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Skeptral
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No vibes. No flattery.

Kill the wrong idea
before you build it.

Rival frontier models from different labs each judge your idea and argue it out, then hand back a 0 to 100 score and a Scale / Pivot / Kill verdict, free. You see exactly where they disagree, and the one flaw most likely to kill it.

The verdict is free No signup to see it Cross-examined, not flattered
Example verdict
Kill

“Turn your Notion docs into a daily AI podcast”

0/ 100
Kill shot

The want never turns into “I’d pay.” In the threads it reads as a passing “neat,” never a need.

An example Kill, not a live reading

Today’s verdict · a fresh pick from the judged pool each day

Ticket Void

37/100Kill
Kill shot

The mechanism is structurally broken: FOIA responses routinely take longer than the ~30-day appeal window, so the calibration log arrives after the ticket plus late fees are due, leaving angry users issuing mass chargebacks. DoNotPay already tried automated local-ticket appeals and pivoted away because the economics and reliability don't work. The legal response time for FOIA requests from municipal governments is vastly longer than the 30-day window to pay or appeal the ticket, meaning users will miss their deadline and incur massive late fees waiting for your app.

Stands if

Of 10 free manual appeals filed this month, at least 3 tickets get dismissed within the appeal window via the FOIA-calibration angle, proving cities respond fast enough for the play to land. 10 Uber drivers with current tickets pay you $15 upfront to manually file a FOIA request on their behalf, knowing the city might delay past the ticket due date.

See the full teardown Yesterday’s →

One idea, killed or scaled, in your inbox once the daily email switches on. No spam, and you can opt out any time.

The problem

Most ideas die one of two deaths.

The slow death

You build for six months on pure conviction. The market never wanted it. You learn the truth a year and a burnt runway too late.

The fast death

You ask a chatbot. It hands back a confident, agreeable yes that was never checked against a single real person. You build the wrong thing, faster.

Skeptral is the third path: an honest verdict, backed by the actual signals behind it, before you write a line of code.

How it works

From noise to a build-ready plan.

Three steps, under a minute. No dashboards to wire, no prompts to write.

01

Listen to the whole developer web.

We continuously read the developer web to surface the recurring complaints and pivot-hell moments people keep hitting.

Live sources
Illustrative
Developer forums
42k posts/hr
Community
18k posts/hr
Code activity
2k issues/hr
Social
89k posts/hr
02

Score it against a hard rubric.

Raw signal is useless on its own. Each problem is graded on a 0 to 100 rubric across eight weighted dimensions, led by demand evidence, pain severity, distribution and solo fit.

Opportunity
SOC2 for Next.js
94
Market opportunityHigh
Build effortMedium
Competitive moatStrong
03

Walk away with a plan, not a PDF.

For the ideas that survive, you get the actual deliverables, a technical spec, a launch kit, and a go-to-market outline, ready to hand to yourself on day one.

Technical spec
Scope, stack, architecture map
Launch kit
Landing copy, Reddit post, cold email
Go-to-market outline
First channels and first dollar
25

Live sources

Public communities, code activity, launch boards and more.

100

Point viability score

Eight weighted dimensions, scored on evidence.

2

Models cross-examine

Every verdict, argued both ways.

<60s

To a verdict

Paste an idea, get the panel’s call in under a minute.

Pricing

Simple, transparent pricing.

The verdict is always free. You pay to generate new ideas, not to read the ones we've already killed.

Hobby

€0/mo

Kick the tyres. Browse every verdict for free.

  • Generation runs: none (browse only)
  • 5 AI validations a day, free
  • Browse the judged pool, free
  • Spec & blueprint export
Start for Free
Recommended

Pro

€49/mo

Insurance against month nine.

  • 10 generation runs per month
  • Validation uncapped on paid plans
  • Idea Radar: watch ideas, get alerted when the verdict moves
  • Full dossier unlocked on every idea
  • Priority email support
Upgrade to Pro

Venture

€199/mo

For agencies and venture studios.

  • 100 generation runs per month
  • Overage metering coming soon, heavy use won't be blocked
  • Everything in Pro
Get Venture

Just validating one idea? The dossier on your pitch is €29, one-time.

The verdict stays free. Your €29 counts toward Pro — reply to your receipt within 30 days of upgrading and it comes off your first month.

Get the free verdict

No fake discounts. No countdown timers. The price is the price.

Questions

Frequently asked questions

Yes. Every dossier leads with the kill-shot, the single strongest reason this fails, sourced. We'd rather lose you for 60 seconds than waste your year.

See a real verdict first.

The score, the call and the sourced kill-shot are free. Read one before you trust us with a build month.

See a real verdict
The verdict is free No signup to see the call Your data stays yours