# From a Single File to an MCP Server: Six Rewrites of My Own Harness

> Source: <https://pub.towardsai.net/from-a-single-file-to-an-mcp-server-six-rewrites-of-my-own-harness-74b4d67b5373?source=friends_link&sk=9e8b13e4920771b5d414db224901bf0e>
> Published: 2026-06-12 23:25:57+00:00

Article URL: [https://pub.towardsai.net/from-a-single-file-to-an-mcp-server-six-rewrites-of-my-own-harness-74b4d67b5373?source=friends_link&sk=9e8b13e4920771b5d414db224901bf0e](https://pub.towardsai.net/from-a-single-file-to-an-mcp-server-six-rewrites-of-my-own-harness-74b4d67b5373?source=friends_link&sk=9e8b13e4920771b5d414db224901bf0e)

Comments URL: [https://news.ycombinator.com/item?id=48510567](https://news.ycombinator.com/item?id=48510567)

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