All Articles
Let Claude Diagnose Its Own Tool Errors — Building a Self-Correction Loop with the Anthropic API
Learn how to handle Tool Use failures gracefully by feeding error details back to Claude using the is_error flag, enabling self-diagnosis and automatic retry. Includes working Python code and production antipatterns to avoid.
Claude Keeps Making the Same Mistake — Why Corrections Don't Stick and How to Fix It
Why Claude repeats mistakes even after correction, and how to make your instructions stick permanently using Projects, custom prompts, and smarter conversation design.
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.
7 Design Principles for Production-Grade Autonomous Agents with Claude Code SDK
Building a Claude Code SDK agent that works is easy. Building one that keeps working in production is hard. Here are the 7 design principles I extracted from running content automation systems at scale.
Using Extended Thinking with Claude Code in 2026: A
A practical guide to using Claude 4's Extended Thinking feature with the Claude Code CLI and API. Learn how to set thinking budgets, handle streaming, and use it where it actually helps in production.
Your Design Doc Quality Sets Claude Code's Speed Limit: Spec-First AI Development
The story of compressing 16 person-days into 2 hours isn't about how good the AI was — it's about how well the design doc prevented AI from having to think. Learn how to build specs that unlock Claude Code's true speed.
Building a Recurring Revenue Freelance Business with Claude Code — A 6-Month Roadmap to ¥1M MRR
Transform your freelance dev business from per-project income to predictable monthly recurring revenue. Learn how to pitch retainer contracts, price Claude Code's productivity gains correctly, and build a client management system that scales to ¥1M MRR.
Building a Zero-Touch Code Review Environment with Claude Code Hooks
Learn how to use Claude Code's hook system to automatically review code on every tool execution. Covers PostToolUse, Stop hooks, and the pitfalls to avoid when implementing PreToolUse blockers.
Claude Code Desktop Got a Major Overhaul: New UI for the Parallel Agents Era
Anthropic redesigned the Claude Code desktop app in April 2026 for the parallel agent era. Explore the new multi-session sidebar, drag-and-drop layout, integrated terminal, Side Chat, and Routines.
Claude Code MCP Connection Troubleshooting: A Complete Diagnostic Guide
A systematic approach to diagnosing MCP server failures in Claude Code—from config file validation to transport-layer debugging, crash recovery, and multi-server production patterns.
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.
The Real Cost of Claude API Extended Thinking in Production — ROI Data by Task Type
Three months of measured cost, quality, and speed data for Extended Thinking across five task categories. Learn exactly when extended thinking is worth it—and when it's not.