SCVD x402 Verifier — MCP server

Name: SCVD x402 Verifier — MCP server
Author: scvd.store

MCP serverMCP

A second MCP door (scvd-x402-verifier) serving free x402 verification tools under task-shaped names, on the same handlers as the store's full door, with no paid tool reachable. For a client that should never see a shelf.

by scvd.store

Is this yours?

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":"scvd-x402-verifier-mcp-server","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

Claim this record

Observed by Wellknown

Evidence

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

30-day availability112/112 checks ok

when	check	result	http	latency	detail
29 min ago	mcp initialize	ok	200	929 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
7 h ago	mcp initialize	ok	200	1071 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
14 h ago	mcp initialize	ok	200	342 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
22 h ago	mcp initialize	ok	200	338 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
29 h ago	mcp initialize	ok	200	663 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
35 h ago	mcp initialize	ok	200	40 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	350 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	480 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
2 d ago	mcp initialize	ok	200	943 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools
3 d ago	mcp initialize	ok	200	602 ms	server scvd-x402-verifier 0.5.0 · protocol 2025-06-18 · 5 tools

Tools observed via MCP handshake

preflight_x402_endpoint — Preflight an x402 endpoint before paying it: one unpaid probe answering whether the URL serves a well-formed x402 v2 challenge a stock client could sign — 402 s
verify_x402_receipt — Verify an x402 signed receipt or offer from any issuer: structure, signature against the issuer's key (pass public_key_hex for a fully offline check; otherwise
lookup_endpoint_readiness — Read what the signed weekly x402 readiness corpus holds about one host: rounds probed of rounds since first sighting, the last signed verdict, the tier with its
get_defect_definition — The definition of one named x402 defect class from the store's registered vocabulary: what a clear door asserts, what a buyer loses when it is present, whether
verify_scvd_artifact — Check the signature of a certificate, stamp or anchor this store issued, using its id. Returns valid, the artifact kind, and a short note; it does not return th

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

x402signed-artifactsverificationattestationconformance

kind ARD catalog (/.well-known/ard.json)

name ARD catalog (/.well-known/ard.json)

summary ARD catalog (/.well-known/ard.json)

description ARD catalog (/.well-known/ard.json)

publisherUrl ARD catalog (/.well-known/ard.json)

publisherName ARD catalog (/.well-known/ard.json)

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

ARD catalog (/.well-known/ard.json)urn:air:scvd.store:server:x402-verifier

first seen 2 mo ago · fetched 12 d agoopen ↗

Field history (7 recent events)

1 mo ago · declared · summary → "A second MCP door (scvd-x402-verifier) serving free x402 verification tools under task-shaped names, on the same handle
1 mo ago · declared · description → "A second MCP door (scvd-x402-verifier) serving free x402 verification tools under task-shaped names, on the same handle
2 mo ago · declared · publisherName → "scvd.store"
2 mo ago · declared · summary → "A second MCP door (scvd-x402-verifier) serving only read-only x402 verification tools under task-shaped names, on the s
2 mo ago · declared · protocols → ["mcp"]
2 mo ago · declared · publisherUrl → "https://scvd.store"
2 mo ago · declared · description → "A second MCP door (scvd-x402-verifier) serving only read-only x402 verification tools under task-shaped names, on the s

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from