All Articles
Testing Stripe Webhooks Safely with Claude Code: Three Practical Local Workflows
Reproduce Stripe webhook failures locally with confidence. Three practical patterns combining Claude Code with Stripe CLI, signed payload replay, and idempotency checks — with full working code.
Claude API Telemetry on ClickHouse: A Production Guide to Cost, Latency, and Error Analytics
Stream per-request Claude API telemetry into ClickHouse, build sub-second dashboards with materialized views, and detect cost spikes, retry loops, and silent failures with practical SQL recipes.
Eliminating Flaky Tests Systematically with Claude Code
Move past the 'just hit retry' habit. This guide walks through a structured workflow for using Claude Code to classify, reproduce, and fix flaky tests at the root cause level — without papering over them with sleeps or skips.
Composing Claude Code Skills — Building Automation a Single Skill Can't Reach
A practical guide to going beyond one-skill-at-a-time and composing multiple Claude Code Skills into real workflows. Pipeline, branching, and meta-skill patterns with full implementation examples and the failure modes you should design against.
Fix Claude API's 'messages.X.role must alternate' in One Minute — Common 400 invalid_request_error Patterns
A pattern-by-pattern guide to fixing the 'messages.X.role must alternate' error in Claude's Messages API — covering user/assistant alternation, tool_use and tool_result pairing, and history-trimming pitfalls with working code.
Designing Codebases Where AI Agents Hit the Ground Running
A practical blueprint for designing codebases where Claude Code and other AI agents can contribute productively from minute one. Covers CLAUDE.md, contract boundaries, guardrails, and test strategy.
Codify Your Writing Voice as a Cowork Skill: A Personal Brand Style Guide Pattern
How to capture your own writing voice — vocabulary, rhythm, structural quirks — as a Cowork Skill, using a three-step loop of observation, SKILL.md authoring, and falsification testing, plus a small helper script that turns the numbers into a list of places to re-read.
Building a Production Multilingual Translation SaaS with Claude API — Glossaries, Style, and Domain Adaptation in Practice
A practical, code-first design guide for running a translation SaaS on Claude API: glossaries, style guides, domain adaptation, quality gates, and cost controls that survive real production traffic.
Why Claude Code Skips .gitignore Files in Search — and How to Pull Them in When You Need Them
When .env.example or dist/ won't show up in Claude Code's Glob and Grep, .gitignore is the reason. Here's why it happens, plus three concrete ways through it: the Read tool, --no-ignore flags, and selective gitignore overrides.
Automating Frontend Accessibility Audits with Claude Code — axe-core, Hooks, and PR Comments That Actually Get Read
A practical way to make accessibility audits actually stick in a real codebase. Combine axe-core with Claude Code skills, pre-commit hooks, and a GitHub Actions PR comment, with code you can paste in today.
Building a Production Claude API Pipeline on Cloudflare Queues: Fault Tolerance, Backpressure, and Cost Control
A practical, code-first walkthrough for routing Claude API calls through Cloudflare Queues — covering producer/consumer code, retry-vs-DLQ branching, priority lanes, and token budgeting for production workloads.
9 Practical Claude System Prompt Examples — Templates That Work in Production
Nine production-ready Claude system prompt templates for support, code review, JSON extraction, education, persona consistency, and more — with the design rationale for each pattern.