crossingkey mcp for Windsurf

com.crossingkeyintelligence/crossingkey-mcp

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

client:Windsurf transport:streamable-http tools:6

Install crossingkey mcp in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

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

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs