"SEO" matching MCP connectors:

Quote and track managed contextual backlink orders paid in USDC.

SEC EDGAR company briefs for agents: cited synthesis, XBRL metrics. x402/USDC, no account.

webbersites-x402-data-apiA

io.github.webberdesign

45 pay-per-call AI agent tools: scraping, SEO, crypto data, lint, agent memory. x402 USDC on Base.

Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.

28 pay-per-call web/data tools: RDAP, SSL, DNS, SEO, FX, crypto, more. 0.01 USDC each via x402.

SEC EDGAR crypto filing radar MCP with x402-paid Base USDC data URLs.