Articles about web development, Astro, and technology.https://www.oscargallegoruiz.com/en-ushttps://www.oscargallegoruiz.com/en/blog/claude-fable-5-review/https://www.oscargallegoruiz.com/en/blog/claude-fable-5-review/Fable 5 refactored my app like a senior dev, then ate my 5-hour limit. The quality jump is real, the token burn is brutal, and there's a trust problem. →Thu, 11 Jun 2026 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/agent-skills-coding-workflow/https://www.oscargallegoruiz.com/en/blog/agent-skills-coding-workflow/Grilling, PRDs, vertical slices, conditional TDD and a slim AGENTS.md. The five-skill pipeline I run on every feature, built on Matt Pocock's agent skills. →Fri, 05 Jun 2026 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/stop-prompting-write-loops/https://www.oscargallegoruiz.com/en/blog/stop-prompting-write-loops/Boris Cherny's job now is writing loops, not prompts: agents that prompt agents. What that means, how to build one in Claude Code today, and where it breaks. →Fri, 05 Jun 2026 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/ga4-manager-automate-google-analytics/https://www.oscargallegoruiz.com/en/blog/ga4-manager-automate-google-analytics/A CLI + MCP server that configures GA4 and Search Console from YAML, and flags what to check in your SEO by impact. Deterministic: you make the calls. →Mon, 29 Dec 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/gemini-flash-code-review-automation/https://www.oscargallegoruiz.com/en/blog/gemini-flash-code-review-automation/Three weeks pairing Gemini Flash with Claude Code on side projects: 90% of my tests are now AI-written and I ship 3-4x faster. What worked, what broke. →Wed, 24 Dec 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/astro-6-migration-guide/https://www.oscargallegoruiz.com/en/blog/astro-6-migration-guide/I upgraded this site from Astro 5 to Astro 6. The breaking changes that bit me: content.config.ts, the slug to id trap, Zod 4 defaults, removed APIs. →Wed, 03 Dec 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/gemini-3-developer-guide/https://www.oscargallegoruiz.com/en/blog/gemini-3-developer-guide/A week with Gemini 3 Pro: Deep Think on a real migration, a bug diagnosed from a 2-minute video, and the agentic stuff that still needs a babysitter. →Sat, 29 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/google-antigravity-review/https://www.oscargallegoruiz.com/en/blog/google-antigravity-review/Google Antigravity vs Cursor: honest verdict after a week with the agent-first IDE. Parallel agents, memory leaks, and which VS Code extensions survive. →Sat, 29 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/ai-prompt-engineering-tips/https://www.oscargallegoruiz.com/en/blog/ai-prompt-engineering-tips/One good example beats a paragraph of instructions: how one-shot prompting and context placement (start or end, never the middle) fix vague AI answers. →Fri, 21 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/astro-content-config-location/https://www.oscargallegoruiz.com/en/blog/astro-content-config-location/Astro schema fields missing at runtime? You're probably editing src/content/config.ts instead of src/content.config.ts. Symptoms, cause, 4-step fix. →Tue, 18 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/introduction-astro-5/https://www.oscargallegoruiz.com/en/blog/introduction-astro-5/Astro 6 is here. Hands-on with Islands and the Content Layer API, plus the real Next.js to Astro migration that pulled most of the JS off my portfolio. →Sat, 15 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/tailwind-css-4-news/https://www.oscargallegoruiz.com/en/blog/tailwind-css-4-news/Tailwind CSS 4 rebuilt the engine in Rust: ~5x faster full builds, 100x+ faster rebuilds. What broke migrating 3 production projects, the setup that works. →Sat, 08 Nov 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/typescript-best-practices/https://www.oscargallegoruiz.com/en/blog/typescript-best-practices/A strict tsconfig.json and advanced types took our production bugs from 47 to 3 in six months. The setup, the types that did the work, and where it hurt. →Sat, 25 Oct 2025 00:00:00 GMThttps://www.oscargallegoruiz.com/en/blog/tests-pass-locally-fail-vercel/https://www.oscargallegoruiz.com/en/blog/tests-pass-locally-fail-vercel/Tests pass locally but fail on Vercel? The real fix is one line: NODE_ENV in vitest.config.ts, plus CI-aware timeouts. My 4 wasted hours, condensed. →Sun, 12 Oct 2025 00:00:00 GMT