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Your LLM agent calls a tool via MCP. The tool fails. Your trace shows tools/call search — error. That's it. Not why it failed. Not how long it took.
5,699 Tests, Zero Stubs: How We UAT-Verified a 25-Agent AI Marketing Platform 358 test files. 5,699 individual tests. Every single one pass
I want to be honest about something: when I built @thicket-team/mcp-calculators, I expected maybe 10 downloads/week from people testing MCP integratio
This is the post I wish had existed when I was debugging my first AgentCore CDK deploy at midnight. AgentCore is a relatively new service and CDK sup
I open-sourced salt-theme-gen — a zero-dependency OKLCH theme generator for JS/TS Theming often sounds simple until you actually try to do it well.
We shipped the AI layer for Kobin today — an agency operating system that replaces Slack, Notion, HubSpot, Linear, and Buffer. This is the technical s
I created a new website: Free Access to the 8 Volumes on Typescript & AI Masterclass, no registration required. Choose Volume and chapter on the menu
I hit this problem a few months back. About 50 agents, each talking to different MCP tool servers, and I couldn't answer a basic question: which agent
When I started thinking about how AI agents interact with applications, something bothered me. Today, when an AI agent needs to answer "are there sea
I stopped writing code by hand a while ago. Claude writes it, I review it, it ships. It works, so why should I? But here's the thing -- if AI writes
next-themes has 22 million weekly downloads. It hasn't had a release in over a year. There are 43 open issues and 16 unmerged PRs sitting there, inclu
Runaway AI agents are expensive. Stories of agents burning through thousands of dollars overnight come up regularly on Reddit and Hacker News — no bud
There is a pattern that shows up constantly in React TypeScript projects where GitHub Copilot was involved. It looks like this: const [data, setDat
When working with TypeScript, you quickly run into a common problem: 👉 You want your code to be reusable, but also type-safe. At first, it’s temptin
Building a multi-chain swap interface used to mean integrating separate SDKs for each DEX on each chain, managing router contract addresses, and handl
Discord has over 200 million monthly active users and hosts some of the largest crypto communities on the internet. Crypto Discord servers grew 40% ye
Your AI email agent handles the first two replies flawlessly. It reads the original message, drafts a thoughtful response, and sends it on time. Then
Ever wondered if you'd survive a crypto flash crash? What if you could practice trading with real market data without risking actual money? That's wh
Hey DEV Community 👋, In my last post about building Nexus LMS (an enterprise-grade backend using NestJS 11 and Notion as a Headless CMS), I got a ver
In my last post, I introduced Agentest, a Vitest-style testing framework for AI agents. Let's put it to work on something concrete: a LangChain tool-