·x402

x402 protocol v2 for internet-native payments. Use when building x402 servers, clients, facilitators, or integrating x402 payment flows. Triggers: x402, payment required, 402, paywall, micropayment, EIP-3009, payment protocol, facilitator, PaymentPayload, PaymentRequirements.

8Installs·0Trend·@thegreataxios

Installation

$npx skills add https://github.com/thegreataxios/agent-skills --skill x402

How to Install x402

Quickly install x402 AI skill to your development environment via command line

  1. Open Terminal: Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.)
  2. Run Installation Command: Copy and run this command: npx skills add https://github.com/thegreataxios/agent-skills --skill x402
  3. Verify Installation: Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw

Source: thegreataxios/agent-skills.

SKILL.md

View raw

Open payment standard enabling clients to pay for external resources over any transport layer (HTTP, MCP, A2A). Protocol version: 2.

| x402Version | number | ✓ | Must be 2 | | error | string | | Human-readable error | | resource | ResourceInfo | ✓ | URL, description, mimeType | | accepts | PaymentRequirements[] | ✓ | Acceptable payment methods | | extensions | object | | Extension data (key → {info, schema}) |

| scheme | string | ✓ | e.g. "exact" | | network | string | ✓ | CAIP-2 format, e.g. "eip155:8453" | | amount | string | ✓ | Atomic token units | | asset | string | ✓ | Token contract address or ISO 4217 code | | payTo | string | ✓ | Recipient wallet address | | maxTimeoutSeconds | number | ✓ | Max time for payment completion |

Facts (cite-ready)

Stable fields and commands for AI/search citations.

Install command
npx skills add https://github.com/thegreataxios/agent-skills --skill x402
Category
</>Dev Tools
Verified
First Seen
2026-02-22
Updated
2026-03-10

Browse more skills from thegreataxios/agent-skills

Quick answers

What is x402?

x402 protocol v2 for internet-native payments. Use when building x402 servers, clients, facilitators, or integrating x402 payment flows. Triggers: x402, payment required, 402, paywall, micropayment, EIP-3009, payment protocol, facilitator, PaymentPayload, PaymentRequirements. Source: thegreataxios/agent-skills.

How do I install x402?

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/thegreataxios/agent-skills --skill x402 Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw

Where is the source repository?

https://github.com/thegreataxios/agent-skills

Details

Category
</>Dev Tools
Source
skills.sh
First Seen
2026-02-22