callx402 MCP Server
by payloadhqio.github.payload-tools/callx402v1.0.1
Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps
context tax
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security
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freshness
Active1d ago
Install callx402 MCP server
Install in Claude Code
claude mcp add callx402 -- npx -y callx402Install in Cursor
{
"mcpServers": {
"callx402": {
"command": "npx",
"args": [
"-y",
"callx402"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"callx402": {
"command": "npx",
"args": [
"-y",
"callx402"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"callx402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"callx402"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"callx402": {
"command": "npx",
"args": [
"-y",
"callx402"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 1d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
2026-10-08 · 1d ago · GitHub · v1.0.3
Package published
no data · npm/PyPI
Registry entry updated
2026-10-08 · 2d ago · official registry · v1.0.1
FAQ
›How do I install the callx402 MCP server in Claude Code?
Run: claude mcp add callx402 -- npx -y callx402. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does callx402 require an API key?
No required environment variables are declared in its published metadata.
›Can I use callx402 as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is callx402 in the official MCP registry?
Yes, as io.github.payload-tools/callx402.