Your API provider shipped a breaking change. Here's how to find what it breaks in your code
When Dependabot bumps a dependency, the PR is green, the tests pass, and you merge it on autopilot. Three days later something in production throws a …
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My Comment-Reply Audit Only Checked One Level Deep. Nested Replies Reported as Never Posted.
This repo runs a small comment-reply pipeline for my DEV.to articles. DEV.to's API can't post comments or reactions for a normal account key ( POST /a…
My MCP Tool's Audit Log Was Built So a Bad Write Would Leave a Trace. The Log Itself Leaves None.
A few days ago I fixed update_article , one of the tools in this repo's MCP server, because it had a nasty shape: it took a bare integer article_id , …
MCP 2.0 + Security Patches: Rails RCE, Nuxt Updates
Two critical RCEs landed this week alongside a meaningful protocol revision in the MCP ecosystem—the kind of week where you're patching in parallel wi…
HTML Minifier: the privacy-first data tool that runs entirely in your browser
Every byte matters when optimizing web performance, but not every project has a build pipeline to strip unnecessary whitespace and developer comments …
How to Generate Short Videos from Claude.ai with a Seedance MCP Connector
Sometimes the fastest way to prototype a video idea is not to open a separate generation dashboard, but to let your assistant create and poll the task…
A Year of AI Pair Programming: What Actually Changed
Originally published on robatdasorvi.com The first sign that something had shifted was when I stopped feeling proud of finishing things. That sounds w…
What actually belongs in CLAUDE.md — and what to move to skills, hooks, or docs
Your CLAUDE.md only grows. Every incident adds a rule, every preference becomes a paragraph, and six months in you have a file that reads like a wiki …
Before Grok Build Uploads Your Repo, Show the Outbound Receipt
Coding agents create an awkward security moment. A developer can understand the task they typed and still have no compact answer to a more important q…
The entire Claude Code skills top 10 belongs to three authors. Anthropic holds one slot.
Pull the all-time install leaderboard for Claude Code skills today and count the authors. The ten most-installed skills come from exactly three names:…
8 Developer Tool Comparisons You Should Actually Read Before You Commit (2026)
Picking a dev tool by vibes ("everyone uses X") works until it doesn't — usually right after you've built three months of workflow around it. Below ar…
CDK update - June 2026
Index TL;DR Major Features ⚠️ Lambda Node.js 24.x — Action Required cdk explore — Visual Cloud Assembly Browser cdk validate — Standalone Validation C…
Frontend Observability for Startups: Choosing Tools That Actually Save You Time
How modern frontend teams can use observability tools like Sentry, SonarQube, and LogRocket to debug faster, write cleaner code, and stop bugs before …
Your agent's instructions are promises nobody checks. I counted.
I didn't set out to build a developer tool. For a long time now I've been working with AI on everything in my life — daily conversations about my daug…
How to Build and Debug MCP Servers for Claude Desktop in 5 Seconds 🔨
How to Build and Debug MCP Servers for Claude Desktop in 5 Seconds 🔨 Model Context Protocol (MCP) by Anthropic is rapidly becoming the open standard f…
We Audited Our Claude Code Setup Against Anthropic's Own Context-Engineering Rules — Here's What We Found
The question that started this We run Claude Code against a fairly large, fairly automated repository — a farming-assistance platform with a Node.js b…
My AI-Attribution Filter Strips Any Commit Mentioning "llm". Including the Ones About My Own LLM Calls.
Four days ago I audited a filter in this repo and found it was quietly eating legitimate commit messages. I wrote up the finding, proposed a fix, and …
My prepare-commit-msg Hook Got a Timeout Fix 3 Days Ago. It Has Never Once Executed.
Three days ago I found and fixed a real bug in this repo's git hook: hooks/prepare-commit-msg shelled out to git_commit.py , which called claude -p wi…
My Scripts Say dev.to Blocks "the Default urllib User-Agent." That's Not the Actual Rule.
Two scripts in my my-git-manager repo — publish_devto.py and reply_comments.py — both carry the same one-line comment on the same header: req . add_he…
Stop manually logging your AI API calls — one-line auto-logging for OpenAI and Anthropic
Every time you call an AI API, you're spending money. But unless you're checking the dashboard after each session, you have no idea which project or m…
My Project Has a Memory File So My Agent Doesn't Reread Everything. It Never Learned My Most-Used Script Existed.
I run a small side project where a Claude Code session publishes to DEV.to twice a day on a schedule, with no human reading along in real time. To kee…
I built a terminal tool to see your AI coding limits before they stop you
The worst moment in a coding session is hitting a rate limit mid-task. You're deep in a refactor. Claude Code stops. Or Codex resets. And you spend th…
I built a local-first CLI to track what I'm actually spending on AI APIs
Every month I got surprised by my OpenAI bill. Not by a lot — but enough that I'd open the usage dashboard, squint at a chart, try to remember which p…
AgentScaffold: Memory, Peer Review, and Continuous Improvement for AI Coding Agents
An AI coding agent will never tell you it's guessing. It doesn't hedge before a wrong answer, doesn't slow down when it's about to break something thr…
My requirements.txt Is Pinned. My MCP Server's Actual Contract Isn't, and Nothing Would Catch It Changing.
Back on 2026-07-14 I found and fixed a real landmine in this repo: requirements.txt had mcp[cli] with no version constraint at all. Any fresh install …
Custom slash commands in Claude Code: how they work now that commands are skills
You type /fix-issue 123 and Claude Code expands it into a full prompt with your team's standards attached. Custom slash commands are the cheapest auto…
logsnip: cut CI noise, keep the stack traces
Cut the noise. Keep the stack traces. CI logs are mostly package installs. The failure is a few dozen lines buried under thousands of Downloading… lin…
I lint-scanned 36 popular MCP servers. A third of them are failing your agent.
Originally published at tengli.dev Your MCP server can be 100% spec-compliant and still be unusable by an agent. The Model Context Protocol spec tells…
hollowtest: find tests that pass but prove nothing
Coverage can be green while your test suite is empty of proof. That is not a hypothetical. Stack Overflow’s 2025 developer survey found that a majorit…
Building a Small Terminal Command Helper with an LLM
I regularly lose time to terminal muscle memory. I work across Windows and Unix-like shells, so I will remember the right command in the wrong environ…