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JinHyuk Sung

Building deterministic developer tools for AI-assisted engineering. Creator of MergeWarden — a checkout-free policy gate for AI-agent PRs.

Joined Joined on  Personal website https://github.com/sjh9714/mergewarden github website
I audited 249 of my own AI coding sessions. The problem wasn't lying.
sjh9714 profile

I audited 249 of my own AI coding sessions. The problem wasn't lying.

#showdev #ai #testing #opensource
1
Comments
7 min read

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I benchmarked Claude Code skills against a placebo — and half of mine failed
sjh9714 profile

I benchmarked Claude Code skills against a placebo — and half of mine failed

#ai #claude #llm #testing
1
Comments 4
4 min read
Your AI-contribution policy is prose. Here's the enforceable half.
sjh9714 profile

Your AI-contribution policy is prose. Here's the enforceable half.

#opensource #ai #github #devops
1
Comments
4 min read
What 2,204 merged AI-agent PRs actually touched (0 declared their scope)
sjh9714 profile

What 2,204 merged AI-agent PRs actually touched (0 declared their scope)

#ai #github #devops #opensource
Comments
3 min read
AI agents can open PRs. Who checks whether they crossed the line?
sjh9714 profile

AI agents can open PRs. Who checks whether they crossed the line?

#ai #security #devops #github
Comments
3 min read
Would you block a PR that changes GitHub Actions contents permission from read to write?
sjh9714 profile

Would you block a PR that changes GitHub Actions contents permission from read to write?

#discuss #cicd #github #security
6
Comments 15
2 min read
I made Agent Gate installable in 30 seconds for AI PR checks
sjh9714 profile

I made Agent Gate installable in 30 seconds for AI PR checks

#showdev #ai #github #security
1
Comments
2 min read
CI gates for AI-generated PRs need re-derivable evidence
sjh9714 profile

CI gates for AI-generated PRs need re-derivable evidence

#ai #cicd #github #security
1
Comments 2
3 min read
LLM reviewers are useful, but some PR checks should stay deterministic
sjh9714 profile

LLM reviewers are useful, but some PR checks should stay deterministic

#devtools #ai #security #github
3
Comments 18
5 min read
I built a deterministic CI firewall for AI-generated pull requests
sjh9714 profile

I built a deterministic CI firewall for AI-generated pull requests

#devtools #security #ai #github
Comments 2
6 min read
Auditing GitHub CLI extensions before installing more
sjh9714 profile

Auditing GitHub CLI extensions before installing more

#terminal #github #cli #opensource
Comments 2
2 min read
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