API integration for developers.

RANK_REASON Developer built a tool using an existing API and a protocol, sharing engineering lessons learned.

Read on dev.to — MCP tag →

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Developer builds MCP server using Spain's weather API, learns key lessons

COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Manuel Millan ·

    Building my first MCP server: Spain's weather API and its two-step catch

    <p>I'm a backend engineer (Java/Spring, Kubernetes, that world) moving toward AI engineering, and I wanted to actually ship something in the agent ecosystem rather than read about it. So I built and published a small Model Context Protocol (MCP) server. This is the first of a pla…