Agent payment infrastructure — reference implementation of x402 pay-per-call for APIs (HTTP 402 + USDC on Base)
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http quinn-s-conveyance-paid-comfyui-knowledg https://demo.quinnsconveyance.com/mcp~/.codex/config.toml
[mcp_servers.quinn-s-conveyance-paid-comfyui-knowledg]
url = "https://demo.quinnsconveyance.com/mcp"
# codex mcp add quinn-s-conveyance-paid-comfyui-knowledg --url https://demo.quinnsconveyance.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"quinn-s-conveyance-paid-comfyui-knowledg": {
"url": "https://demo.quinnsconveyance.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"quinn-s-conveyance-paid-comfyui-knowledg": {
"type": "http",
"url": "https://demo.quinnsconveyance.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"quinn-s-conveyance-paid-comfyui-knowledg": {
"httpUrl": "https://demo.quinnsconveyance.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"quinn-s-conveyance-paid-comfyui-knowledg": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://demo.quinnsconveyance.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"quinn-s-conveyance-paid-comfyui-knowledg": {
"url": "https://demo.quinnsconveyance.com/mcp"
}
}
}