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I turned a real OpenAPI into an MCP server in 5 min (without losing custom code on regen)

This story is from 2026-09-20. It is preserved in the archive; the latest stories are on the live feed.

I built an OpenAPI to MCP server generator for TypeScript, Python and Go. The v1 mistake: 1 endpoint = 1 tool. On a real API with 200 operations, you get a 200-tool server. Nobody can use that. That was the exact feedback I got on Reddit, and it was right. What I changed in 2.1.5: 1. Grouping by ta…

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  1. 2026-09-20 19:50 · DEV Community — AI
    I turned a real OpenAPI into an MCP server in 5 min (without losing custom code on regen)

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