Automating Wallpaper Classification with Claude Vision API — Real Lessons from a 50M Download App
A firsthand account of automating wallpaper category classification using Claude Vision API in production. Honest results on accuracy, costs, and pitfalls encountered.
6 Traps I Hit Building In-App AI Chat with Claude API — A Record of Getting to Production
Six real design mistakes I encountered shipping Claude API in-app chat to production — covering context management, streaming error detection, guardrails, session persistence, model versioning, and cost monitoring. Includes working TypeScript code.
I Ran 1,000 App Store Reviews Through Claude API — Here's What My Data Was Hiding
Lessons from 10+ years of indie app development and 50M+ downloads: how to use Claude API to batch-analyze App Store reviews, auto-generate improvement priorities, and fix the blind spots human reading creates.
Combining Haiku 4.5, Streaming, and Prompt Caching to Cut Costs in a Personal App — An Implementation Record
A hands-on record of combining Claude Haiku 4.5, streaming, and prompt caching to improve both cost and response speed in a personal iOS/Android app — including the mistakes made along the way.
Building an Autonomous Research Agent with Claude API: Web Search, Summarization, and Knowledge Management
A complete guide to designing and implementing an autonomous research agent using Claude API and web search tools. Covers budget control, quality assurance, and knowledge base storage for production use.
Building an Internal Document Search Agent with Claude API — Hybrid RAG, Role-Based Access Control, and Audit Logging in Production
Build a production-grade internal document search agent using Claude API and Python. Covers hybrid RAG (pgvector + BM25), department-level RBAC via PostgreSQL RLS, and compliance-ready audit logging — with working code for each component.
Stop Writing Weekly Reports Manually — Automate Them with Claude API, GitHub, Linear, and Slack
Automate your team's weekly Slack progress reports using Claude API. This guide walks through a Node.js system that pulls GitHub and Linear data, formats it with Claude API, and posts it to Slack automatically.
Claude API on Bun in Production: Migration Decisions and Implementation Patterns That Actually Survive Real Traffic
A practical guide to running Claude API services on Bun in production. Covers migration triggers from Node.js, built-in SQLite/WebSocket usage, streaming optimization, and the pitfalls that only surface after deployment — with working code and measured numbers.
7 Common Errors When Getting Started with Claude API in Python (With Fixes)
A practical troubleshooting guide covering the 7 most common errors Python developers hit when starting with the Claude API SDK — from AuthenticationError and RateLimitError to response parsing mistakes and streaming pitfalls.
Auto-Classify and Draft Gmail Replies with Claude API and Google Apps Script
A hands-on guide to building a Gmail automation system using Claude API and Google Apps Script. Automatically classify incoming emails and generate reply drafts — with copy-paste code.
Building Stateful AI Agents with Cloudflare Durable Objects and Claude API — Session Management, Context Persistence, and Scale-Out Design
A complete production guide for building stateful AI agents using Cloudflare Durable Objects and Claude API. Covers session management, context persistence, compaction strategies, and scale-out design with fully working code examples.
Building a Subscription SaaS with Claude API and Stripe — A Complete 2026 Implementation Guide
An end-to-end implementation guide for shipping a subscription SaaS built on Claude API, Stripe, and Cloudflare Workers — covering checkout, webhooks, KV-backed access control, usage limits, and the production edge cases that always bite.