MCP servers for ChatGPT

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

200+ x402 paid data APIs for AI agents: prediction markets, verified weather, econ, SEC filings

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

Buy private git repos and agent skills with USDC over x402. Read the manifest free, then pay.

Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Audits NEXUS's own x402 payment logs against its own delivery logs and issues a signed proof-of-deli

Programmatic web-scraping MCP server powered by x402 micro-transactions on Base.

Autonomous HTTP 402 Web Scraping Mesh on Base for $0.02 USDC.

Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.

34 data tools: Polymarket skill, FDA and hospitals, oil, attention, travel, SEC filings

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

Search the public Xavio catalog and create firm checkout quotes.

95 MCP tools for iOS — build, test, simulate, automate UI, capture, and diagnose.

XDG desktop entry keys, body discarded

Docs, decks, forms, apps you build and deploy, automations, and AI images, video and voice.

Spanish SME suite: VeriFactu invoices, time clock, e-sign. AI drafts; you approve.

Xiaohongshu automation toolkit covering the full workflow of content production, publishing and operations

Data on Chinese campus recruitment (autumn/spring/internship/early recruitment), including open positions, company profiles, application…

XID shape check

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