RFC 9457: A Better Error Response Format for HTTP APIs Most APIs eventually end up with an error response like: { "message": "Something went wrong", "error": "Bad Request", "statusCode": 400} The problem…
Jotai, the atomic state management library for React maintained under the Poimandres collective, has published its v3.0.0 stable release, which the team introduced as “a modernized ESM-only package with no…
Strong UX ideas do not secure investment on their own. Through a worked example, Alex Williams breaks down how to define business value, calculate costs, test causality, and build a…
In our last post, we built five small gr.Workflow graphs and hinted at what it would take to build something as complex as AUTOMATIC1111’s stable-diffusion-webui. In this post we walk…
If you write software for anyone who pays UK tax, sooner or later you’ll need to talk to HMRC. Making Tax Digital (MTD) for Income Tax went live on 6…
Anthropic’s Model Context Protocol (MCP) went into production in late 2024. It spread rapidly after that. Since then, thousands of MCP servers have been created. Microsoft, Google, and OpenAI embraced…
Editor’s note: This JWT authentication tutorial was last updated on 23 July 2026 by Emmanuel John to discuss modern JWT authentication practices, including OAuth 2.0 and OIDC, secure token storage,…
Building on the momentum of 3.7 Flash from three weeks ago and marking our third Flash release in only six weeks, today we’re introducing Gemini 3.8, our best reasoning and…
Hi, this is Gergely with a bonus, free issue of the Pragmatic Engineer Newsletter. In every issue, I cover Big Tech and startups through the lens of senior engineers and…
In our State of Agentic AI report, 60% of organizations reported having AI agents running in production. Those agents install packages, run scripts, and call external services on their own,…
