DEPRECATED: no live endpoint (api.x402.org does not resolve)
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add x402 --env X402_API_KEY='<X402_API_KEY>' -- npx -y @codespar/mcp-x402~/.codex/config.toml
[mcp_servers.x402]
command = "npx"
args = ["-y", "@codespar/mcp-x402"]
env = { X402_API_KEY = "<X402_API_KEY>" }
# codex mcp add x402 --env X402_API_KEY='<X402_API_KEY>' -- npx -y @codespar/mcp-x402~/.cursor/mcp.json
{
"mcpServers": {
"x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"x402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"x402": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<X402_API_KEY>"
}
}
}
}Environment variables
X402_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.