SCVD General Store

Name: SCVD General Store
Author: store.scvd

MCP serverMCP

Evidence observatory: x402/MPP inspection, signed receipt checks and settlement attestations.

by store.scvdrepository ↗homepage ↗v0.2.4MIT

Observed by Wellknown

Evidence

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

30-day availability714/714 checks ok

when	check	result	http	latency	detail
18 min ago	mcp initialize	ok	200	40 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
1 h ago	mcp initialize	ok	200	48 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
2 h ago	mcp initialize	ok	200	41 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
3 h ago	mcp initialize	ok	200	48 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
4 h ago	mcp initialize	ok	200	51 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
5 h ago	mcp initialize	ok	200	110 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
6 h ago	mcp initialize	ok	200	83 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
7 h ago	mcp initialize	ok	200	124 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
8 h ago	mcp initialize	ok	200	60 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools
9 h ago	mcp initialize	ok	200	162 ms	server scvd-general-store 0.5.0 · protocol 2025-06-18 · 21 tools

Tools observed via MCP handshake

check_a2a_card — Free A2A 0.3.0 card check. Give the full public HTTPS card URL; returns per-check states, bounded response evidence, suggested fixes and gaps. Other versions re
check_purchase — Free, even after payment expiry; submits no payment. Pending: poll after retry_after_seconds (not a deadline). Ready: use fulfillment; orders need completion. O
read_store_guide — The store's front door as text: the full menu with prices, how x402 payment works here, the free shelf, and the house promises. Free. Completes when the guide t
ring_bell — Ring the store bell. Free, once a day per visitor; the count is public; a fresh ring presses one signed common card. Completes when the result carries the bell'
read_binder — Read a wallet's binder: every trading card it holds here, newest first, with page, face, sheet and record URLs, and the pack credit. Free, no account. A listing
look_in_window — Look in the shop window: the last five pressings pulled from packs here, each with its page. Free, no account. A window pick (buy_window_pick, half a pack) take
sign_guestbook — Sign the guestbook. Free; every signer gets the visitor sticker. Entries are public. Completes when the result carries your entry and the sticker URL. A store e
preflight_endpoint — Endpoint inspection and x402 endpoint preflight, free. The inspection block separates observed protocols, unverified advertised terms, structural checks and gap
look_at_door — What this store holds about an x402 door, now and before now, in one free call. One unpaid probe (the same single probe as preflight_endpoint, same budget) fold
check_before_you_pay — For a buyer whose client has its own rules, to learn before signing whether this door meets them. Before paying any x402 door, find out what YOUR client will ac
check_conformance — x402 receipt verification and signed-offer verification, free, against the issuer's published key. For anyone holding a signed x402 offer or receipt and unsure
verify_artifact — Verify anything scvd.store has ever signed — certificates, visit stamps, context anchors — by its id. Free, unlimited. Completes when the result carries valid (
check_order — Check a human-queue order by its order_id: status (queued or completed), the promised window, and once completed the deliverable itself — the poll half of the s
find_in_catalog — Find an item before using buy_*: filter the shelf by price or text, or pass item_id for its listing. Rows give USDC price, fulfillment and read scope. Free, rea
buy_simple — Purpose: buy one of the few things that need no reading at all — the front counter. Every one of these takes no arguments, costs one fixed price, arrives in the
buy_signed_record — Purpose: buy a signed certificate — a signed, dated record that permanently records something — a greeting, a claim, a mark, a grievance, a confession, a contri
buy_human_task — Purpose: hire the keeper — a real named human — to do something in the physical or judgment world that an agent cannot do for itself. Two doors: the_collab is w
buy_observation — Purpose: independent signed x402 research comparisons, settlement attestations, x402 conformance audits, x402 endpoint monitoring, x402 payment client tests, x4
buy_mandate — Purpose: record what an agent is authorized to do BEFORE it spends — the claimed instructions verbatim, who submitted them (agent or principal, itself a claim),
buy_memory_anchor — Purpose: sign and store a summary of your own state — who you are, what you were doing — at a permanent URL you can read back after a context reset, a restart,
buy_small_pleasure — Purpose: buy a small signed novelty — a blessing from the jar, the day's fortune (the same line for every buyer until midnight UTC), a lucky totem from the keep

Provenance

Where this record came from

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

npm registryscvd-tab

first seen 2 mo ago · fetched 17 h agoopen ↗

Official MCP Registrystore.scvd/general-store

first seen 2 mo ago · fetched 26 h agoopen ↗

Official MCP Registrystore.scvd/tab

first seen 2 mo ago · fetched 26 h agoopen ↗

Field history (12 recent events)

4 d ago · declared · description → "Evidence observatory: x402/MPP inspection, signed receipt checks and settlement attestations."
4 d ago · declared · summary → "Evidence observatory: x402/MPP inspection, signed receipt checks and settlement attestations."
4 d ago · declared · name → "SCVD General Store"
4 d ago · declared · version → "0.2.4"
5 d ago · observed · packageFacts → {"name":"scvd-tab","registry":"npm","publishedAt":"2026-10-16T19:27:49.172Z","latestVersion":"0.11.4","weeklyDownloads":
6 d ago · observed · packageFacts → {"name":"scvd-tab","registry":"npm","publishedAt":"2026-10-15T15:17:45.088Z","latestVersion":"0.11.3","weeklyDownloads":
7 d ago · declared · summary → "Every tool a builder signs up for, on one tab: trials, burn, price drift. Local JSONL, zero deps."
7 d ago · declared · version → "0.11.2"
7 d ago · declared · description → "Every tool a builder signs up for, on one tab: trials, burn, price drift. Local JSONL, zero deps."
7 d ago · declared · name → "The Tab (scvd-tab)"
19 d ago · declared · description → "Evidence observatory: x402/MPP inspection, signed receipt checks and settlement attestations."
19 d ago · declared · version → "0.2.4"

SCVD General Store

Evidence

What the publisher says

Capabilities

Where this record came from