X402search MCP Server
by x402-indexio.github.x402-index/x402search-mcpv1.0.2
Search x402-enabled HTTP APIs by keyword, paid per search via x402 micropayments on Base.
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Stale7mo ago
Install X402search MCP server
Install in Claude Code
claude mcp add x402search -e PRIVATE_KEY='<private-key>' -- npx -y x402search-mcpInstall in Cursor
{
"mcpServers": {
"x402search": {
"command": "npx",
"args": [
"-y",
"x402search-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"x402search": {
"command": "npx",
"args": [
"-y",
"x402search-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"x402search": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"x402search-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"x402search": {
"command": "npx",
"args": [
"-y",
"x402search-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PRIVATE_KEY | yes | yes | EVM private key for x402 payment signing |
Freshness
Stale — last maintenance signal 7mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-03-29 · 7mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-03-08 · 7mo ago · official registry · v1.0.2
FAQ
›How do I install the X402search MCP server in Claude Code?
Run: claude mcp add x402search -e PRIVATE_KEY='<private-key>' -- npx -y x402search-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does X402search require an API key?
Yes. It expects PRIVATE_KEY, of which 1 is a secret.
›Can I use X402search as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is X402search in the official MCP registry?
Yes, as io.github.x402-index/x402search-mcp.