"Connecting OpenAI Codex with antigravity concepts or technology" matching MCP connectors:

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

ManaBuy MCP Server is a stdio-based Model Context Protocol server for integrating ManaBuy product and order APIs with MCP clients. It exposes tools for product search, product detail retrieval, SKU and order-field inspection, order quotation, authenticated order creation, order status lookup, and order detail retrieval, with explicit confirmation required before any order-creation workflow.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Viridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.

Read subscriptions, customers, charges, orders; skip charges, cancel or activate subscriptions.

Search Braintree transactions, customers and payment methods, and refund or void charges.

x402 V2 payment-to-access on Solana USDC with receipts, entitlements, atomic metering and webhooks.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Read Orb customers, subscriptions, invoices, usage and costs; create or update customers.

Discover Algerian COD stores on Mystoq, or manage your own: products, prices, shipping/fraud tools.

Send real faxes to EU institutions: pay per fax via checkout link or prepaid API key.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.

Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.

Agent-native double-entry accounting ledger with x402 micropayments

Unified AI API marketplace - LLMs, image, video, audio, MCP tools with x402 payments.

Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.

Reserve a paid AI consultation with Akshay Shetty; returns a Stripe payment link.

Print and mail physical letters and postcards to US postal addresses, plus address verification. Upload PDF/HTML/Markdown/text/DOCX/image documents, get a quote, and pay per call with x402 USDC on Base mainnet or credit card. Supports certified/registered mail with proof of delivery and mail-merge templates.

EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.

Multi-seller shopping for AI agents. Settle via Stripe MPP or x402 USDC on Base. Hosted.