KDP Starter
Start: Set up your KDP businessYour first hour automating a KDP business with Claude.
3tools: business folder, title check, what one copy earns
No internet Never logs in to KDP
Claude Code skills for KDP paperbacks
KDP skills from a working publisher.
Claude Code skills that check and prepare your KDP book on your own computer. Tested on real books, rules quoted from Amazon's own pages.
Built by Brian, a working KDP publisher. Every skill tested from zero on a clean PC.
You Check my listing before I paste it into KDP.
FAILtitle colon the title field holds a colon or semicolon (KDP adds its own colon between title and subtitle, so it would print twice): 'The Five-Pot Balcony: Grow Food in Small Spaces'
FAILKDP Book Title page title + ': ' + subtitle = 250 characters, over 200
FAILKDP Book Title page subtitle: prohibited sales-rank or promotion word 'Bestselling'
PASSKDP Book Description page description is 259 characters including HTML
FAILKDP Book Description page unsupported HTML (h1/h2/h3 or empty brackets): '<h1'
FAILKDP Book Description page description: website URL 'www.examplepress.com'
FAILKDP Book Description page description: time-sensitive or availability wording 'on sale'
FAILKDP Book Description page description: time-sensitive or availability wording 'limited time'
WARNKDP Book Description page (promotional) description uses 'free'; A+ bans it outright, a human decides for the description: ...d time. Visit www.examplepress.com for free printables, and please leave a 5-star r...
Run on the weak 'before' listing of our made-up demo book, The Five-Pot Balcony, on 1 Nov 2026. The fixed listing passes with no failures or warnings.
You Check this title and subtitle, and tell me what one copy earns at $9.98, 104 pages, black ink, 6 x 9.
# TITLE TTL SUB JOINED
1 The Five-Pot Balcony 20 95 117 OK
2 The Five-Pot Balcony: Grow Food in Small Spaces 47 201 250 COLON-IN-TITLE
GATE: FAIL
- #2: title + subtitle is 250 characters as Amazon joins them (title + ': ' + subtitle); KDP allows 200 or less
- #2: the title field contains a colon: 'The Five-Pot Balcony: Grow Food in Small Spaces'. Amazon adds its own colon before the subtitle; move everything after the search phrase into the subtitle field.
- #2: prohibited promotional or pricing term 'Bestselling'
list $9.98 | 104 pages | black ink | regular trim
print cost $2.30
royalty $2.69 per sale (50% rate, 27% of list)
breakeven $4.60 list
Run on our made-up demo book, The Five-Pot Balcony, on 1 Nov 2026. Output shown as the tool printed it.
Real output, not a mock-up: two skills run on our made-up demo book.
4KDP skills, each one a job KDP makes you do by hand
58reasons KDP gives for refusing a paperback, each one checked
0times any skill logs in to your KDP account
4 of 4skills tested from zero on a clean Windows PC
Works in Claude CodeWindows, tested on a clean PCMac install included, not yet testedYour files stay on your computer
All skillsFrom setting up to filling in KDP's form
Browse allFree
Fact-Check With Sources
Write: Make the book rightEvery checkable fact in your book, backed by a real source.
3citation styles: APA, MLA and Chicago
Never logs in to KDP
KDP Rejection Checker
Check: Before you uploadFind out why KDP might reject your files, before you upload.
58reasons KDP gives for refusing a paperback, each checked
No internet Never logs in to KDP
KDP Copy Panel
List: Fill in KDP's formEvery field of KDP's paperback form, checked and ready to paste.
1page with every KDP paperback field and a Copy button
No internet Never logs in to KDP
No skill matches that yet.
Where each skill fitsThe four jobs between a finished manuscript and a live book
- Step 1StartSet up your KDP business
- Step 2WriteMake the book right
- Step 3CheckBefore you upload
- Step 4ListFill in KDP's form
All access
See all accessEvery skill, now and later
All 3 paid skills, plus every paid skill added after you buy, with lifetime updates. The price rises $10 each time a paid skill is added.
$39Pay once. Tax included.
How it works
- Buy, get it by emailStripe's checkout, tax included. A download link arrives for each skill.
- Hand Claude the zipAsk: "Unzip this and run its install." The setup check says PASS when it's ready.
- Ask in plain words"Check my KDP files: interior is book.pdf, cover is cover.pdf."
- Unzip the downloadOne folder per skill.
- Run the installWindows:
.\install.ps1in Terminal. Mac:sh install.sh. - Wait for PASSThen copy the folder into Claude Code's skills folder.
Latest updates
- Nov 1, 2026KDP Starter v1.0.0
Tested from zero on a clean Windows PC. 20 files, 22 KB. - Nov 1, 2026Fact-Check With Sources v1.0.0
Tested from zero on a clean Windows PC. 12 files, 29 KB. - Nov 1, 2026KDP Rejection Checker v1.0.3
Tested from zero on a clean Windows PC. 32 files, 94 KB. - Nov 1, 2026KDP Copy Panel v1.0.0
Tested from zero on a clean Windows PC. 19 files, 40 KB.
Weekly, free
One KDP fix, every week.
A short email with one problem and how to fix it by hand, plus the free Pre-Flight checker and the KDP Starter when you sign up.
Get the free toolsWhat an issue looks like
The colon KDP prints twice
Amazon joins your title and subtitle with its own colon. Type one inside the title field and the product page shows two. Move everything after the search phrase into the subtitle field.
Title: The Five-Pot Balcony: Grow Food...Title: The Five-Pot Balcony
AP
Who makes these
Automated PublishersBuilt and tested by Brian, a working KDP publisher. Every rule in these tools came from a real mistake.
- 4 skills, one maker
- Rules quoted from Amazon's own help pages
- Every version tested from zero on a clean PC