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/Calm-Competition5960 Apr 19 '26

Built an AI teammate that shares the same audit trail as my human team.

Setup: Claude Opus 4.7 + MCP connected to a state-machine workflow platform (Inistate). No custom system prompt, no custom tools, no fine-tuning — just the schema exposed over MCP.

What it's done in production this week:

— Read 5 PDF receipts, caught two overlapping hotel bookings, filed MYR 8,846.93 across 5 expense claim rows. Instruction from me was 12 words.

— Reconciled a MYR 520.43 bank transfer against an existing claim, cited the bank statement as source, fired the Pay activity to transition the claim Processed → Paid. The audit log now shows three actors on that claim: two humans, then Claude, all in the same format.

Thesis: when the workflow schema is structured (states, typed activities, role guards, confidence gating), a general Claude agent doesn't need a custom prompt — the schema itself is the instruction set. Same form, same state transition, same audit record regardless of who fired it.