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Generate engineering-ready product specifications from any concept.
Input:
Output:
Spec screenshot
Updated: May 10, 2026 Free + from starting at $23/month

Description

Spec is an adaptive AI Product Manager Agent designed to streamline and automate product discovery processes. This tool is targeted towards founders and indie hackers and has the capability to adapt its functionality based on the specific type of product, be it SaaS, hardware, fintech, healthtech or any from the 20+ categories.

The tool operates on a 10-step discovery pipeline which includes strategy planning, Jobs To Be Done (JTBD) framing, How Might We (HMW), Lean Canvas creation, market sizing, competitor analysis, persona simulation, assumption mapping, canvas revision, and a Shape Up Product Requirements Document (PRD).

Specs unique approach allows it to devise its own research strategy, thereby setting research depth, classifying the product and even activating domain-specific modules automatically.

The outcome of the Spec AI agent is a structured Markdown file that serves as a complete and comprehensive PRD, formatted and ready for AI coding tools; this file houses data models, API specifications, user stories, and explicit scope boundaries.

Spec's functionality also encompasses a key human-in-the-loop feature, giving users control over direction at crucial steps. This AI tool uses Firecrawl for deep scraping of competitor websites, and Tavily for market data search.

An additional functionality offered by Spec is its capability to simulate distinct user personas via Van Westendorp Price Sensitivity Meter analysis, thereby surfacing willingness-to-pay ranges and pain points without needing to conduct real user interviews.

Key Features

Automated 10-step discovery pipeline

Adaptation to product type

Full-structured markdown export

User approvals at critical steps

Deep competitor website scraping

Pricing Plans

Model
freemium
Packages
1 Package
Price Start From
starting at $23/month
Payment Model
monthly

Releases

Initial release of Spec.

Reviews

Pros & Cons

Pros

Automated 10-step discovery pipeline

Product type adaptation

Structured markdown export

Cons

No support for multiple languages

No dedicated mobile application

Relies on Firecrawl and Tavily

Q&A

New Released

New Released