preflight402 MCP Server
by duskwireio.ironshell/preflight402v0.1.0
Trust verdict for an x402 payment endpoint: health, 402 handshake, price, proceed/caution/avoid.
context tax
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freshness
Maintained2mo ago
Install preflight402 MCP server
Install in Claude Code
claude mcp add --transport http preflight402 https://preflight402.ironshell.io/mcpInstall in Cursor
{
"mcpServers": {
"preflight402": {
"url": "https://preflight402.ironshell.io/mcp"
}
}
}Install in Claude Desktop
{
"mcpServers": {
"preflight402": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://preflight402.ironshell.io/mcp"
]
}
}
}Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.
Install in VS Code
{
"servers": {
"preflight402": {
"type": "http",
"url": "https://preflight402.ironshell.io/mcp"
}
}
}Install in Windsurf
{
"mcpServers": {
"preflight402": {
"serverUrl": "https://preflight402.ironshell.io/mcp"
}
}
}Remote endpoints
- streamable-http
https://preflight402.ironshell.io/mcp
Freshness
Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-08-04 · 2mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-21 · 3mo ago · official registry · v0.1.0
FAQ
›How do I install the preflight402 MCP server in Claude Code?
Run: claude mcp add --transport http preflight402 https://preflight402.ironshell.io/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does preflight402 require an API key?
No required environment variables are declared in its published metadata.
›Can I use preflight402 as a remote (hosted) MCP server?
Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.
›Is preflight402 in the official MCP registry?
Yes, as io.ironshell/preflight402.
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