# CardZero

> CardZero — mrocker-cardzero. Use this tool when you need to manage universal payments for AI agents, enabling seamless transactions with USDC on Base. It solves problems related to payment processing and wallet management for AI systems, providing a streamlined interface for secure and efficient transactions. Ideal for use cases requiring reliable and flexible payment solutions, CardZero accepts and processes USDC payments, outputting secure and verified transaction records.

Canonical page: https://skillsregistry.net/skills/mrocker-cardzero  
JSON: https://api.skillsregistry.net/v1/skills/mrocker-cardzero

## Description

The first universal payment wallet for AI Agents. USDC on Base.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-02

## 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/mrocker/CardZero)

## 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": "mrocker-cardzero"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mrocker-cardzero` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mrocker-cardzero/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