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News
I made two AIs review each other's code for 30 days. A human still caught the bug in 5 minutes.
24+ min ago (905+ words) Last month I let AI write 100% of my code for 30 days. The single loudest lesson wasn't "AI is amazing" or "AI is useless." It was one sentence: the thing that writes the code can never be the thing that reviews…...
The best coding agent still gets ~6 in 10 changes wrong. That is your review load.
37+ min ago (244+ words) While tech review articles argue about what PR length is safe to let an agent produce, the review problem is set by a simpler number: how often the agent is wrong. Specific Labs' Real-SWE benchmark, published September 2026, runs frontier agents…...
I tested 31 MCP servers for contract compliance. Only 3% passed.
33+ 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…...
Distributed Locks
59+ 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
1+ hour, 3+ 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....
You Installed Git. Here Are the Next Ten Minutes.
1+ hour, 11+ 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…...
gh api --paginate --slurp --jq 'length' Counts Pages, Not Issues
1+ hour, 11+ min ago (415+ words) gh api --paginate --slurp --jq 'length' is the command everyone reaches for to count issues in a repository. It does not count issues. It counts pages. I found this while writing pagination recipes for a toolkit, and then found the…...
Your Fine-Grained GitHub Token Gets 404, Not 403. Check These Four Things Before the URL.
1+ hour, 11+ min ago (398+ words) Your script calls the GitHub API with a fine-grained personal access token and gets 404 Not Found on a repository you can open in the browser. The URL is right. The repository exists. You will spend the next twenty minutes checking…...
Someone Force-Pushed Over main. Here Is the Reflog Nobody Knows They Have.
1+ hour, 11+ min ago (423+ words) A colleague pushed a fix to main. Ten minutes later you amended a commit message and ran git push --force. Their commit is no longer reachable from any branch on the server. This is the one Git command that can…...
From SkillCheck to TraceMantle: Tracking Agent Skill Changes and Test Evidence
1+ hour, 35+ min ago (637+ words) I’ve renamed SkillCheck to TraceMantle and expanded its scope. The original project focused mainly on validating AI agent skill files. TraceMantle retains that functionality and adds support for tracking the files in a skill package, comparing changes, and checking whether…...