Deterministic, agent-ready ecommerce catalog intelligence for Google Merchant Center, shopping feeds, marketplaces, and automated commerce workflows.
See a free remediation result → See audit sample See GTIN sample
PAL is published in the Official MCP Registry and exposes a production Streamable HTTP server.
Remote MCP: https://pal-nano-catalog-audit.onrender.com/mcp
The MCP server exposes three free discovery/demo tools and seven x402-paid commerce tools. Paid MCP calls return the live Base-USDC payment requirement before any paid result is delivered.
Process up to 500 product records in one paid call and receive a prioritized Merchant Center/product-feed remediation plan with concrete corrective actions.
POST /v1/usdc/catalog-remediation-batch
Turn 1-100 product records into a prioritized Merchant Center and product-feed remediation plan with concrete corrective actions and affected product IDs.
POST /v1/usdc/catalog-remediation
Check duplicate IDs, GTIN format and checksum, URL shape, price formatting, availability, and brand/MPN consistency.
POST /v1/usdc/catalog-audit
Validate one or up to 100 GTIN-8, UPC/GTIN-12, GTIN-13, and GTIN-14 identifiers including check digits.
POST /v1/usdc/gtin-check
Compare two feed snapshots and return added, removed, and changed commerce fields.
POST /v1/usdc/feed-diff
Statically validate x402 v2 payment declarations for Base/USDC readiness without paying the referenced resource.
POST /v1/usdc/x402-validate
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x402 manifest · agent card · x402 OpenAPI · marketplace OpenAPI · llms.txt · agent skill · Official MCP Registry
Payment: x402 v2 exact · USDC on Base mainnet · no account or API key required for direct paid calls.