io.github.chico10117/x402-preflight
x402 Preflight
io.github.chico10117/x402-preflight costs 622 tokens of context per session. It has 3 tool definitions. That is 0.3 % of a 200k window. Measured 2026-10-03.
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
alive probed 2026-10-03 · HTTP 200
3tools
622tokens for the tool definitions
0.3 %of a 200k context window
825 msto initialize
963 msto list tools
- Endpoint
- https://x402.chikocorp.com/mcp (streamable-http)
- Host
- x402.chikocorp.com
- Protocol
- 2025-11-25
- Reports itself as
- x402-preflight 1.0.0
- Capabilities
- tools
- Instructions
- 459 characters
- Repository
- https://github.com/chico10117/basepay-readiness-service
- Registry
- active, updated 2026-09-04 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| order_x402_remediation | 219 | 35 % |
| audit_x402_endpoint | 207 | 33 % |
| inspect_x402_endpoint | 196 | 32 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:37 | alive | 825 ms | 3 | 622 |
| 2026-10-03 17:53 | alive | 552 ms | 3 | 622 |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.chico10117/x402-preflight)