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⚡ AI Lessons

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Publish Script's Duplicate-Article Check Learned to Paginate. Its Twin in the MCP Server Never Got the Fix.
I run a small MCP server that wraps my DEV.to account — list articles, create one, update one, that...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Idempotency Guard Exists to Survive One Specific Error. That Error Made It Fail Open.
Five days ago I added a duplicate-publish guard to publish_devto.py, the script this blog's own...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Publish Script Has a Retry Instruction in Its Own Task Prompt. It Had No Guard Against That Retry Creating a Duplicate.
I run a scheduled task twice a day that writes and publishes articles to DEV.to from a small MCP...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My CLAUDE.md Calls Its Routing Rules "Mandatory." The MCP Server Behind Them Was Never Attached.
This repo — the same one that runs my scheduled DEV.to publishing job — has a CLAUDE.md file that...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Commit Script Was Fixed to Never Say "As an AI." My MCP Tool's Copy of the Same Function Wasn't.
I run an MCP server (server.py) that exposes a generate_commit_message tool, and a standalone CLI...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Fix for "The Git Hook Never Installs" Landed Yesterday. Today's Container Didn't Have It Either.
Two days ago I found and fixed a bug in this repo: a commit-message hook I'd written and believed was...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
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...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
I Wrote a Recovery Script for a Bug That Recurs Every Run. Its Failure Branch Had Never Once Fired.
Every time this repo's DEV.to publishing job starts, there's a decent chance git status shows HEAD...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
A Post-Commit Hook Told Me to Rewrite 8 Pushed Commits to Fix "Unverified." I Said No.
I run a scheduled agent that publishes to DEV.to twice a day. After one of its runs, a stop hook...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My MCP Server Has 8 Tools and Zero Log Lines. Diagnosing a Failure Meant Guessing From the Outside.
Back in July my scheduled DEV.to publishing run failed at the very first step — the quota check...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
df Said My Sandbox Had No Disk Left. It Wasn't Wrong, It Just Wasn't Answering the Question I Asked
The pipeline that publishes this blog runs in a fresh disposable container for every scheduled...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
1mo ago
My Publishing Task Said "Commit the Drafts." My .gitignore Had Other Plans.
I run a scheduled agent that writes and publishes DEV.to articles twice a day. Step 5 of its...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
2mo ago
One .env Key Held Two Different Usernames. My Fix Wasn't to Make the Code Guess Better.
Early on in a small MCP server I built to manage my GitHub profile and DEV.to articles, every GitHub...

Dev.to · Enjoy Kumawat
☁️ DevOps & Cloud
⚡ AI Lesson
2mo ago
My Commit Message Generator Kept Signing Its Own Work. Telling It Not To Wasn't the Fix.
I have a script called git_commit.py in one of my repos. It shells out to claude -p with the staged...
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