# MCP servers for Backend and APIs MCP servers for Backend and APIs: what each one does, an install command and example prompts. 547 cards · page 14 of 14 - HTML: https://affpapa.org/en/nevibecode/mcp/topic/backend?page=14 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [SendCheck — EVM address verification (x402)](https://affpapa.org/en/nevibecode/mcp/sendcheck-evm-address-verification-x402.md) — MCP server · pennyforgeorg · Claude Code, Codex, Cursor +5 — Checks an EVM address before your agent signs a payment. - [LexQ](https://affpapa.org/en/nevibecode/mcp/lexq.md) — MCP server · lexq-io · Claude Code, Codex, Cursor +5 — Hooks an agent up to LexQ, where pricing, discounts and eligibility checks get edited without redeploying your service. - [KeyFlight PNR Converter](https://affpapa.org/en/nevibecode/mcp/keyflight-pnr-converter.md) — MCP server · Keyflight · Claude Code, Codex, Cursor +5 — Turns Amadeus, Sabre, Galileo and Worldspan bookings into readable itineraries, JSON and PDF tickets. - [FlurryPORT](https://affpapa.org/en/nevibecode/mcp/flurryport.md) — MCP server · flurryport · Claude Code, Codex, Cursor +5 — Catches webhooks from Stripe, GitHub and Shopify, shows what landed, and replays it into your app with the signature still valid. - [mcp-server](https://affpapa.org/en/nevibecode/mcp/decisionrules-mcp-server.md) — MCP server · decisionrules · Claude Code, Codex, Cursor +5 — Wires your agent into the DecisionRules engine so decision tables, rule flows and business logic can be built and tested from the chat. - [x402 economy tools](https://affpapa.org/en/nevibecode/mcp/x402-economy-tools.md) — MCP server · clankerceo · Claude Code, Codex, Cursor +5 — Feeds your agent measured x402 ecosystem data: which endpoints actually take payment and where the money goes. - [pdfrender](https://affpapa.org/en/nevibecode/mcp/pdfrender.md) — MCP server · pdfrender-dev · Claude Code, Codex, Cursor +5 — Turns HTML and CSS into PDF over MCP, with headers, footers and page numbers set in CSS. - [mailverdict](https://affpapa.org/en/nevibecode/mcp/mailverdict.md) — MCP server · mailverdict · Claude Code, Codex, Cursor +5 — Flags burner inboxes, role accounts and mistyped domains. - [Cloudgate Workflow](https://affpapa.org/en/nevibecode/mcp/cloudgate-workflow.md) — MCP server · cloudgatedevs · Claude Code, Codex, Cursor +5 — Hooks an AI client into Cloudgate's hosted workflow API so you can build controllers, actions, workflow graphs and databases from the chat. - [Xweather Weather MCP](https://affpapa.org/en/nevibecode/mcp/xweather-weather-mcp.md) — MCP server · vaisala-xweather · Claude Code, Codex, Cursor +5 — A hosted MCP server that feeds Xweather conditions, forecasts and alerts into your coding agent over HTTP. - [lookup](https://affpapa.org/en/nevibecode/mcp/lookup.md) — MCP server · verirouteintel · Claude Code, Codex, Cursor +5 — A hosted MCP server that answers whether a number is worth dialing or texting right now: carrier, line type, spam reputation, SMS deliverability. - [Scento Perfume API (MCP server)](https://affpapa.org/en/nevibecode/mcp/scento-perfume-api-mcp-server.md) — MCP server · Scento-com · Claude Code, Codex, Cursor +5 — Lets your assistant look up notes, families and similar scents across 1,400+ perfumes. - [Revdoku](https://affpapa.org/en/nevibecode/mcp/revdoku.md) — MCP server · revdoku · Claude Code, Codex, Cursor +5 — MCP server that gives each agent its own mailbox with an incoming email address and file storage. - [Pushizo](https://affpapa.org/en/nevibecode/mcp/pushizo.md) — MCP server · pushizo · Claude Code, Codex, Cursor +5 — Wires an AI client into Pushizo so it can read segments, campaigns, templates and analytics, and create draft campaigns or segments. - [PocketBase Cloud](https://affpapa.org/en/nevibecode/mcp/pocketbase-cloud.md) — MCP server · pocketbasecloud · Claude Code, Codex, Cursor +5 — Connects your agent to PocketBase Cloud