Know what readers search for, before you publish.
TomeScout reads Amazon's own search suggestions and turns them into KDP-safe keywords, keyword boxes and Amazon Ads lists — inside Claude, ChatGPT or any AI assistant that supports MCP. No spreadsheets, no browser extension.
Add to Claude — freeHow it works
Connector URL: https://tomescout.com/mcp
Ask in plain English. Get Amazon data back.
“Find keywords for my cozy mystery set in an antique shop, then fill my seven KDP keyword boxes.”
| Phrase shoppers type | Strength | Where it can go |
|---|---|---|
| cozy mystery books | 57 | Keyword boxes |
| cozy mystery series | 55 | Keyword boxes |
| cozy mystery series kindle unlimited | 60 | Avoid — programme name |
| cozy mystery antique shop | 47 | Keyword boxes |
| cozy mystery free kindle books | 62 | Avoid — price claim |
| cozy mystery novella | 35 | Keyword boxes |
Real output for “cozy mystery”, Amazon.com Kindle Store, 25 September 2026. Strength (0–100) measures how early and how high Amazon suggests a phrase — a relative demand signal, not a search-volume figure.
What it does
Keyword research
What readers type into Amazon's search box around your genre or topic, ranked by how early and how high Amazon suggests it.
KDP keyword boxes
Packs your best phrases into the seven 50-character boxes, drops words already in your title, removes anything KDP forbids.
Amazon Ads lists
Hundreds of real search phrases — including author and title targets that are fine for ads but not for KDP metadata.
Listing check
Checks title, subtitle, description, keyword boxes and categories against KDP's published guidelines — with the KDP help page for every issue.
Royalty calculator
eBook 70% vs 35% in 13 Amazon stores (2026 price bands, delivery cost, VAT), paperback printing cost and royalty, Kindle Unlimited earnings.
Sales from rank
Turns any book's Best Sellers Rank into a range of daily and monthly sales from two independent public models — never a fake-precise number.
Free web tools
KDP keyword tool
Amazon.com search suggestions for your genre, checked against KDP's keyword rules.
KDP royalty calculator 2026
With the new $2.99–$12.99 band for 70% royalties, 13 stores, paperbacks and Kindle Unlimited.
Sales rank calculator
Best Sellers Rank to a range of daily and monthly sales, from two public models.
Pricing
Free
Keyword research, keyword boxes, Amazon Ads lists, listing check, royalty calculator and sales-from-rank estimates. Fair-use limits apply while we are in beta.
Pro — in development
Competition scans with Best Sellers Rank and estimated sales, category finder and daily rank tracking for your books. Not available yet; watch the GitHub repository to hear when it opens.
Honest about the data
- Suggestions come live from Amazon.com's search box (Kindle Store and Books). Other marketplaces are not supported yet.
- Amazon publishes no search volumes for books. Strength is a ranking signal, and we say so.
- TomeScout is independent and not affiliated with Amazon. You stay responsible for your book's metadata.