"Exploring OpenAPI/Swagger Specifications" matching MCP servers:

A template for building MCP servers with a built-in paywall gate that offers free local execution and premium server-side execution via Stripe and x402 payment lanes.

Enables AI assistants to interact with Investec banking accounts, transactions, payments, and programmable cards through natural language.

Model Context Protocol (MCP) server for Mexican Electronic Invoicing (CFDI 4.0, Complemento de Pagos 2.0). Provide tools to validate, generate, and explore API specifications for SAT/PAC interoperability.

Model Context Protocol (MCP) server for Italian Electronic Invoicing (FatturaPA / SDI). Provide tools to validate, generate, and explore API specifications for Sistema di Interscambio (SDI) interoperability.

Model Context Protocol (MCP) server for Polish Electronic Invoicing (KSeF / FA(2)). Provides tools to validate, generate, and explore API specifications for KSeF interoperability.

Model Context Protocol (MCP) server for Singapore Electronic Invoicing (InvoiceNow / PINT-SG / Peppol 5-Corner Model). Provides tools to validate, generate, and explore API specifications for IRAS / Peppol interoperability.

Enables AI agents to search fireworks by technical specifications and budget, check stock availability, locate Nova Poshta branches and parcel lockers, and place orders with secure Monobank online checkout.

Model Context Protocol (MCP) server for United Arab Emirates Electronic Invoicing (PINT AE / Peppol 5-Corner Model). Provides tools to validate, generate, and explore API specifications for FTA / Peppol interoperability.

Model Context Protocol (MCP) server for French Electronic Invoicing (NF XP Z12-013). Provide tools to validate, generate, and explore API specifications for PDP/OD interoperability.

This Model Context Protocol server exposes the Wafeq Public API — all 251 endpoints, generated straight from the OpenAPI spec into MCP tools, plus two hand-written ones. Every tool carries a safety category (🟢 read-only / 🟡 write / 🟠 state change / 🔴 irreversible or destructive) so your assistant knows what an action does before it calls it — including the difference between saving an invoice

Enables converting an OpenAPI 3.x spec into a paid MCP server that handles HTTP 402 payment challenges, x402 settlement, and upstream API calls.

Provides AI models with authoritative knowledge and code generation for Kapital Bank's payment gateway, including endpoint specifications, payment flows, code samples in multiple languages, error code lookup, and sandbox test credentials. It enables integration without requiring merchant credentials or live bank execution.