Harboratory Labs

Practical, no-fluff guides on developer and AI tools.

Practical, tested guides on developer and AI tools - payments, APIs, automation, and shipping faster. New articles published regularly.

• AI PR summary tools for faster code review

  Explore how AI PR summary tools streamline code review by providing concise, accurate summaries of changes. Learn their mechanisms, key features, and how to select the best tool for your development workflow.

• Cloudflare Pages vs Vercel for Static Sites in 2026: A Developer's Deep Dive

  Comparing Cloudflare Pages and Vercel for static site deployment in 2026, focusing on cost, platform limits, and developer experience to help engineers choose.

• Cloudflare Workers vs AWS Lambda for APIs

  An in-depth comparison of Cloudflare Workers and AWS Lambda for building APIs, focusing on cost, cold starts, and developer experience.

• Gemini API Free Tier Limits in 2026, Explained: What You Actually Get and How to Stay Under the Caps

  Understand the Gemini API's free tier limits for 2026, including RPM and TPM. Learn practical strategies to optimize usage and avoid exceeding caps.

• GitHub App vs OAuth App: which one should you build?

  Decipher whether to build a GitHub App or an OAuth App for your integration. This guide details their architecture, permissions, use cases, and key differences to help developers make an informed decision.

• Groq vs Gemini Free API: Which to Use for Side Projects

  Unsure whether to use Groq or Gemini's free API for your next side project? This article provides an honest comparison for hobby and indie builders.

• How to add retry with exponential backoff to fetch in Node.js

  Learn how to implement a robust `fetch` retry mechanism with exponential backoff and jitter in Node.js. This practical tutorial provides copy-paste code to handle transient network errors and API rate limits effectively.

• How to build a GitHub App, step by step

  Learn to build a GitHub App from scratch. This tutorial covers authentication, granular permissions, secure webhook handling, and API interaction.

• How to deploy a static site to Cloudflare Pages

  Learn to deploy your static site to Cloudflare Pages using Wrangler. This step-by-step guide covers setup, configuration, and deployment for fast, global hosting.

• How to Generate Release Notes from Pull Requests Automatically

  Automate release note generation from pull requests using tools like Conventional Commits or a custom script, streamlining your software release process and improving communication.

• How to Receive USD Payments as a Developer in Nigeria

  Nigerian developers often face hurdles receiving USD payments. This guide explores domiciliary accounts, fintech platforms like Raenest, and direct platform payouts to help you get paid efficiently.

• How to speed up GitHub Actions with caching

  Learn to dramatically reduce GitHub Actions CI/CD runtime with effective caching strategies. Explore concrete examples for Node.js, Python, and Go dependencies.

• How to stream LLM responses in the browser

  Learn to stream LLM responses in the browser for improved UX using Server-Sent Events (SSE) and the Fetch API with ReadableStream. Includes practical code examples.

• How to Verify GitHub Webhook Signatures in Node.js

  Learn to secure your Node.js applications by verifying GitHub webhook signatures using the native Node.js `crypto` module, preventing spoofing and unauthorized requests.

• Polar vs Gumroad vs Lemon Squeezy for indie developers

  Compare Polar, Gumroad, and Lemon Squeezy for indie developers. Analyze fees, payouts, and Merchant of Record benefits to choose the ideal platform for your digital products and SaaS.

• Programmatic SEO for developers: a practical guide

  Unlock scalable content creation with programmatic SEO. This guide for developers covers data-driven strategies, template design, and automation to build many useful pages without spamming search engines.

• Storing secrets safely in GitHub Actions

  Master GitHub Actions secrets best practices. Learn to secure sensitive data using environment secrets, OIDC, and external managers, avoiding common pitfalls.

• The best free LLM APIs in 2026 for builders

  Explore the top free Large Language Model APIs available to developers in 2026. Discover their capabilities, limitations, and how to maximize their utility for your projects.