---
title: "Return structured JSON from MCP servers"
description: "Return data as JSON for MCP server"
canonical: "https://ian.is/mcp-json-responses"
language: "en"
---

[Ian Nuttall](https://ian.is/)

# Return structured JSON from MCP servers

May 12, 2025

Pro tip if you're building an MCP server to use in Cursor/Windsurf

Return your data as structured JSON

makes it much easier for the agent to figure out exactly what it should do.

![Image from the original X post](https://ian.is/media/tweets/1921842357437169932/1921842357437169932/6c7d460d97397f697d8cb78234356529060525842418ab55803e6676d742ac33.jpg)

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