Validates shipping rate calculation accuracy, delivery estimation, tax computation (sales tax/VAT), regional compliance, and tax transparency in checkout and order confirmation.
18
Total Checks
3
Delivery Formats
3
Categories
7
Versions
Quality hardening: all 18 checks upgraded with counting/enumeration, numeric thresholds, expanded pass criteria, code/path refs in remediations, skip criteria, cross-references. Anti-sycophancy guards added. Golden and bare-minimum fixtures created.
2026-04-02
Added chunked format for browser-based tools
2026-03-01
Improved Step 3: paste URL is now primary submission method
2026-03-01
Hardened curl commands with -sS -L flags for redirect following and error visibility. Added response validation guidance to Step 3.
2026-02-23
Fixed tax-computation checks_total (7→6), updated prompt_hash, URL canonicalization
2026-02-23
Fixed invalid prompt_hash — replaced placeholder/non-hex value with actual SHA-256 digest of prompt content
2026-02-23
Initial release
2026-02-21