BJJ Training Insights

Field notes on tracking progress, reading your rounds, and training with intent.

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BRAWLER AI Is Live on iPhone

BRAWLER AI, the voice-first BJJ training journal, is now on the App Store for iPhone. What it is, who it is for, and how the training loop works.

Latest

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A Tool Fleet Needs Guardrails

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Connecting to the BRAWLER AI MCP server

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Designing for Clients You Do Not Control

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The Second Door Into Your Training Data

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What Makes a Training Journal Client

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What the BRAWLER AI MCP server Can and Cannot Do

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When Schema Drops the Meaning

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How to Grade a Weekly Focus Without Lying to Yourself

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Sports Data Is Harder Than It Looks: Building an Honest BJJ Ontology

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Your Brand Book Needs a Machine-Readable Source

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A Better Brief Starts With Your Own Training History

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Train With One Question: A Practical Weekly Focus for BJJ

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Voice Journaling for Athletes: Why Talking Beats Typing

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The Missing Feedback Loop in Jiu-Jitsu

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Your Jiu-Jitsu Is Improving. Why Is It So Hard to See?

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BRAWLER AI: How It Works

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What Your Rolling Patterns Say About Your Game

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What Should I Train Next? Start With What Keeps Happening

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Why White Belts Quit and What Helps Them Stay