X402 MCP Server
by codespario.github.codespar/mcp-x402v0.1.5
DEPRECATED: no live endpoint (api.x402.org does not resolve)
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security
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cold start
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freshness
Active13d ago
Install X402 MCP server
Install in Claude Code
claude mcp add x402-codespar -e X402_API_KEY='<x402-api-key>' -- npx -y @codespar/mcp-x402Install in Cursor
{
"mcpServers": {
"x402-codespar": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<x402-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"x402-codespar": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<x402-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"x402-codespar": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<x402-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"x402-codespar": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-x402"
],
"env": {
"X402_API_KEY": "<x402-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| X402_API_KEY | yes | yes | API key for x402 |
Freshness
Active — last maintenance signal 13d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-27 · 13d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-27 · 13d ago · official registry · v0.1.5
FAQ
›How do I install the X402 MCP server in Claude Code?
Run: claude mcp add x402-codespar -e X402_API_KEY='<x402-api-key>' -- npx -y @codespar/mcp-x402. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does X402 require an API key?
Yes. It expects X402_API_KEY, of which 1 is a secret.
›Can I use X402 as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is X402 in the official MCP registry?
Yes, as io.github.codespar/mcp-x402.