Laying out the streets…STEP 1 OF 3

Idea Pre-Mortem · House #26,278

an AI agent researches the web for evidence, attacks your assumptions, and writes a report on how it will fail — plus how to revive it.

In the Validating an idea neighborhood (Startup). In town since 30 Sept 2026.

Nobody has claimed this house yet. Tablif records every new product and gives it a house; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Idea Pre-Mortem's site

Idea Pre-Mortem describes itself as: “Idea Pre-Mortem”

What it is

Calls itself “AI agent”.

  • Calls itself: AI agent
“…an AI agent researches the web for evidence, attacks your assumptions, and writes a report on how it will fail”

Where it puts itself

Its one line of difference: “An AI agent searches Reddit, Product Hunt & the web for real evidence — not just its own guesses”

“An AI agent searches Reddit, Product Hunt & the web for real evidence — not just its own guesses”

What it costs

No free plan. No monthly plan.

  • Monthly: no
  • Free plan: no
“Credits balance”
“1 credit is consumed per run.”

Who it sells to

Sells to businesses and consumers. Built for solo users. Made for founders, indie hackers and product managers.

  • Sells to: businesses and consumers
  • Company size: solo / indie
  • Made for: founders · indie hackers · product managers
“Pre-Mortem is for founders, indie hackers, product managers, researchers, and anyone deciding whether a SaaS, AI product, mobile app, or new business idea deserves more time and money.”

How it runs

A web app. Hosted in the cloud. No API. AI is the core of the product. You can bring your own API key. Built with Google Analytics.

  • Kind: web
  • Runs where: cloud / hosted
  • API: no
  • AI role: core to the product
  • Bring your own key: yes
  • Analytics: Google Analytics
“Pre-Mortem is for founders, indie hackers, product managers, researchers, and anyone deciding whether a SaaS, AI product, mobile app, or new business idea deserves more time and money.”
“Saved to the current browser session's server storage and only visible to you.”

What it works with

Names Anthropic, Creem and 5 more on its pages.

  • Names: Anthropic · Creem · OpenAI · +4
“Provider anthropic (native protocol) openai-compatible (gateway compatible)”
“Purchases are processed securely by Creem.”

What it offers as proof

Live, no waitlist. Instant signup. Publishes docs.

  • Instant signup: yes
“Sign in”
“How to validate a startup idea before you build it -> https://idea-premortem.xyz/guides/how-to-validate-a-startup-idea”

Sources

Tablif read these pages, last on 30 Sept 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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