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InvokeIndex

The tools agents can call

151,644 unique MCP servers across ten major directories and registries, each with its sources and history.

Each server counts once, however many directories list it. Glama, PulseMCP and mcp.so listings arrive through MCP Toplist’s open dataset, used under CC BY 4.0. 13,989 listings from bulk publishers wait for review.

Check my InvokeRankUpdated How we collect
Google CalendarShopifyMicrosoft LearnICD-10 CodesTrivagoSlidesGPT
QuartrParallel SearchSlickTripArticulateDeel
Kindora Funder DiscoveryGraphOS MCP ToolsTravExpCivitatispg-aiguideDataCamp
Brek - Hotel Wholesale BookingAthenaHQDocfarmClutch.coOnChainDiligence

Official MCP Registry (38,224)

Plus 547 listings grouped under these serversPage 242 of 1,593

Latest changes

Typed diffs between observations
  1. NOSTOS Official MCP Registry search_inventory: input schema changed (+onlineOnly)
  2. NOSTOS Official MCP Registry search_inventory: description changed (+"(accents optional)" +"for sale online and in the Duluth shop, title matches first; each says how to buy it (howToBuy)." -"online-buyable")
  3. NOSTOS Official MCP Registry lookup_market_price: title changed
  4. NOSTOS Official MCP Registry lookup_market_price: description changed (+"What NOSTOS would pay for one game or console, in cash and in store credit, by condition" +"box" +"game, new),")
  5. NOSTOS Official MCP Registry lookup_market_price: annotations changed
  6. NOSTOS Official MCP Registry get_trade_in_offer_estimate: input schema changed
  7. NOSTOS Official MCP Registry get_trade_in_offer_estimate: description changed (+"up to 25" +"someone wants" +"sell. Name each item, its platform and its condition; NOSTOS prices every line itself, reports any it isn't buying, and says whether the free prepaid label applies")
  8. NOSTOS Official MCP Registry get_shipping_estimate: input schema changed (-item_count)
  9. NOSTOS Official MCP Registry get_shipping_estimate: description changed (+"international): the US rates and free-shipping rule, Canada's flat rate, and" +"label." -"international), including")
  10. NOSTOS Official MCP Registry get_item: description changed (+"how to buy it (online or in the shop only), and" -"and" -"plus")
  11. NOSTOS Official MCP Registry check_availability: description changed (+"SKUs: available (online and in the shop), available-in-store-only, reserved, sold, or invalid." -"(available, reserved, sold, or invalid)" -"SKUs at once.")
  12. NOSTOS Official MCP Registry server instructions changed (+"graded" +"Some items are sold only in the shop; each item's howToBuy says which, and you should repeat it rather than send someone to buy a shop-only item online." +"says what")

Coverage

Directory listings
57,610
Brands resolved
23,471
On two or more hosts
5,359
Remote MCP servers
26,195
Tools listed by probe
10,196 servers

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