Official MCP RegistryListed
x402 Pay — USDC API Payment Helper
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
First seen 2 Oct 2026. Evidence as of 7 Oct 2026.
4
Tools
From an anonymous probe
1
Source listings
Each with its own history
0
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| check_payment | Inspect an HTTPS URL for a live x402 402 challenge without sending payment. | Read-only |
| check_status | Check the live always-on SqueezeOS payment authority. | Read-only |
| list_paid_apis | List live SML x402 paid API operations from the canonical SqueezeOS OpenAPI document. | Read-only |
| payment_info | Return the canonical ScriptMasterLabs x402 payment network and receiver. Never spends. | Read-only |
Change history
No changes since the first observation. The first snapshot is the baseline.
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | com.scriptmasterlabs/x402-pay | 2 Oct 2026 | 7 Oct 2026 | 1 |