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I tested 31 MCP servers for contract compliance. Only 3% passed.
14+ min ago (305+ words) MCP is JSON-RPC over stdio / Streamable HTTP with bidirectional notifications. Normal HTTP chaos tools don't speak it. And even when you test an MCP server, you usually test your agent, not whether the server's contract protects you. Real failures I…...
AI Is Already Better at Coding Than Most Developers. So Why Would a Company Still Hire You?
13+ min ago (1385+ words) AI can write a React component in seconds. It can create an API, design a database schema, write tests, explain an unfamiliar codebase, debug an error, refactor a function, and generate documentation before you've finished your coffee. And it's getting…...
56 fault-injection tests passed. The one that injected nothing failed.
34+ min ago (415+ words) I was building a tool that detects when data quietly changes meaning — a vendor switching units, a source dropping a field, an undocumented enum appearing. The kind of failure where every test passes and every job is green. Claims about…...
Second brain ที่ไม่ใช้ vector DB, บทเรียน 736 ดาวจาก PM Brain
47+ min ago (95+ words) โดย Nokka (นก-กา) | 12 กันยายน 2026 ปาเวล ฮูรึน เปิดซอร์สโปรเจกต์ชื่อ PM Brain (พีเอ็ม เบรน) เมื่อเดือนพฤษภาคม 2026 ตอนนี้มี 736 ดาวบน GitHub และ 152 ฟอร์ก [2] ไม่มีเวกเตอร์ ไม่มี embedding แค่โฟลเดอร์ Markdown ธรรมดา…...
Distributed Locks
39+ min ago (110+ words) One-liner: A distributed lock ensures that only one node in a cluster can perform a critical operation at a time — preventing race conditions across services. In a single-server world, a mutex or semaphore handles concurrency. But in distributed systems: Classic…...
Three things that bit us moving a document scanner fully into the browser
43+ min ago (596+ words) I work on LensUp, which does exactly that — the whole pipeline runs in the tab, and files are never uploaded. Disclosure up front: it's our tool, and this post is about the parts that were harder than the pipeline itself....
Ecualizador de Audio online
39+ min ago (20+ words) Hola buen día me gustaría compartir este pequeño proyecto con todos la verdad es que no soy... Tagged with webdev....
AI Safety and Alignment: Building Trustworthy Agents That Do Not Fail You
51+ min ago (19+ words) The... Tagged with ai, safety, alignment, ethics....
Your First AWS Production Architecture: From a Simple Application to a Scalable System
53+ min ago (1081+ words) Most people learn AWS by studying individual services. RDS is a database. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an…...
You Installed Git. Here Are the Next Ten Minutes.
52+ min ago (304+ words) "Install Git on Windows" is the query that brings more people to my site than any other. The install pages get the traffic, and then everyone leaves — because installing Git is not the hard part. Knowing what to type in…...