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We built Claude Code with Claude Code!

This is super cool and I hope y'all highlight it prominently!

Best demo - it's Claude Code all the way down. Claude Code === Claude Code

hi! I've been working on demos where I let Claude Code run for hours at a time on a sandboxed project: https://x.com/ErikSchluntz/status/1894104265817284770

TLDR: asking claude to speed up my code once 1.8x'd perf, but putting it in a loop telling it to make it faster for 2 hours led to a 500x speedup!

I assume you had a comprehensive test suite?

Lol, good one.

YES!! I need infinite credits for infinite Claude Code. Will try it to get Claude to do all my work.

dunno who else to tell this but my pet request for the next version of Claude is to have it say "ensure" and "You're absolutely right!" less often

>Do you have examples of cool applications or demos that the HN crowd should check out?

Not OP obviously, but I've built so many applications with Claude, here are just a few:

[1]

Mockup of Utopian infrastructure support button (this is just a mockup, the buttons don't do anything): https://claude.site/artifacts/435290a1-20c4-4b9b-8731-67f5d8...

[2]

[3]

[4]

[5]

Secure encryption and decryption with AES-256-GCM with password-based key derivation:

(Try to decrypt this message

kFIxcBVRi2bZVGcIiQ7nnS0qZ+Y+1tlZkEtAD88MuNsfCUZcr6ujaz/mtbEDsLOquP4MZiKcGeTpBbXnwvSLLbA/a2uq4QgM7oJfnNakMmGAAtJ1UX8qzA5qMh7b5gze32S5c8OpsJ8=

With the password "Hello Hacker News!!" (without quotation marks))

[6]

[7]

[8]

Household security training for classified household members (includes self-assessment and certificate): https://claude.site/artifacts/7754dae3-a095-4f02-b4d3-26f1a5...

[9]

[10]

Nuclear non-proliferation "big brother" agent technical demonstration: https://claude.site/artifacts/555d57ba-6b0e-41a1-ad26-7c90ca...

Dating stuff:

[11]

Dating help: Interest Level Assessment Game (is she interested?) https://claude.site/artifacts/523c935c-274e-4efa-8480-1e09e9...

[12]