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# llm

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AI harness engineering is an interesting field, but testing can get costly really fast!

AI harness engineering is an interesting field, but testing can get costly really fast!

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2 min read
How I built a deterministic prompt injection detector: 22 signatures, no ML, ~23ms server-side

How I built a deterministic prompt injection detector: 22 signatures, no ML, ~23ms server-side

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8 min read
Stop reinventing 'ask GPT-4 and Claude and a regex, then count the votes'

Stop reinventing 'ask GPT-4 and Claude and a regex, then count the votes'

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4 min read
The Agent Harness Is the Real Product. The Model Is Just the Engine.

The Agent Harness Is the Real Product. The Model Is Just the Engine.

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10 min read
RLHF in 2026: when to pick PPO, DPO, or verifier-based RL

RLHF in 2026: when to pick PPO, DPO, or verifier-based RL

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7 min read
Stop hallucinating: a developer API for grounding LLM responses with signed, sourced claims

Stop hallucinating: a developer API for grounding LLM responses with signed, sourced claims

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4 min read
LLM providers are retiring models faster than you can migrate

LLM providers are retiring models faster than you can migrate

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2 min read
I am new here

I am new here

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1 min read
Your LLM provider will deprecate your model. xAI just gave 9 days' notice.

Your LLM provider will deprecate your model. xAI just gave 9 days' notice.

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2 min read
Inside Systems 01: Your Verification Process Did Not Break. It Was Replaced.

Inside Systems 01: Your Verification Process Did Not Break. It Was Replaced.

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8 min read
Running Local GGUF Models with Ollama (GPU Enabled)

Running Local GGUF Models with Ollama (GPU Enabled)

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3 min read
Context Engineering: Building More Reliable LLM Systems in Production

Context Engineering: Building More Reliable LLM Systems in Production

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3 min read
What is MCP (Model Context Protocol) and Why Developers Suddenly Care

What is MCP (Model Context Protocol) and Why Developers Suddenly Care

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3 min read
RAG - Complete Practical Guide

RAG - Complete Practical Guide

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5 min read
Building Production RAG Pipelines: Practical Lessons

Building Production RAG Pipelines: Practical Lessons

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5 min read
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