Business idea validator – what will kill it, not just what sounds good
No-login idea validator that calculates real AI token costs at scale.

$9 idea validation when Google Trends and Exploding Topics already do this free.
Early-stage founders validating business ideas before building
Exploding Topics · Trends.vc · GummySearch
No-login idea validator that calculates real AI token costs at scale.
Type a problem and the site pulls live discussion snippets (with relevance signals) from places like Reddit so you can see how people actually phrase complaints. The UI makes scanning quick — cards show context, subreddit and comment counts — but it's essentially a focused search + surfacing layer; interesting and immediately useful, but not a deep analytics play yet (no clustering, source transparency, or deduping shown).
Phase-gated idea validation with adversarial personas, but Prolog overhead may limit adoption.
Converted SWIFT's prose rules to executable Python when MyStandards is clunky.
MCP gates force LLM self-correction on business rules without custom retry logic.
Yet another startup idea generator scraping Hacker News discussions for AI scoring.