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The Eureka Database

Your workspace

A founder's home base — what to build, where the market is moving, and the ideas matched to you.

About the full database
8
Validated ideas
0
With live demos
13
Evidence sources

Where the market is

Validated ideas by category

Across the 8 ideas in the database

Real Estate
1
Marketing & Sales
1
E-commerce
1
Fintech
1
Healthcare
1
Education
1
Productivity
1
Developer Tools
1

Requests for Startups coverage

Mapped to YC RFS themes, by validated ideas we hold

No themed ideas published yet.

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A curated entry into the database.

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Real EstateFree

Tenant document screening for small landlords

Small landlords screen applicants by hand, squinting at pay stubs and bank PDFs for fraud. A focused tool that verifies income docs and flags forgeries in minutes.

51–2 weeks
Marketing & SalesFree

Cold email deliverability auditor for B2B founders

Founders blast cold email straight to spam without knowing why. A one-scan auditor that grades domain setup and rewrites the worst spam triggers.

31–2 weeks
E-commerce Locked

Returns to exchange automation for small Shopify stores

In the full database
Fintech Locked

Month-end close checklist app for small accounting teams

In the full database
Healthcare Locked

Session note compliance assistant for private-practice therapists

In the full database
Education Locked

Lesson plan generator for substitute teachers

In the full database

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Every validated idea

MCP server

Connect to Claude Code

Saved ideas

Your shortlist

Saved ideas