# catena-x402-mcp-demo

> catena-x402-mcp-demo — efedurmaz16-catena-x402-mcp-demo. Use this tool when you need to meter and charge for tool invocations on an MCP server, or enable standard MCP clients to access paid tools without requiring x402 knowledge. It solves problems related to paid tool access and metering, providing a seamless experience for clients. The tool accepts standard MCP client requests as input and outputs metered and charged tool invocations.

Canonical page: https://skillsregistry.net/skills/efedurmaz16-catena-x402-mcp-demo  
JSON: https://api.skillsregistry.net/v1/skills/efedurmaz16-catena-x402-mcp-demo

## Description

An MCP server whose tool invocations are metered and charged over x402, plus a paying-proxy reference client that lets any standard MCP client use the paid tool without knowing x402 exists.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/uq0kvhy05a)
- **Repository:** <https://github.com/EfeDurmaz16/catena-x402-mcp-demo>

## 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": "efedurmaz16-catena-x402-mcp-demo"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/efedurmaz16-catena-x402-mcp-demo` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/efedurmaz16-catena-x402-mcp-demo/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