# Coal

> Use this tool when you need to facilitate autonomous payments for AI agents, enabling them to settle transactions without human intervention. Coal provides payment infrastructure for AI-driven commerce on the Base blockchain, supporting USDC payments to merchants via x402 and OKX APP protocols. It accepts payment requests as input and outputs confirmed transactions, ideal for use cases requiring automated and efficient payment processing.

Canonical page: https://skillsregistry.net/skills/coal  
JSON: https://api.skillsregistry.net/v1/skills/coal

## Description

Coal provides payment infrastructure for AI agents, enabling autonomous USDC payments to merchants on the Base blockchain. Agents can execute payments using both the x402 and OKX APP dual-protocol stack. Designed for agent-driven commerce where AI needs to settle transactions without human intervention.

## Trust

- **Trust score (0–1):** 0.62
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/coal)
- **Repository:** <https://github.com/emmanuel39hanks/coal>

## 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": "coal"
    }
  }
}
```

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