Claude Code Fine-tuning Skill

💡Best Practices & Tips

Thursday, January 8, 2026

People are discussing a new open-source Claude Code skill for Tinker that allows for easy and affordable fine-tuning of models, demonstrated by fine-tuning a model on Obsidian notes to write like the user.

4 tweets•4 engagements

@belindmoBelinda

This got me interested in Tinker and so we made a Claude Code skill for it https://github.com/sundial-org/skills/tree/main/skills/tinker… [Links: https://t.co/lO8GnmsOSC]

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@belindmoBelinda

Did you know that Claude Code can fine-tune models for you? We made a Claude Code skill for @thinkymachine's Tinker — an awesome post-training API It's open source! ->

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@belindmoBelinda

We tested the Skill by fine-tuning a model on @turboblitzzz's Obsidian notes After one Claude Code conversation and $0.50 in compute, now he has a model that writes like him @kepano @thinkymachine