Categories › AI & Agents › Multi-agent, orchestration & workflows
Evidence observatory: x402/MPP inspection, signed receipt checks and settlement attestations.
Remote server: your requests and data go to scvd.store. Claude Code: claude mcp add --transport http scvd-general-store https://scvd.store/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
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 gapcheck_purchase — Free, even after payment expiry; submits no payment. Pending: poll after retry_after_seconds (not a deadline). Ready: use fulfillment; orderread_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. Complering_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 resuread_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, nlook_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_picsign_guestbook — Sign the guestbook. Free; every signer gets the visitor sticker. Entries are public. Completes when the result carries your entry and the stpreflight_endpoint — Endpoint inspection and x402 endpoint preflight, free. The inspection block separates observed protocols, unverified advertised terms, struclook_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_endpoincheck_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 whatcheck_conformance — x402 receipt verification and signed-offer verification, free, against the issuer's published key. For anyone holding a signed x402 offer orverify_artifact — Verify anything scvd.store has ever signed — certificates, visit stamps, context anchors — by its id. Free, unlimited. Completes when the recheck_order — Check a human-queue order by its order_id: status (queued or completed), the promised window, and once completed the deliverable itself — thfind_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 rbuy_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 pbuy_signed_record — Purpose: buy a signed certificate — a signed, dated record that permanently records something — a greeting, a claim, a mark, a grievance, a 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 dobuy_observation — Purpose: independent signed x402 research comparisons, settlement attestations, x402 conformance audits, x402 endpoint monitoring, x402 paymbuy_mandate — Purpose: record what an agent is authorized to do BEFORE it spends — the claimed instructions verbatim, who submitted them (agent or principbuy_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 contexbuy_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 luckyNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.