MCP tools for x402engine: discover live pay-per-call APIs and use images, code, crypto, audio, travel and IPFS with budgeted USDC payments.
接入配置
选择客户端，复制配置，再按项目文档补齐环境变量。
claude mcp add x402engine --env X402_DEV_BYPASS='<X402_DEV_BYPASS>' --env X402_PAYMENT_HEADER='<X402_PAYMENT_HEADER>' -- npx -y x402engine-mcp~/.codex/config.toml
[mcp_servers.x402engine]
command = "npx"
args = ["-y", "x402engine-mcp"]
env = { X402_DEV_BYPASS = "<X402_DEV_BYPASS>", X402_PAYMENT_HEADER = "<X402_PAYMENT_HEADER>" }
# codex mcp add x402engine --env X402_DEV_BYPASS='<X402_DEV_BYPASS>' --env X402_PAYMENT_HEADER='<X402_PAYMENT_HEADER>' -- npx -y x402engine-mcp~/.cursor/mcp.json
{
"mcpServers": {
"x402engine": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
"X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"x402engine": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
"X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"x402engine": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
"X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"x402engine": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
"X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"x402engine": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_DEV_BYPASS": "<X402_DEV_BYPASS>",
"X402_PAYMENT_HEADER": "<X402_PAYMENT_HEADER>"
}
}
}
}需要的环境变量
X402_DEV_BYPASSX402_PAYMENT_HEADER
把占位值换成你自己的密钥；不要把密钥提交到代码仓库。