Monday.com has released HATCHA, an open-source reverse CAPTCHA system that gates access behind challenges trivial for AI agents but difficult for humans, such as large-number multiplication and binary…
A developer explains that Cursor AI is more than an AI-powered code editor, detailing its features including Rules, Skills, Hooks, Plugins, MCP, Automation, and Customization. The guide uses real-worl…
LightShield, a SIEM built by LS-SIEM LLP, developed qa-probe, an open-source tool that stops AI coding assistants from hallucinating bug fixes by providing ground-truth evidence. The tool analyzes sou…
A developer warns that AI-generated backend code often ships with critical security vulnerabilities because it works on the happy path but lacks safeguards like body limits, CORS restrictions, and inp…
Crespo, a new open-source tool, uses Tree-sitter AST parsing to extract structural blueprints from codebases, reducing token usage by up to 89% while preserving architectural understanding for LLMs. T…
A developer shares practical techniques for improving interactions with large language models, including providing context, role-playing, step-by-step reasoning, few-shot examples, constraints, and it…
A developer published a guide to building production RAG systems in Node.js, covering setup, database schema with pgvector, and multi-tenant architecture. The tutorial includes code examples for Postg…
Katrina Laszlo released agentkey, an open-source library that adds scoped, budgeted, and time-bounded API keys to existing Postgres databases. The library addresses the need for per-key spend limits, …
In 2026, the JavaScript runtime landscape has shifted significantly with Node.js 24, Bun 1.3, and Deno 2.8 each offering distinct advantages. Trigger.dev reported a 5x throughput improvement after swi…
Sparda launches a tool that converts Express and FastAPI applications into MCP servers in three minutes without requiring OpenAPI specs, accounts, or hosting. The tool uses AST scanning to inject a re…
A developer building email-agent webhooks found that localhost endpoints fail because the platform requires a public HTTPS URL for verification. The solution uses a trial domain from Nylas and an HTTP…
Software engineer Joseph Ndungi built a full-featured weather app called Skyline as part of a technical challenge for a job opportunity that turned out to be an elaborate scam. The fake company, weath…
A developer built AICS, an AI-powered customer support and lead capture system that works 24/7. The system uses Node.js, Express, Google Gemini API, RAG, and Qdrant vector database to answer visitor q…
A developer built the same refund feature twice—once with vibe coding and once with spec coding—to compare the outcomes. The vibe-coded version, created in 10 minutes, required two weeks of bug fixes …
A developer cut their LLM API costs by over 70% by building a thin proxy layer that routes requests to cheaper models based on complexity, without changing any application code. The proxy, written in …
A developer built a production-ready JWT authentication system in Node.js using Express, Prisma ORM, PostgreSQL, bcryptjs, jsonwebtoken, and cookie-parser. The system implements short-lived access tok…
A developer built BraveMCP, a local-first 'second brain' that gives Claude Desktop access to browsing history, bookmarks, highlights, and notes via the Model Context Protocol (MCP). The system uses an…
A developer built a free SEO and generative engine optimization (GEO) audit tool called freeseoaudit.vercel.app. The tool performs over 40 checks across 8 categories, including GEO-specific checks for…
A developer demonstrated AI-driven API test automation at EuroSTAR 2026 by creating a REST API for e-commerce using JavaScript and Express, then generating test cases via equivalence partitioning and …
A developer fixed laggy responses in their AI chatbot widget by switching from plain fetch requests to Server-Sent Events (SSE). The initial implementation caused 15-30 second delays and a 50% bounce …