Seller infrastructure for humans and agents

Fix the seller problem in front of you.

Choose a focused kit for Amazon, Walmart, Shopify, or eBay work. Preview the output before buying; every result stays a draft for human review. Card bundles start at $3; agent API calls keep their exact micro-prices.

Choose a kit

Start small, choose a shelf, or launch the whole catalog.

$3.00

Listing Rescue Kit

Diagnose and repair one risky listing.

Includes: Marketplace Listing Compliance Scanner, Marketplace Claim Check, Suppressed Listing Appeal Draft, Marketplace Title Optimizer

$9.00

Shelf Kit

One shelf, every tool inside it.

Includes: Choose one complete shelf at checkout.

$29.00

Listing Launch Pack

Every tool, one full launch.

Includes: All 32 catalog tools, every shelf, one checkout.

Popular starting points

Shop by the work you need done.

Fix a risky or suppressed listing

Find claim, evidence, structure, and appeal issues before the next submission.

Browse Fix & Protect →

Improve copy and discoverability

Build or refine titles, keywords, item specifics, variations, and full listings.

Browse Copy & SEO →

Try the workflow free

Useful checks with no checkout.

Listing copy checker

Run a private, deterministic copy check and see the upgrade path only if you need it.

Check listing copy free

Keyword coverage snapshot

Compare supplied listing text and keywords without sending or publishing anything.

Check keyword coverage free

Full catalog

Five shelves, one clear problem per tool.

Human buyers purchase a kit; agents can call the same tools individually at the exact price shown.

Fix & Protect

6 focused tools

Listing Compliance Scanner

Flag restricted-claim phrasing in your copy with severity and safer rewrites.

Included in Listing Rescue Kit — $3.00

Agent/API $0.25

See product, sample, and buy options →

Suppressed Listing Appeal Draft

Turn a suppression notice plus your completed fixes into a structured appeal draft.

Included in Listing Rescue Kit — $3.00

Agent/API $0.50

See product, sample, and buy options →

Bulk CSV Listing Audit

Audit up to 100 CSV rows for structural, length, formula, and restricted-phrase risks.

Included in Shelf Kit — $9.00

Agent/API $1.00

See product, sample, and buy options →

Listing Audit

Find evidence gaps, risky claims, length issues, and missed optimization opportunities.

Included in Listing Launch Pack — $29.00

Agent/API $0.05

See product, sample, and buy options →

Catalog Readiness Check

Find missing data before preparing Amazon, Walmart, Shopify, and eBay files.

Included in Listing Launch Pack — $29.00

Agent/API $0.05

See product, sample, and buy options →

Copy & SEO

11 focused tools

Listing Title A/B Variant Generator

Compare three fact-grounded title strategies with coverage and rationale.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Bullet Point Rewriter

Clean up casing, spacing, and promo phrasing in your bullets and report keyword coverage.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Description HTML Formatter

Strip unknown markup and rebuild description copy with a conservative channel tag profile.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Amazon Backend Search-Term Optimizer

Pack seller-ranked terms into a deduplicated Amazon field capped at 250 UTF-8 bytes.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

eBay Item Specifics Optimizer

Score supplied category-aspect coverage and suggest values grounded in product facts.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Marketplace Variation Family Planner

Flag incomplete or duplicate child combinations in a supplied variation plan.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Omnichannel Launch Pack

Create Amazon, Walmart, Shopify, and eBay copy plus draft-safe upload files in one ZIP.

Included in Listing Launch Pack — $29.00

Agent/API $1.00

See product, sample, and buy options →

Price & Competitors

8 focused tools

Price Change Break-Even Analyzer

Compare candidate prices by contribution margin and the volume each one needs.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Competitor Change Monitor Spec

Compare two supplied listing snapshots and produce a factual change report plus watch plan.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Brand Name Risk Screener

Compare candidate names with supplied known names and flag wording risks before formal clearance.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Inventory Restock and Stockout Risk Planner

Rank your SKUs by stockout risk and get a suggested reorder quantity for each.

Included in Listing Launch Pack — $29.00

Agent/API $0.25

See product, sample, and buy options →

Amazon PPC Launch Kit

Generate a paused campaign plan, calculated starting bids, and an XLSX workbook.

Included in Listing Launch Pack — $29.00

Agent/API $0.50

See product, sample, and buy options →

Marketplace Ads Launch Kit

Plan paused Amazon, Walmart, Shopify acquisition, or eBay Promoted Listings campaigns.

Included in Listing Launch Pack — $29.00

Agent/API $0.50

See product, sample, and buy options →

Competitor Listing Extractor

Extract one public product page into an evidence-linked XLSX workbook.

Included in Listing Launch Pack — $29.00

Agent/API $0.25

See product, sample, and buy options →

Creative

5 focused tools

Image Alt Text + SEO Caption Pack

Create bounded alt text, captions, and filenames from confirmed gallery descriptions.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Holiday Copy Refresher

Build reversible seasonal listing and campaign copy with risk findings and a removal checklist.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Marketplace Image Brief

Create a channel-aware shot list, factual overlays, alt text, and XLSX production brief.

Included in Shelf Kit — $9.00

Agent/API $0.50

See product, sample, and buy options →

Customers

3 focused tools

Review Response Writer

Draft a bounded reply to a customer review and flag concerns needing specialist review.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

Marketplace Return Reason Analyzer

Rank the root causes behind your returns and get a fix list for the biggest one.

Included in Shelf Kit — $9.00

Agent/API $0.25

See product, sample, and buy options →

How it works

1. Choose.
Select a $3 rescue, one $9 shelf, or the complete $29 launch pack.

2. Pay securely.
Card checkout opens on Stripe; agent callers retain exact x402 micro-prices.

3. Use your credits.
Submit each tool's guided form and retrieve the private, review-ready deliverable.

Built from real marketplace operations

Friday Seller Tools turns generalized seller workflows from Breathe Naturally into reusable infrastructure. Customer credentials are never required, submitted job data expires by default after 24 hours, and every output is designed for human review before publishing or activation.