PROMPT ENGINEERING

XML Prompts Remain Superior for Serious LLM Practitioners

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29 July 2025 2h44

Sorry, but it's not. I've been prompting/fine-tuning LLMs since 2019, and have tried just about everything, ran tests, etc. etc. There's a reason most serious practitioners use XML prompts for almost everything.

Tool Call ID Mismatch Errors Fixed in AI Framework

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29 July 2025 1h31

It's SO good, and doesn't break with annoying tool call ID mismatch errors

Building Custom AI Tools Without Built-in Tool Calling

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29 July 2025 1h30

This is what I do! I just build it myself instead of relying on built-in tool calling 🙂

Optimized Prompts for Advanced AI Models

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29 July 2025 1h21

Oh, I meant that that looked like an optimized-for-o3 prompt!

Igor Taber leads insane second round with AI Matt

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29 July 2025 1h20

Thankfully @igorTaber was just as insane as me and led our second round after chatting with AI Matt!

Structured Output Limitations in AI Systems

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29 July 2025 1h16

JSON output != JSON input I've had quite bad luck w/ forced structured outputs in general though

Structured Tags in AI: From Simple to Complex Use Cases

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29 July 2025 1h14

Our use cases range from extremely simple (i.e. output three options in tags) to absurdly complex (super nested tags with counters, metadata, etc.) Prompt clearly, and it'll work.

Prompt engineering beats validation libraries for reliable outputs

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29 July 2025 1h14

We don't really. It just works. I've seen so many validation libraries and techniques come and go, but most serious builders I know don't bother with them. They're essentially just nerd traps. Prompt the model well, and it'll output the right format 99%+ of the time.