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Get Started Free →Deep Codex-native Amazon FBA product validation using LaunchFast MCP and the LegacyX criteria. Use when the user wants a serious viability review for a keyword, niche, or adjacent niche expansion.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-07 | ✗→✓ | ▲ Improved | -38% | 0% |
| case-08 | ✗→✓ | ▲ Improved | -26% | 0% |
| case-11 | ✗→✓ | ▲ Improved | -26% | 0% |
| case-13 | ✗→✓ | ▲ Improved | -36% | 0% |
| case-14 | ✗→✓ | ▲ Improved | 18% | 0% |
This skill is the deeper, criteria-driven version of launchfast-product-research.
Evaluate every market against these baselines:
| Criteria | Threshold | |---|---| | Total niche revenue | > $200,000/month | | Average price | >= $25, ideally >= $40 | | Average reviews | <= 500 | | Revenue per seller | >= $5,000/month | | Top-seller dominance | top 2-3 sellers < 50% of revenue | | Search volume | must exist | | Estimated margin | >= 30% before ad costs |
Large-market exception:
Run:
textresearch_products(keyword="<keyword>", focus="balanced", product_limit=20)
Extract:
Run:
textresearch_products(keyword="<keyword>", focus="financial", product_limit=20)
Look for:
Run:
textresearch_products(keyword="<keyword>", focus="titles", product_limit=10)
Look for:
Pick 2-3 relevant ASINs and run:
textamazon_keyword_research(asins=["ASIN1", "ASIN2", "ASIN3"], limit=20)
Evaluate:
Present a conservative estimate:
textSelling Price - Amazon Fees (~15%) - Manufacturing - Shipping = Estimated Profit per Unit = Estimated Margin %
If manufacturing cost is unknown, say so and state the assumption used.
Use a scorecard first:
markdown## Market Scorecard: [keyword] | Criteria | Threshold | Actual | Status | |---|---|---|---|
Then include:
Use adjacent-niche exploration only when it is helpful:
research_products on the most promising adjacent keywordsOther measured skills in the registry, with their headline benchmark lift.