Mmcp.market

Head to head

x402 Seller vs Json Schema Validator

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

x402 Sellerio.github.entreprisedaney33-rgb/x402-seller-mcp
B
No reviews yet

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

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Json Schema Validatorio.github.ryuamarines/json-schema-validator
C
No reviews yet

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours x402 Seller (80/100 against 67). Json Schema Validator is hosted and callable through the gateway; x402 Seller runs on your own machine. x402 Seller has noticeably more public adoption.

 x402 SellerJson Schema Validator
User ratingNo reviews yetNo reviews yet
Safety gradeB80/100C67/100
AdoptionGrowingNew
GitHub stars0
Downloads / week32
Runs whereYour machine (local)Hosted (remote)
Gateway-readyNoYes
Tools1
Write actions
Price per callFreeFree
LicenceMIT
Last release2026-09-05
CategoryFinanceFinance

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