x402 Preflight
Rank #20,369io.github.chico10117/x402-preflight
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
x402 Preflight is a Model Context Protocol (MCP) server published by chico10117. It ranks #20,369 of 132,046 servers tracked on MCP Toplist. x402 Preflight is listed across 2 registries — Official MCP and Glama, with 2 tracked versions. It was first listed on Sep 1, 2026 and most recently updated on Sep 4, 2026.
Ranks ahead of 111,677 of 132,046 servers on MCP Toplist.
Use x402 Preflight
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add --transport http x402-preflight https://x402.chikocorp.com/mcp[mcp_servers.x402-preflight]
url = "https://x402.chikocorp.com/mcp"Add to ~/.codex/config.toml.
https://x402.chikocorp.com/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"x402-preflight": {
"url": "https://x402.chikocorp.com/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"x402-preflight": {
"type": "http",
"url": "https://x402.chikocorp.com/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"x402-preflight": {
"serverUrl": "https://x402.chikocorp.com/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"x402-preflight": {
"url": "https://x402.chikocorp.com/mcp"
}
}
}Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.chico10117%2Fx402-preflight)<a href="https://mcptoplist.com/server/io.github.chico10117%2Fx402-preflight"><img src="https://mcptoplist.com/badge/io.github.chico10117%2Fx402-preflight.svg" alt="MCP Toplist: Top 25% of 132,046" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
chico10117
Available versions (2)
| Version | Published |
|---|---|
| 1.0.1 | Sep 4, 2026 |
| 1.0.0 | Sep 1, 2026 |
Frequently asked questions
- Who maintains x402 Preflight?
- x402 Preflight is maintained by chico10117, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
- Is x402 Preflight listed on the Official MCP Registry?
- Yes — x402 Preflight is listed on the Official MCP Registry, alongside Glama.
- How many versions does x402 Preflight have?
- MCP Toplist tracks 2 versions of x402 Preflight, most recently published on Sep 4, 2026.
- Where can I find the source code for x402 Preflight?
- The source code for x402 Preflight is hosted at github.com/chico10117/basepay-readiness-service.
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