There is a specific kind of pain that only software engineers know. You finish a massive ticket on a Friday morning. You push the code, open the Pull Request, and ping your tech lead.
And then... crickets.
You end up context-switching to a new task, only to get a PR comment on Monday afternoon telling you that you forgot to handle a null state. Now you have to context-switch back.
I got so frustrated by this cycle that I decided to script a solution. I wanted a tool that would read my PRs the second I opened them and yell at me for my mistakes before anyone else could see them.
Building the Automation
I started by writing a simple GitHub webhook that passed my git diffs to an LLM. The results were surprisingly good, but I needed it to leave inline comments exactly where the flawed code lived.
Fast forward a few months, and that weekend script evolved into Mesrai. It is now a fully-fledged GitHub App. Whenever I open a PR, it acts as my automated first line of defense, catching edge cases and security flaws in seconds.
The biggest lesson? If a workflow in your daily engineering life feels slow and painful, there is a very good chance thousands of other developers are feeling the exact same pain. Build the tool that solves it for you first.
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