projects: instances, deploys, domains, collections and records. - [gate402 merchant checkout](https://affpapa.org/en/nevibecode/mcp/gate402-merchant-checkout.md) — MCP server · OgenaLabs · Claude Code, Codex, Cursor +5 — Wires your agent into the hosted Ogena gate402 API to issue payment terms and confirm a charge. - [Inttegro](https://affpapa.org/en/nevibecode/mcp/inttegro.md) — MCP server · inttegro · Claude Code, Codex, Cursor +5 — A hosted MCP server that exposes Inttegro merchant account tools to your coding agent. - [Immersive Commons](https://affpapa.org/en/nevibecode/mcp/immersive-commons.md) — MCP server · Immersive-commons · Claude Code, Codex, Cursor +5 — Wires your agent into the Immersive Commons API in San Francisco: event RSVPs, multi-agent rooms, 3D print queue, VR headset lending. - [Green API WhatsApp](https://affpapa.org/en/nevibecode/mcp/green-api-whatsapp.md) — MCP server · green-api · Claude Code, Codex, Cursor +5 — Wires WhatsApp into your AI agent: sending messages, handling groups and contacts, and picking up incoming notifications. - [universalcartmerchantgate-mcp](https://affpapa.org/en/nevibecode/mcp/universalcartmerchantgate-mcp.md) — MCP server · clauxel · Claude Code, Codex, Cursor +5 — A hosted MCP server that checks whether a store is ready for Universal Cart, sorts out checkout blockers and exports the readiness log. - [catalogapi](https://affpapa.org/en/nevibecode/mcp/catalogapi.md) — MCP server · catalogapi · Claude Code, Codex, Cursor +5 — A public MCP server for CatalogAPI that lets your assistant answer reward-coverage and catalog questions from live data, with no key and no signup. - [Averray](https://affpapa.org/en/nevibecode/mcp/averray.md) — MCP server · averray-agent · Claude Code, Codex, Cursor +5 — Wires your agent into a platform where jobs and their verification are settled in USDC, and confirmed outcomes come back with signed receipts. - [fiscal](https://affpapa.org/en/nevibecode/mcp/fiscal.md) — MCP server · BrasilNFe · Claude Code, Codex, Cursor +5 — Wires your agent into Brazil's fiscal infrastructure, so NF-e, NFC-e, NFS-e, CT-e, MDF-e and DC-e go to SEFAZ from the chat. - [Surfing Dog Inbox](https://affpapa.org/en/nevibecode/mcp/surfing-dog-inbox.md) — MCP server · surfingdogai · Claude Code, Codex, Cursor +5 — An open-source inbox for bookings, orders, quote requests and messages from people and their AI agents. - [Spala Public MCP](https://affpapa.org/en/nevibecode/mcp/spala-public-mcp.md) — MCP server · spala-ai · Claude Code, Codex, Cursor +5 — Spala's public MCP server: it briefs your agent on the platform, runs OAuth, and hands back exact project MCP URLs. - [Pyrimid Protocol](https://affpapa.org/en/nevibecode/mcp/pyrimid-protocol.md) — MCP server · pyrimid-ai · Claude Code, Codex, Cursor +5 — An MCP server for agent commerce: browse paid MCP tools and AI APIs, buy them over x402, and settle affiliate commissions in USDC on Base. - [agent-bev](https://affpapa.org/en/nevibecode/mcp/agent-bev.md) — MCP server · agent-bev · Claude Code, Codex, Cursor +5 — Wires your agent into a B2B hub for beer, wine and spirits, so it can search catalogues and trade. ## Refine [api](https://affpapa.org/en/nevibecode/tag/api.md) · [payments](https://affpapa.org/en/nevibecode/tag/payments.md) · [node](https://affpapa.org/en/nevibecode/tag/node.md) · [oauth](https://affpapa.org/en/nevibecode/tag/oauth.md) · [sql](https://affpapa.org/en/nevibecode/tag/sql.md) · [database](https://affpapa.org/en/nevibecode/tag/database.md) · [oauth2](https://affpapa.org/en/nevibecode/tag/oauth2.md) · [sqlite](https://affpapa.org/en/nevibecode/tag/sqlite.md) · [dotnet](https://affpapa.org/en/nevibecode/tag/dotnet.md) · [rest-api](https://affpapa.org/en/nevibecode/tag/rest-api.md) · [accounting](https://affpapa.org/en/nevibecode/tag/accounting.md) · [email](https://affpapa.org/en/nevibecode/tag/email.md) ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md