x402 Pay — USDC API Payment Helper

Name: x402 Pay — USDC API Payment Helper
Author: com.scriptmasterlabs

MCP serverMCP

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

Listed on its own since 2026-09-25. Until then it was part of scriptmasterlabs-mcp-x402, where its earlier checks remain.

by com.scriptmasterlabsrepository ↗homepage ↗v1.0.0

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This record is unclaimed

Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.

Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"x402-pay-usdc-api-payment-helper","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability54/55 checks ok

when	check	result	http	latency	detail
44 min ago	mcp initialize	ok	200	477 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
7 h ago	mcp initialize	ok	200	177 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
14 h ago	mcp initialize	ok	200	223 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
21 h ago	mcp initialize	ok	200	173 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
27 h ago	mcp initialize	ok	200	489 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
33 h ago	mcp initialize	ok	200	260 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	197 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	187 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	175 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	218 ms	server x402-pay 1.0.1 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

payment_info — Return the canonical ScriptMasterLabs x402 payment network and receiver. Never spends.
list_paid_apis — List live SML x402 paid API operations from the canonical SqueezeOS OpenAPI document.
check_payment — Inspect an HTTPS URL for a live x402 402 challenge without sending payment.
check_status — Check the live always-on SqueezeOS payment authority.

Declared by sources

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

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Official MCP Registrycom.scriptmasterlabs/x402-pay

first seen 1 mo ago · fetched 15 h agoopen ↗

Field history (7 recent events)

15 d ago · declared · summary → "Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status."
15 d ago · declared · description → "Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status."
15 d ago · declared · publisherName → "com.scriptmasterlabs"
15 d ago · declared · homepageUrl → "https://www.scriptmasterlabs.com/stack.html"
15 d ago · declared · repoUrl → "https://gitlab.com/timothy.walton45/sml-portfolio"
15 d ago · declared · version → "1.0.0"
15 d ago · declared · protocols → ["mcp"]

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