📰 Dev.to · Tony Spiro
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⚡ AI Lessons
Dev.to · Tony Spiro
8h ago
When AI Agents Go Wrong: How Cosmic Keeps Them Scoped
Recently, a rogue AI agent hijacked a developer's Fedora account and spent weeks submitting pull...
Dev.to · Tony Spiro
8h ago
Claude Code vs Codex vs Cursor: The Best AI Coding Tool in 2026
Every developer evaluating AI coding tools in 2026 hits the same three names: Claude Code, OpenAI...
Dev.to · Tony Spiro
2d ago
Claude Fable 5: What It Is and What It Means for Developers
Anthropic launched Claude Fable 5 today, June 9, 2026. It is the most capable model Anthropic has...
Dev.to · Tony Spiro
3d ago
How to Migrate from Contentful to Cosmic in 30 Minutes
Originally published on the Cosmic blog. Since Salesforce completed its acquisition of Contentful,...
Dev.to · Tony Spiro
6d ago
MCP Server: The Complete Guide for Developers (2026)
MCP server searches have crossed 60,000 per month and are still climbing. If you're building with AI...
Dev.to · Tony Spiro
6d ago
60% of New Databases Are Launched by AI: What It Means for Your Stack
This article was originally published on the Cosmic blog. Supabase recently shared a number that...
Dev.to · Tony Spiro
1w ago
Astro 6.4 + Cosmic: The Fastest Content Stack in 2026
Originally published on the Cosmic blog. Astro 6.4 landed recently, and the headline feature is hard...
Dev.to · Tony Spiro
1w ago
Building with Bun and Cosmic: The Fastest JavaScript Stack in 2026
Originally published on the Cosmic blog. Bun v1.3 is the fastest JavaScript runtime you can use...
Dev.to · Tony Spiro
2w ago
Claude Sonnet 4.5 vs 4.6: What Changed and Which Should You Use?
Anthropic shipped Claude Sonnet 4.6 in February 2026, roughly five months after Sonnet 4.5 launched...
Dev.to · Tony Spiro
2w ago
How to Add a Cosmic AI Agent to Your Codebase: Website Chat with Full Content Context
Most chat widgets on the web are disconnected from the product they sit on. They answer from a...
Dev.to · Tony Spiro
2w ago
How to Make Your Product Agent-Callable: What We Learned Building Agent Signup
Nobody handed us a playbook for this. We built one by accident. When we started thinking about how...
Dev.to · Tony Spiro
2w ago
Cosmic AI Agents vs. Contentful Skills: Two Very Different Visions of AI in the CMS
On May 20, 2026, Contentful announced Contentful Skills: a free, open-source package that teaches...
Dev.to · Tony Spiro
🤖 AI Agents & Automation
⚡ AI Lesson
2w ago
The Power of Headless CMS with AI Agents
What if your content could manage itself — publishing, optimizing, and adapting without constant...
Dev.to · Tony Spiro
⚡ AI Lesson
3w ago
Why Bun is Rewriting in Rust (And What It Means for JavaScript Developers)
Bun started as a bet that JavaScript tooling could be much faster. That bet paid off. Now, Bun is...
Dev.to · Tony Spiro
3w ago
Claude Sonnet vs Opus for Coding: Which Model Should You Choose?
If you've spent any time building with the Anthropic API, you've faced the same question: Sonnet or...
Dev.to · Tony Spiro
⚡ AI Lesson
3w ago
How to Build a React Blog with Next.js and Cosmic
Building a blog with React and Next.js is one of the most common use cases for modern web...
Dev.to · Tony Spiro
1mo ago
MCP vs Agent Skills: What's the Difference and Which Do You Need?
Originally published at cosmicjs.com Two terms keep coming up in every AI developer conversation...
Dev.to · Tony Spiro
1mo ago
Astro vs Next.js: Which Framework Should You Use in 2026?
Originally published at cosmicjs.com Choosing between Astro and Next.js in 2026? Both are excellent...
Dev.to · Tony Spiro
1mo ago
AI as Coordinator: Why SaaS Must Bundle or Die
For most of the last decade, the conventional wisdom in software was simple: use the best tool for...
Dev.to · Tony Spiro
🤖 AI Agents & Automation
⚡ AI Lesson
1mo ago
How to Build an AI-Native Team: A Practical Framework for Working Alongside Agents
Cloudflare just published a striking signal. In a letter to their team announcing a workforce...
Dev.to · Tony Spiro
1mo ago
Cosmic Agents vs Sanity Agent Context vs Hygraph AI: A Real Comparison
The phrase "AI-powered CMS" has become meaningless. Every headless CMS vendor is using it. The real...
Dev.to · Tony Spiro
⚡ AI Lesson
1mo ago
Why Headless CMS Is the Wrong Category
The term "headless CMS" made sense in 2015. It was a genuine breakthrough: decouple your content from...
Dev.to · Tony Spiro
1mo ago
How to Migrate from Storyblok to Cosmic
A step-by-step guide for developers migrating from Storyblok to Cosmic: content model mapping,...
Dev.to · Tony Spiro
1mo ago
Headless CMS for TanStack Start: Build a Blog with Cosmic
You want SSR, fast routing, and a CMS your whole team can edit without touching code. Here's how to...
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