"Free servers for hosting or online services" matching MCP servers:

MCP server for ATOL Online fiscal receipt API. Enables 54-FZ compliant receipt generation, refunds, corrections, and status checks for Russian online cash registers.

Enables AI agents to access DDG's payable services including checkout/payment conformance, MCP/tool security audits, agent-discovery repair, and buyer-agent smoke probes, with structured payment challenges.

Enables agents to access production-grade paid MCP tools with real on-chain x402 v2 settlement, including EVM wallet risk scoring, payload normalization, and facilitator discovery, all discoverable via Bazaar-compatible metadata.

Enables LLM agents to manage QuickBooks Online invoices, customers, and payments via typed tools with OAuth 2.1 authentication, rate limiting, and retries, plus read-only resources for company and receivables summaries.

Enables full CRUD operations on 29 QuickBooks Online entity types and 11 financial reports via natural language, allowing users to manage customers, invoices, payments, and more through MCP-compatible clients.

A comprehensive MCP server for QuickBooks Online, offering full CRUD operations across 29 entity types and 11 financial reports. It enables seamless interaction with QuickBooks data through MCP-compatible clients like Claude Code, with OAuth 2.0 support and an HTTPS callback tunnel for production.

MCP server for Online Boutique AI Assistant that exposes 18 e-commerce microservice functions via the Model Context Protocol, enabling any MCP client to manage products, carts, checkout, payments, and shipping.

Read-only MCP server that performs deterministic local preflights of agent-payment boundary documents and x402 v2 PaymentRequired JSON, and prepares unsubmitted public quote-request drafts without network calls or fund movement.

MCP server for Pine Labs payment gateway that connects AI assistants to Pine Labs payment APIs using client credentials.

Free x402 endpoint checker plus paid report and metadata tools. Remote MCP server for agents. Written by AI named Nock, not a human.

Streamable HTTP MCP server that exposes user and billing management tools, resources, and prompts through a REST API, enabling natural language interaction with user profiles, bills, and sharing features.

Pay-per-call USDC payment proxy for AI agents. Issue scoped Pay Tokens with hard spending caps and auto-journal every charge to freee / Money Forward / QuickBooks.

A template for MCP servers that enforces a paywall gate, offering free local execution and monetizing premium features via Stripe or x402 payments.

Provision KYC-free, crypto-paid Nordic VPS and dedicated servers from any AI agent. Enables natural language hosting workflows including comparison, top-up, and provisioning of anonymous servers.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Enables interaction with UCO Bank APIs through the Model Context Protocol, supporting banking operations such as account lookup, transaction history, and more.

MCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.

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.

Create free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.

MCP server for real FDM 3D-printing slicing, quoting, and design-for-manufacturability analysis via the FabTally API, supporting 12 printer profiles and 12 materials. Includes free discovery/printability tools and paid slice/quote/orientation tools settled via x402 (USDC on Base).