# x402

> x402 — qbt-labs-x402. Use this tool when you need to facilitate seamless multi-chain transactions for AI agents, solving issues of compatibility and efficiency across different blockchain networks. It enables secure and reliable payment processing, accepting various input formats and producing standardized output for easy integration. Ideal for use cases requiring cross-chain payment functionality, such as AI-driven marketplaces or decentralized finance applications.

Canonical page: https://skillsregistry.net/skills/qbt-labs-x402  
JSON: https://api.skillsregistry.net/v1/skills/qbt-labs-x402

## Description

Multi-chain payment protocol for AI agents

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-06-18

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** finance
- **Updated:** 2026-09-22

## Source

- **Source listing:** [GitHub](https://github.com/QBT-Labs/x402)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "qbt-labs-x402"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/qbt-labs-x402` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/qbt-labs-x402/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt