hao li - DEV Community

hao li

Oct 19

Your Claude Code skills are being silently demoted, and nothing tells you.

#showdev #python #opensource

3 min read

hao li

Oct 19

Your tag says v1.2.3. But is that really what you shipped?

#showdev #python #opensource

2 min read

hao li

Oct 19

Your Semantic Cache Has a Health Problem. Nothing Checks It.

#showdev #python #opensource

1

3 min read

hao li

Oct 19

worktree-janitor: clean up the git worktrees your dead agent sessions left behind

#git #python #agents #cli

2 min read

hao li

Oct 19

I pasted the same MCP server into 4 config files. Then I wrote a tool to clean up the mess.

#showdev #python #opensource

3 min read

hao li

Oct 17

Your Claude Code routine left 618 sessions behind. Mine deletes them while I sleep.

#showdev #python #opensource

3 min read

hao li

Oct 17

session-archive: back up Claude Code session logs before the 30-day auto-delete

#claudecode #devtools #python #ai

1 min read

hao li

Oct 17

canarygate: Catch the Gate That Quietly Stopped Discriminating

#claudecode #security #python #ai

3 min read

hao li

Oct 17

Your AI Shipped the App. Did It Leave the Keys in the Repo?

#showdev #python #opensource

1

3 min read

hao li

Oct 17

Stop finding out you're rate-limited mid-task. Check the headroom first.

#showdev #python #opensource

1

3 min read

hao li

Oct 15

css-slop-detector v0.2: from detecting AI slop to fixing it with one command

#css #python #ai #opensource

2 min read

hao li

Oct 15

Your MCP servers run real code. When was the last time you checked it for CVEs?

#showdev #python #opensource

1

3 min read

hao li

Oct 15

Stop Your Agent Fleet From Burning the Token Budget: subagent-budget-team

#showdev #python #opensource

1

2 min read

hao li

Oct 15

I Built a Bilingual "Mini-Uber" for My Dad's Escalade Business

#showdev #python #reactnative #fastapi

1

6 min read

hao li

Oct 13

I Bridged My Real Logged-In Browser to Chrome's New WebMCP API

#ai #javascript #python #opensource

2 min read

hao li

Oct 13

SkillJacking Is Real. I Built the Pinning Layer Skills Were Missing.

#python #ai #security #opensource

2 min read

hao li

Oct 13

Your .gitignore Won't Save Your Docker Image

#python #docker #security #devops

2 min read

hao li

Oct 13

1 in 5 AI-Suggested Packages Doesn't Exist — I Built a Scanner for That

#python #security #ai #supplychain

2 min read

hao li

Oct 12

Your Claude Code skills are being silently demoted. I built a CLI to catch it

#claudecode #cli #python #ai

1

3 min read

hao li

Oct 12

dlog v0.2: two gates for the decision log — one I can enforce, one I can't

#showdev #python #ai #agents

1

2 min read

hao li

Oct 12

pin-deep: you pinned your Actions, but your Actions didn't pin theirs

#showdev #python #githubactions #security

2 min read

hao li

Oct 11

rules-doctor 0.3: your CLAUDE.md might be lying to your agent

#claudecode #ai #promptengineering #python

1

2 min read

hao li

Oct 11

subagent-tax 0.3: the preamble re-enters every turn — and every subagent spawn re-pays it

#claudecode #ai #python #productivity

2 min read

hao li

Oct 11

readmeta v0.2: --fix rewrites your broken PyPI README links at build time

#python #pypi #packaging #opensource

2 min read

hao li

Oct 11

agent-guard 0.7: the legit-test-change escape hatch

#ai #python #claudecode #cli

2 min read

hao li

Oct 11

task-progress-mod v0.2: your agent's progress bar now summarizes tool output

#claudecode #ai #productivity #javascript

2 min read

hao li

Oct 11

Your Claude Code Plugin Passed Validation. That Proves Nothing.

#ai #python #cli #opensource

3 min read

hao li

Oct 11

deny-probe v0.4.0: Your Deny Rules Can't See the Payload — So I Test What It Does When It Wakes Up

#claudecode #security #python #ai

3 min read

hao li

Oct 11

session-handover v0.5: what survives compaction in 8 agent harnesses

#claudecode #codex #devtools #ai

2 min read

hao li

Oct 11

memgovern 0.5.0: a `memgovern audit` CLI that shows who your agent's memory trusts

#python #ai #agents #opensource

2 min read

hao li

Oct 11

mod-audit v0.2: the update is the attack — delta risk reports for Claude Code Mods

#security #python #opensource #ai

1

2 min read

hao li

Oct 11

mcp-tax 0.3: your MCP schemas are billed every turn, not once per session

#mcp #claudecode #python #ai

2 min read

hao li

Oct 11

mcp-lint v0.2: catching the near-duplicate tool names that make your agent confidently wrong

#python #mcp #ai #opensource

1

2 min read

hao li

Oct 11

My Subagents Were Eating 48% of My Tokens. So I Gave Them Hard Budget Caps — Enforced by Hooks, Not Dashboards

#ai #agents #python #productivity

1

3 min read

hao li

Oct 11

Your Skill's Frontmatter Has a Typo. Nothing Will Ever Tell You

#ai #python #cli #opensource

3 min read

hao li

Oct 11

Your MCP Config Is the Actual Security Boundary. Nobody Audits It

#security #python #ai #opensource

1

3 min read

hao li

Oct 11

I Built an Offline Supply-Chain Auditor for Claude Code Mods (stdlib-only Python)

#security #python #opensource #ai

3 min read

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

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

1

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

1

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

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

1

2

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

6

2 min read

2 Week Community Wellness Streak

1 Week Community Wellness Streak

Hacktoberfest 2026 Challenge Completion

Writing Debut

Want to connect with hao li?