Attic MCP server

• attic_card_sold_compsFree

  STUB. Does not return eBay sold prices for sports cards. Do not call this to price a card, and do not invent a hammer or a sold comp. Requires an Attic API key. PCGS is unrelated and is not offered.

• attic_coin_sold_compsFree

  STUB. Does not return sold prices for coins. Do not call this to price a coin, and do not invent a hammer. Requires an Attic API key. PCGS comps are not offered.

• attic_comps_statusFree

  Whether PSA cert lookup and the eBay-sold bridge are configured or live. No upstream price call. PCGS comps are not offered. If live is false, do not quote sold prices or grades. Public.

• attic_get_articleFree

  Get one atticcapital.com article by WordPress slug: title, date, excerpt, markets, dossier slugs, and episode numbers. The excerpt is a summary of at most 400 characters. Do not fetch the article HTML.

• attic_get_changesFree

  Ledger of roster and gathering moves since the prior weekly cut. Use this for 'what changed', rank moves, names that entered or left a top 5. Optional since (YYYY-MM-DD), market, and layer. layer=beyond is Attic Beyond. An empty list means the rosters did not move.

• attic_get_dossierFree

  Get an Attic object dossier by market and slug: thesis, risk flags, related Creators episodes, and outbound links. About 38 Creators-grounded briefs. Slugs appear on articles and episodes. Attic Beyond: needs an API key. Unknown slugs 404. Do not invent a dossier.

• attic_get_episodeFree

  Get one Creators episode by episode number or slug. Prefer episode when you have the number. Returns the summary, show notes on atticcapital.com, collection, and audio URL. Public.

• attic_get_indexesFree

  Attic Market Strength composites for rare coins, sports cards, collector cars, and fine art. Week-0 levels are 100 until scored inputs exist. Peer feeds may be stub_until_licensed. Omit market for the full package. Attic Beyond: needs an API key. Do not invent index levels. This is not the Price Indexes pillar of the weekly report.

• attic_get_market_reportFree

  Get one weekly top-5 roster for a market, layer, and pillar. Use this for 'top 5', 'who is in the report', or a Headlines / Beyond pillar. For the paragraph on one rank, call attic_get_report_entry. For a name across pillars, use attic_search. layer=beyond is Attic Beyond and needs an API key.

• attic_get_report_entryFree

  Get one ranked name from a weekly pillar pack, with its summary and a short expanded excerpt. Requires market, layer, and pillar. rank is 1-5 and defaults to 1. The excerpt is not the whole page. layer=beyond is Attic Beyond.

• attic_list_articlesFree

  List published atticcapital.com articles: title, date, URL, and a short excerpt. Never the full body. Optional q matches title, slug, and excerpt. Optional market (rare-coins, sports-cards, collector-cars, art, or other) and since (YYYY-MM-DD). Newest first.

• attic_list_episodesFree

  List Creators & Cultural Icons podcast episodes (public): number, title, date, summary, show-notes URL, and audio URL. Optional q searches title, slug, and summary. Optional market filters the mapped collection. Newest episode number first.

• attic_list_gatheringsFree

  List shows, auctions, and other gatherings on the Attic calendar. Optional market filter. Public. This is the calendar, not the Gatherings pillar of the weekly report (use attic_get_market_report with pillar gatherings for that top 5).

• attic_list_marketsFree

  List the four Attic collector markets (rare coins, sports cards, collector cars, fine art) with Headlines, Beyond, and Creators page URLs on atticcapital.com. Use this when you need the canonical page to link, not a top-5 roster.

• attic_list_pillarsFree

  List the 14 locked report pillars in order (Collectors through Insights In Depth). Use the slug with attic_get_market_report. This does not return the ranked names.

• attic_lookup_psa_certFree

  STUB. Does not return a PSA grade or population. PCGS comps are not offered. Do not call this to answer what a card graded or sold for. Requires an Attic API key; without one, the tool explains Attic Beyond. Never invent a cert result.

• attic_searchFree

  Keyword search across roster names, summaries, and expanded report copy. The parameter is query (not q). This does not search articles or episodes. Optional market and layer filters. layer=beyond is Attic Beyond. Use attic_list_articles for the article archive.

• attic_statusFree

  Current Attic connector status: API version, the weekly as-of date, the four markets, and the 14 pillars. Call this first when the user asks what week the reports cover.

• Code scan30 source files scanned25/25
• Live reliabilityremote reachable in 901ms20/20
• Tool poisoning18 tool descriptions checked15/15
• Auth qualityAPI key sent as a header8/15
• Maintenanceno repository listed3/15
• Maintainer identityendpoint served from the registry-verified namespace domain8/10

Safety score

79/100

higher than 58% of 48,255 servers

Tools

18

the typical server has 7

Tools that change things

0%

typical: 0%. Fewer write tools means less an agent can break

Uptime

100%

of our recent checks; the typical remote server answers 100%

Response time

170 ms

faster than 69% of 30,031 servers

Attic: common questions

Is Attic MCP server safe?

Mostly: it is graded B (79/100). Read the Attic safety report

How do I install Attic?

It runs remotely at mcp.atticcapital.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Attic need an API key?

Yes. The registry entry asks for ATTIC_API_KEY, X-Attic-Key.

Is Attic maintained?

The latest release is v0.1.1.

Is Attic up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

How does Attic compare with other MCP servers?

safety score 79/100 (higher than 58% of 48,255 servers); tools 18 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.