# Grey Ridge x402 MCP

> Grey Ridge x402 MCP — rezearcher-x402-data-api. Use this tool when you need to access real-time crypto market data, DeFi yields, and security scans for informed decision-making. It provides pay-per-call access to various data sources, including Polymarket and Base chain information, with payment via USDC on Base mainnet. Ideal for AI agents requiring up-to-date financial and market data to solve complex problems or make data-driven predictions.

Canonical page: https://skillsregistry.net/skills/rezearcher-x402-data-api  
JSON: https://api.skillsregistry.net/v1/skills/rezearcher-x402-data-api

## Description

Enables AI agents to access crypto prices, DeFi yields, Polymarket data, Base chain info, and security scans with pay-per-call via USDC on Base mainnet.

## Trust

- **Trust score (0–1):** 0.32
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/etgkkmckxk)
- **Repository:** <https://github.com/rezearcher/x402-data-api>

## 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": "rezearcher-x402-data-api"
    }
  }
}
```

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