hao li

CS student building dev tools for AI coding agents. 💼 Open for freelance: Chrome extensions, Python automation, MVPs → Fiverr: fiverr.com/haoli_builds

Joined on Sep 30, 2026

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

hao li

Oct 4

My Parents Ran a Noodle Restaurant for 15 Years. They Never Read a Single Google Review.

#devchallenge #weekendchallenge #hf26challenge #gemma

4 min read

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hao li

Oct 4

Your wheel can be a valid zip and still break installers. I built a checker for that.

#python #packaging #opensource #testing

2 min read

hao li

Oct 3

Your Package Has a License. Your Wheel Doesn't Say So.

#python #packaging #opensource #testing

3 min read

hao li

Oct 3

Your Python Package Installed. Its CLI Crashed on --help.

#python #packaging #opensource #testing

4 min read

hao li

Oct 3

Apple's Python Package Says 3.11. Its Wheel Requires 3.14.

#python #packaging #opensource #testing

3 min read

hao li

Oct 3

Google Published a PyPI Release Without Its Git Tag

#python #packaging #opensource #testing

3 min read

hao li

Oct 3

Git Can Track Two Files Your Mac Cannot Check Out

#python #git #opensource #testing

3 min read

hao li

Oct 3

Your Python Tests Passed. Your Published Wheel Is Missing Files.

#python #opensource #testing #packaging

3 min read

hao li

Oct 2

I stopped letting my agents guess ports

#claudecode #ai #devtools #python

2 min read

hao li

Oct 2

Your Subagents Are Re-Sending 51K Tokens Every Call. I Built a Tool to Prove It.

#claudecode #ai #python #productivity

2 min read

hao li

Oct 2

Your Claude Code Read Deny Rule Is a Screen Door — I Built a Tool That Proves It

#claudecode #security #python #ai

4 min read

hao li

Oct 2

Your CLAUDE.md Might Not Be Loading — I Built a Check-Up for That

#claudecode #ai #tooling #python

3 min read

hao li

Oct 2

Stop rewriting your whole plan: shard it instead

#claudecode #ai #productivity #python

2 min read

hao li

Oct 1

I track protein, not calories. So I built a dead-simple tracker for lifters.

#javascript #webdev #opensource #fitness

2 min read

hao li

Oct 1

Your README's demo link is dead and nobody told you.

#python #opensource #webdev #markdown

2 min read

hao li

Oct 1

I tag releases, then dread writing the notes. So I automated it.

#git #python #opensource #productivity

2 min read

hao li

Oct 1

The 60-second gate I run before any repo goes public.

#python #opensource #git #devops

2 min read

hao li

Oct 1

Know what that file costs before you paste it into the chat.

#python #ai #opensource #productivity

2 min read

hao li

Oct 1

Deployed, 500'd, forgot the env var again. I built a pre-deploy gate.

#python #devops #opensource #webdev

1 min read

hao li

Oct 1

Your AI draft sounds like AI. I built a linter that scores how plain it is.

#python #writing #opensource #ai

2 min read

hao li

Oct 1

Your AI-generated website looks AI-generated. I built a detector that scores it.

#css #python #opensource #webdev

2 min read

hao li

Oct 1

Your MCP server's tools are confusing your agent. I built a linter that scores them.

#mcp #python #opensource #ai

2 min read

hao li

Oct 1

My agent made 40 decisions today and wrote down zero. So I built dlog.

#ai #python #opensource #productivity

2 min read

hao li

Oct 1

Stop debugging webhooks blind. I built a tap that shows you the raw bytes.

#python #webdev #opensource #debugging

2 min read

hao li

Oct 1

I gave my coding agent a sense of taste. It picks restaurants from my music.

#mcp #python #opensource #ai

2 min read

hao li

Oct 1

Everyone builds agent memory for store-and-search. I built the other half: write and delete.

#ai #python #opensource #agents

5 min read

hao li

Oct 1

I gave Alexa a memory for my workouts — a stdlib-only MCP server with OAuth 2.1

#mcp #python #opensource #alexa

1 min read

hao li

Sep 30

My agent changed `toBe(10)` to `toBe(9)` and called it done. I built hooks to stop that

#ai #python #claudecode #cli

7 min read

hao li

Sep 30

Two Claude Code sessions, one repo, one corrupted edit. A 60-line fix.

#ai #python #opensource #claude

1 min read

hao li

Sep 30

I bounce between Claude Code and Codex. I built the bridge I was missing.

#ai #python #opensource #productivity

3 min read

hao li

Sep 30

Your MCP servers are eating your context window. I built a CLI to audit the tax

#mcp #python #cli

3 min read

hao li

Sep 30

I gave my coding agent eyes on my real, logged-in browser (stdlib-only, local)

#showdev #opensource #mcp #python

2 min read

DEV Community

hao li

Badges

Writing Debut

My Parents Ran a Noodle Restaurant for 15 Years. They Never Read a Single Google Review.

Want to connect with hao li?

Your wheel can be a valid zip and still break installers. I built a checker for that.

Your Package Has a License. Your Wheel Doesn't Say So.

Your Python Package Installed. Its CLI Crashed on --help.

Apple's Python Package Says 3.11. Its Wheel Requires 3.14.

Google Published a PyPI Release Without Its Git Tag

Git Can Track Two Files Your Mac Cannot Check Out

Your Python Tests Passed. Your Published Wheel Is Missing Files.

I stopped letting my agents guess ports

Your Subagents Are Re-Sending 51K Tokens Every Call. I Built a Tool to Prove It.

Your Claude Code Read Deny Rule Is a Screen Door — I Built a Tool That Proves It

Your CLAUDE.md Might Not Be Loading — I Built a Check-Up for That

Stop rewriting your whole plan: shard it instead

I track protein, not calories. So I built a dead-simple tracker for lifters.

Your README's demo link is dead and nobody told you.

I tag releases, then dread writing the notes. So I automated it.

The 60-second gate I run before any repo goes public.

Know what that file costs before you paste it into the chat.

Deployed, 500'd, forgot the env var again. I built a pre-deploy gate.

Your AI draft sounds like AI. I built a linter that scores how plain it is.

Your AI-generated website looks AI-generated. I built a detector that scores it.

Your MCP server's tools are confusing your agent. I built a linter that scores them.

My agent made 40 decisions today and wrote down zero. So I built dlog.

Stop debugging webhooks blind. I built a tap that shows you the raw bytes.

I gave my coding agent a sense of taste. It picks restaurants from my music.

Everyone builds agent memory for store-and-search. I built the other half: write and delete.

I gave Alexa a memory for my workouts — a stdlib-only MCP server with OAuth 2.1

My agent changed `toBe(10)` to `toBe(9)` and called it done. I built hooks to stop that

Two Claude Code sessions, one repo, one corrupted edit. A 60-line fix.

I bounce between Claude Code and Codex. I built the bridge I was missing.

Your MCP servers are eating your context window. I built a CLI to audit the tax

I gave my coding agent eyes on my real, logged-in browser (stdlib-only, local)