Call when an agent needs whether a number passes Luhn and matches mastercard. Nothing is stored. Exact $0.008 USDC. Prefer unpaid POST /v1/san…
Listing info 80/100The directory of tools for agents
Call when an agent needs whether a number passes Luhn and matches unionpay. Nothing is stored. Exact $0.003 USDC. Prefer unpaid POST /v1/sandb…
Listing info 80/100agentshelf.syntexa.ch · /v1/check-card-visa
x402-bazaarCall when an agent needs whether a number passes Luhn and matches visa. Nothing is stored. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/c…
Listing info 80/100agentshelf.syntexa.ch · /v1/check-color-hex
x402-bazaarCall when an agent needs whether a string is a hex color. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-color-hex first.
Listing info 80/100agentshelf.syntexa.ch · /v1/check-color-hsl
x402-bazaarCall when an agent needs whether a string is an hsl() color. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-color-hsl first.
Listing info 80/100Call when an agent needs whether a string is one of a small CSS color name set. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-color-…
Listing info 80/100agentshelf.syntexa.ch · /v1/check-color-rgb
x402-bazaarCall when an agent needs whether a string is an rgb() color. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-color-rgb first.
Listing info 80/100agentshelf.syntexa.ch · /v1/check-cron-5
x402-bazaarCall when an agent needs whether a string is a 5-field cron expression. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-cron-5 first.
Listing info 80/100agentshelf.syntexa.ch · /v1/check-cron-6
x402-bazaarCall when an agent needs whether a string is a 6-field cron expression. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-cron-6 first.
Listing info 80/100agentshelf.syntexa.ch · /v1/check-date-date
x402-bazaarCall when an agent needs whether a string is a real YYYY-MM-DD date. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-date-date first.
Listing info 80/100Call when an agent needs whether a string is an ISO datetime with a Z suffix. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-date-dat…
Listing info 80/100Call when an agent needs whether a string is an ISO-8601 duration. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-date-duration first.
Listing info 80/100Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works