Payflow MCP Server

What is Payflow?

Payflow is a toolkit for building micropayment-gated MCP servers. It provides a local MCP server for generating micropayments and a TypeScript SDK for integrating micropayments into your own MCP server.

How to use Payflow?

Install the packages via npm (@chainbound/payflow-mcp and @chainbound/payflow-sdk). Refer to each package’s README for detailed setup and usage instructions. An example integration (Cryo MCP) is available for reference.

Key features of Payflow

• Local MCP server for generating micropayments
• TypeScript SDK for integrating micropayments into MCP servers
• Monorepo structure with separate server and SDK packages
• Example integration (Cryo MCP) for reference
• Published as npm packages for easy installation

Use cases of Payflow

• Building micropayment-gated MCP servers
• Creating pay-per‑use or rate‑limited tools and APIs on top of MCP
• Integrating micropayments into existing MCP servers using the SDK