---
title: "Blog category: engineering"
description: Blog posts in the engineering category.
canonical: https://giglabo.com/blog/category/engineering
locale: en
---

# Blog category: engineering

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Blog posts in the engineering category.

1 post in the `engineering` category.

- [File Paths, Not Base64: The MCP Contract Behind 23 Screenshot Tools](https://giglabo.com/blog/hls/mcp-server-design-patterns) (2026-08-23) — Why Heretic Lazy Shot's MCP server returns file paths and never image data. The token math, the error contract, the logging, and the cases where base64 is the right call.

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