x402-mcp enables x402 payments in MCP
Introduced x402-mcp library that integrates with the AI SDK to bring x402 paywalls to Model Context Protocol servers, allowing agents to discover and pay for MCP tools directly in AI workflows with low-latency, anonymous payments confirming in 100-200ms.
Introducing , a library that integrates with the AI SDK to bring paywalls to Model Context Protocol (MCP) servers to let agents discover and call pay for MCP tools easily and securely.x402-mcpx402
With x402-mcp, you can define MCP servers with that require payment to run, enabling account-less, low-latency, anonymous payments directly in AI workflows. Payments confirm in ~100–200ms, with fees under $0.01 and support for minimums under $0.001.paidTools
Getting started is easy, here's how you can define a paid tool:
And integrating with AI SDK MCP Clients takes just one function to enable payments:
Read more about or try our full stack .x402x402 AI Starter Kit
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