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Ryan Cole

Indie hacker & solo dev building deterministic AI agents & automation tools.

I audited 27 of my own AI prompts. 22 of them were broken.

I audited 27 of my own AI prompts. 22 of them were broken.

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3 min read

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I shipped 29 products and made $0: the traffic post-mortem nobody posts

I shipped 29 products and made $0: the traffic post-mortem nobody posts

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3 min read
Stop writing prompts like prose: the 4-part contract that kills LLM drift

Stop writing prompts like prose: the 4-part contract that kills LLM drift

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3 min read
Zero-downtime AI: how to build a multi-model failover router (n8n + Python)

Zero-downtime AI: how to build a multi-model failover router (n8n + Python)

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3 min read
The "empty response" bug that quietly breaks a third of production scrapers (and a 20-line fix)

The "empty response" bug that quietly breaks a third of production scrapers (and a 20-line fix)

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4 min read
Mastering GUM-PROMPT-01: Prompt Engineering for Automated Code Refactoring

Mastering GUM-PROMPT-01: Prompt Engineering for Automated Code Refactoring

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4 min read
Designing biotech & cyber motion plates that loop cleanly (and where most DNA/shield loops break)

Designing biotech & cyber motion plates that loop cleanly (and where most DNA/shield loops break)

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2 min read
Building a seamless-loop motion library for B2B tech (fintech, biotech, cyber) — and why loops break

Building a seamless-loop motion library for B2B tech (fintech, biotech, cyber) — and why loops break

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2 min read
The 4 Things That Kill AI Agents in Production (and the Runtime That Survives Them)

The 4 Things That Kill AI Agents in Production (and the Runtime That Survives Them)

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2 min read
How to Harden Vibe-Coded Next.js 15 & Bolt.new Apps for Production (Supabase RLS + Stripe Webhooks)

How to Harden Vibe-Coded Next.js 15 & Bolt.new Apps for Production (Supabase RLS + Stripe Webhooks)

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4 min read
Production Web Scraping in 2026: 3 Architectural Patterns to Bypass Cloudflare and Anti-Bots

Production Web Scraping in 2026: 3 Architectural Patterns to Bypass Cloudflare and Anti-Bots

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3 min read
From Vibe Coding Prototype to Production: 4 Critical Architectural Fixes for Next.js 15 SaaS MVPs

From Vibe Coding Prototype to Production: 4 Critical Architectural Fixes for Next.js 15 SaaS MVPs

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3 min read
Building a Production Multi-Model AI Router in Python: Auto-Failover, Latency Routing, and Zero Token Drift

Building a Production Multi-Model AI Router in Python: Auto-Failover, Latency Routing, and Zero Token Drift

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5 min read
How We Structured Next.js 15 App Router + Supabase Auth with Zero Leaks

How We Structured Next.js 15 App Router + Supabase Auth with Zero Leaks

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6 min read
Eliminating the $50/mo Scraper SaaS: A Production Python & n8n Extraction Architecture

Eliminating the $50/mo Scraper SaaS: A Production Python & n8n Extraction Architecture

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3 min read
Why AI Coding Agents Can't Grade Their Own Homework: Building an Out-of-Context Test Gate in Python

Why AI Coding Agents Can't Grade Their Own Homework: Building an Out-of-Context Test Gate in Python

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4 min read
The Production Agent Prompt Bank: 10 Strict System Prompts & Schema Shields That Stop LLM Drift

The Production Agent Prompt Bank: 10 Strict System Prompts & Schema Shields That Stop LLM Drift

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5 min read
Building Resilient n8n AI Workflows: A 12-Node Architecture for Zero-Downtime Lead Qualification

Building Resilient n8n AI Workflows: A 12-Node Architecture for Zero-Downtime Lead Qualification

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4 min read
Web Scraping at Scale Without the $99–$250/Month API Bill

Web Scraping at Scale Without the $99–$250/Month API Bill

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3 min read
How to Run AI Agents at $0/Month in 2026: Free Frontier LLM APIs + a Local Failover Router

How to Run AI Agents at $0/Month in 2026: Free Frontier LLM APIs + a Local Failover Router

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2 min read
5 JSON Schemas That Stop AI Coding Agents From Shipping Garbage

5 JSON Schemas That Stop AI Coding Agents From Shipping Garbage

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2 min read
Stop Paying $99/Month for a Scraper You Can Own: A Modular Python B2B Lead Extractor

Stop Paying $99/Month for a Scraper You Can Own: A Modular Python B2B Lead Extractor

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2 min read
How I Cut $100/Month of Zapier Spend by Qualifying Inbound Leads in n8n (BANT Scoring, Self-Hosted)

How I Cut $100/Month of Zapier Spend by Qualifying Inbound Leads in n8n (BANT Scoring, Self-Hosted)

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3 min read
How to Build a Resilient B2B Lead Scraper in Python (Without Paying $99/Mo for Scraping SaaS)

How to Build a Resilient B2B Lead Scraper in Python (Without Paying $99/Mo for Scraping SaaS)

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4 min read
How to Build a Zero-Downtime Multi-Model AI Router in n8n (Claude 3.5 + GPT-4o + DeepSeek Failover)

How to Build a Zero-Downtime Multi-Model AI Router in n8n (Claude 3.5 + GPT-4o + DeepSeek Failover)

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5 min read
Why 90% of AI Coding Agents Fail in Production (And the 25 Deterministic Skills to Fix Them)

Why 90% of AI Coding Agents Fail in Production (And the 25 Deterministic Skills to Fix Them)

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5 min read
How to Build Autonomous AI Agents with 100% Free Frontier LLMs ($0 OPEX Architecture)

How to Build Autonomous AI Agents with 100% Free Frontier LLMs ($0 OPEX Architecture)

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6 min read
Why 90% of AI Coding Agents Fail in Production (And the 25 Deterministic Skills to Fix Them)

Why 90% of AI Coding Agents Fail in Production (And the 25 Deterministic Skills to Fix Them)

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5 min read
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