crossingkey mcp for Gemini CLI

com.crossingkeyintelligence/crossingkey-mcp

CrossingKey MCP for agent commerce, x402 payments, deterministic execution, and verifiable receipts.

client:Gemini CLI transport:streamable-http tools:6

Install crossingkey mcp in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "crossingkey-mcp": {
      "httpUrl": "https://mcp.crossingkeyintelligence.com/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs