5d ago · 2 min read · This post was created with AI assistance and reviewed for accuracy before publishing. Trending in 2026: Model Context Protocol (MCP) is the de facto way teams expose tools (files, APIs, databases) to AI clients in a consistent way. Anthropic open-sou...
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Mar 25 · 4 min read · The Bug: Global State Corruption git-with-intent runs AI agents that interact with LLM providers. Each tenant registers their own custom providers — API keys, model configurations, cost metadata. The CustomProviderRegistry managed these registrations...
Join discussionMar 18 · 1 min read · Users wanted to register with just a phone number, but the backend required an email. Background Our LINE-integrated e-commerce site targets users who often do not want to enter an email. The form said enter your phone number but returned 400. The Fi...
Join discussionMar 4 · 5 min read · TypeScript gives you static type checking at compile time. Zod solves the complementary problem: validating data at runtime that comes from outside TypeScript's control — HTTP request bodies, API responses, environment variables, user input, and conf...
Join discussionMar 2 · 6 min read · In 2026 the honeymoon of "talking" to AI is over. As Senior Software Engineers, we've learned a hard truth: software is not a conversation — it's a contract. The hype insists a 'perfect prompt' is all
Join discussionMar 3 · 9 min read · Schema Validation Tools: Zod, JSON Schema, and Protobuf Compared TypeScript gives you compile-time types, but types disappear at runtime. Data from APIs, form inputs, environment variables, and external services arrives as unknown at best and any at ...
Join discussionFeb 14 · 4 min read · The Problem: Inconsistent Email Validation Across the Codebase A frontend spike revealed that email validation logic between the backend and frontend was not consistent. The backend depended on a large Mailman regex with additional length checks, whi...
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Feb 12 · 11 min read · Why Runtime Validation Matters in Modern Architectures The shift toward distributed systems, serverless functions, and API-first architectures has fundamentally changed how data flows through applications. Your TypeScript application might receive da...
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