SpendPreflight for Claude Desktop
io.github.spendpreflight/spendpreflight
Preflight x402 payments. Base ERC-8004 agent #1151628; wallet binding verified Nov 3, 2026.
client:Claude Desktop
transport:streamable-http
tools:17
Install SpendPreflight in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"spendpreflight": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://api.spendpreflight.com/mcp"
]
}
}
}Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs