Blog

Building in public. Shipping, learning, sharing.

Apr 14, 20266 min read

What 19 Claude Code Plugins Actually Cost You (In Context, Not Dollars)

Every plugin and MCP server eats your context window. I have 19 enabled. Here's which ones are worth it and which I should have replaced with CLI tools.

toolsaiengineering

Apr 11, 20267 min read

The CLAUDE.md File That Runs All My Projects

How to write a CLAUDE.md that actually works. What to include, what wastes context, and real examples from trading bots, SaaS apps, and marketing systems.

toolsaidevelopment

Apr 7, 20265 min read

27 AI Agents Cost Me $12 Per Run. Here's the Breakdown.

Real token counts, real API costs, per-agent breakdown. What it actually costs to run 27 marketing agents versus hiring an agency.

aimarketingtools

Apr 4, 20267 min read

I Built an Autonomous Marketing System That Runs Through Slack

Claude as CMO, a human operator reviewing in Slack, cron sessions 4x daily, and a Socket Mode listener for real-time commands. The full architecture of an AI marketing loop.

aimarketingbuilding

Mar 31, 20265 min read

Building Hardened: An AI Software Builder That Actually Ships Production Code

After building 8 products with AI, we realised the methodology itself is the product. Introducing Hardened, a 5-stage AI pipeline powered by Forge that builds, reviews, and deploys production-ready code.

buildingaiproduct

Mar 28, 20265 min read

I Automated Sprint Delivery With GUI Automation (No API Costs)

macOS GUI automation to chain Antigravity build, review, and retro passes. No API bills. Auto-advances through 14 sprints with Slack notifications.

toolsprocessai

Mar 24, 20265 min read

We Automated Our IDE With AppleScript and We're Not Sorry

42 manual transitions per project. Slash commands, model switches, new chats. Sprint Runner automates the entire Antigravity workflow with a local HTTP listener and some very scrappy AppleScript.

toolsprocessai

Mar 21, 20267 min read

Building a Real-Time Gold Dashboard With 6 APIs and 14 Background Jobs

9 data domains, 6 external providers, 14 scheduled jobs. How I built Aurum, a gold intelligence dashboard that pulls from EODHD, FRED, Finnhub, CFTC, and more.

engineeringtradingai

Mar 17, 20266 min read

When Direction Prediction Fails, Trade Relationships Instead

After months of ML models confidently predicting the wrong direction, we stopped asking 'will price go up?' and started asking 'is this asset outperforming its peers?' That question turned out to be answerable.

aitradingengineering

Mar 14, 20267 min read

How I Run a 13-Pair Forex Bot From a Mac (It's on a Windows VPS)

MetaTrader 5 doesn't run natively on macOS. Here's my full setup: local development on Mac, deployment to a Windows VPS, and every gotcha I hit along the way.

tradingengineeringtools

Mar 11, 20267 min read

I Rebuilt My Entire Claude Code Setup. It Learns From Every Session Now.

Six hooks, four context modes, and a continuous learning loop. How I stopped repeating myself to Claude Code every session.

toolsaiprocess

Mar 10, 20267 min read

Dollar Bars and Fractional Differentiation: The Data Your ML Model Actually Needs

Time bars violate IID assumptions. Returns destroy memory. If you feed either into an ML model for financial prediction, you have already lost before training begins.

aitradingengineering

Mar 3, 20268 min read

We Built a 65-Feature ML Pipeline and It Lost 89%

XGBoost, fractional differentiation, triple barrier labels, purged cross-validation, meta-labeling. We did everything by the book. The model was 55% accurate and still lost almost everything.

aitradingengineering

Feb 28, 20266 min read

A $234 Loss Taught Me How to Use AI Safely With Real Money

I rushed a magic number change in a forex bot. Claude updated one function but missed another. Stuck positions got closed at a loss. Here's what I built after.

tradingaiprocess

Feb 24, 20268 min read

Building Hybrid Trading Systems: Where AI Meets Rule-Based Execution

Pure ML models struggle in live markets. Pure rule-based systems leave alpha on the table. The answer is a hybrid architecture where each does what it is best at.

aitradingarchitecture

Feb 21, 20266 min read

My Full AI Stack: Every Tool, What It Costs, What It Replaced

Claude Code, Antigravity, Gemini, Vercel, Railway, Fusion Markets — the complete list. Real monthly costs. What each one replaced.

toolsaiprocess

Feb 17, 202612 min read

How to Set Up MetaTrader 5 on Mac with Local MQL5 Compilation

A complete guide to installing MetaTrader 5 on macOS, configuring local MQL5 compilation via Wine and MetaEditor, and wiring it into VS Code for a proper dev workflow.

tradingengineeringtools

Feb 10, 20267 min read

Why Most AI Trading Models Fail in Production

Transformers, LSTMs, and gradient boosted trees all look incredible on backtests. Then you deploy them and the equity curve flatlines. Here's what actually goes wrong.

aitradingengineering

Feb 7, 20265 min read

The File That Makes My AI Builds Get Better Over Time

Every mistake Opus catches gets logged to PATTERNS.md. Every future build reads it. The result is a flywheel where the AI genuinely improves.

processaidevelopment

Feb 3, 20266 min read

What Happens When 10 Million Tourists Can't Pay in India

India's UPI is a masterclass in digital infrastructure, but it completely locks out international visitors. A look at the payment gap and why current solutions fall short.

fintechindiaresearch

Jan 27, 20265 min read

27 AI Marketing Agents: Replacing a Marketing Team with Code

How we orchestrated 27 specialized AI agents to entirely automate marketing for PropAutopilot. The architecture, the output, and the banned cliches list.

aimarketingautomation

Jan 20, 20264 min read

Our AI Development Workflow: Two Models, Zero Compromise

Why relying on a single AI model for development is dangerous. How we use a two-pass methodology with Gemini and Opus to ship production-ready code.

processaidevelopment

Jan 13, 20264 min read

The 14-Dimension Classifier That Cuts LLM Costs by 73%

Stop paying Opus prices for Haiku tasks. Here's the technical breakdown of the routing engine behind ModelMesh that slashed our API bills.

aiengineeringopen-source

Jan 6, 20265 min read

We Built 6 AI Products in 6 Months. Here's What We Learned.

How shipping fast and failing publicly taught us more about building with AI than any tutorial ever could. The story behind uptrail.ai.

buildingjourneyreflection