InFlow — agentic MPP (Machine Payments Protocol) / x402 payments from your machine.

What is InFlow?

InFlow is an agent-native and human-accessible command-line entry point for performing payments via the Machine Payments Protocol (MPP) and x402. It targets both automated agents (e.g., MCP-integrated assistants) and humans using the raw CLI.

How to use InFlow?

Install globally with npm install -g @inflowpayai/inflow or run directly with npx @inflowpayai/inflow. For agents, add the agentic-payments skill via npx skills add inflowpayai/inflow-cli or install the bundled plugin in hosts like Claude Code, Cursor, or Codex. The default MCP entry runs npx -y @inflowpayai/inflow --mcp.

Key features of InFlow

• Agentic and human-accessible via CLI or MCP assistants.
• Supports MPP (Machine Payments Protocol) and x402 payments.
• Provides command groups: auth, x402, mpp, user, balances, depositAddresses.
• Global flags and --format agent rendering.
• Ships as a skill and bundled MCP server plugin.
• Published as npm package @inflowpayai/inflow.

Use cases of InFlow

• An agent autonomously makes micropayments using MPP or x402.
• A human initiates payments through an MCP-integrated assistant.
• A developer explores payment commands via the raw CLI.
• Integrating payment capabilities into agent hosts (Claude Code, Cursor, Codex).
• Using the headless @inflowpayai/inflow-core client in custom scripts.

FAQ from InFlow

What is InFlow and what does it do?

InFlow is a command-line and MCP‑integrated tool for making agentic payments via the Machine Payments Protocol (MPP) and x402. It is built for both automated agents and human users.

How do I install InFlow?

Install the binary globally with npm install -g @inflowpayai/inflow or run with npx @inflowpayai/inflow. For agents, add the skill or plugin as described in the README.

What are the runtime requirements for InFlow?

Node.js >= 22 is required. The project is a pnpm + Turborepo monorepo.

How can I use InFlow with agents?

Add the agentic-payments skill via npx skills add inflowpayai/inflow-cli, or install the plugin in Claude Code, Cursor, or Codex (the repo’s plugin files are auto-discovered). The MCP server is bundled and runs inflow --mcp.

What is the license for InFlow?

InFlow is released under the MIT License.