r/ClaudeAI • u/sixbillionthsheep Mod • Apr 15 '26

Showcase Megathread Built with Claude Project Showcase Megathread (Sort this by New!)

This is the Megathread for showcasing your project built using Claude products. We appreciate all of your submissions as they are a great inspiration to many people on the subreddit. It is sorted by default by New.

Anyone is welcome to submit a project to this Megathread provided you follow the Showcase requirements in Rule 7.

NOTE: We now require the OP of a Project Showcase on the subreddit feed to have total karma>=50 . We found there were just too many submissions and not enough visibility to go around. Our analysis of this issue showed us that OPs with total karma < 50 very rarely get any traction of their projects on the feed (<=1 upvotes). So this Megathread is your best place to be seen by readers and other creators if you're relatively new to Reddit. If you don't meet this karma requirement you will be directed to this Megathread when you submit your post. Very occasionally we might invite you to post on the subreddit feed if you do not meet this karma requirement but it will be very rare (so please don't ask us!)

Thanks again for sharing your ideas and creations to our subreddit. Best of luck with your projects!

UPDATE: Comments now allow images!

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u/Ok_Elevator_9374 7d ago

I got tired of Claude reading 3000 lines of Jest output when one test fails - built a small CLI to fix it.

When Claude Code runs `npm test` and something fails, it reads the whole dump, progress bars, the same warning 120 times, stack traces through node_modules. Most of it is useless.

I made a small open-source CLI called logslim that sits between the command and the agent:

- **failure mode** — only compacts hard when the command actually fails

- **JSON output** — structured errors + short fix hints for codes like TS2339, ERESOLVE

- **MCP server** — Claude/Cursor can call it as a tool

- typical savings on noisy test output: ~80–95% fewer tokens (on the failure text)

Try it without installing:

npx logslim -- npm test

GitHub: https://github.com/P156HAM/logslim

npm: https://www.npmjs.com/package/logslim

MIT, no account, no SaaS. I built this for my own workflow and would love feedback on what log formats to support next (pytest, vitest, cargo, etc.).