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Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

TransportHTTP (remote server)
Claude Code
claude mcp add --transport http onyx-mcp https://onyx-actions.onrender.com/mcp/
Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code
code --add-mcp '{"name":"onyx-mcp","type":"http","url":"https://onyx-actions.onrender.com/mcp/"}'
JSON
{
  "mcpServers": {
    "onyx-mcp": {
      "url": "https://onyx-actions.onrender.com/mcp/"
    }
  }
}