Best Payment Required AI Skills & MCP Servers

1 curated Payment Required skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Mcp

MCP Registry

PipRail MCP server — hand any MCP client a budget-bound x402 payment wallet. Local-only, no backend, no custody; the spend policy is enforced before any on-chain send, so the model literally cannot overspend.

MCP Registry · ★ 5.0free

About Payment Required skills on iClaude

iClaude is the universal install layer for AI skills. Every Payment Required skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.

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