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Which MCP servers are Tuper's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-11-02

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Whose server it is
  • Registry nameapp.tuper/mapsverified in the MCP registry

The registry name sits under tuper.app. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-11-02
  • Stateanswerschecked 2026-11-02
  • Tools3
  • Server calls itselftuper-maps
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-11-02 the server answered initialize and tools/list without a sign-in. First answer in 491 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: Rotate on-call duty and announce the current person in Slack; Collect and review staff applications and signups inside Discord; Count Shopify inventory by scanning items on a phone.
  • Checked on 4 of the 7 days it takes to judge reliability.

Once connected

  • Parameters are untyped or undescribed in 2 of 3 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-11-02
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • What an agent can do with it0 of 3 use cases
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer491 ms
  • Space in an agent's context≈ 513 tokensthe definitions of all its tools (3), which an agent carries on every turn
  • Tool definitionsB · 89 of 100
  • Typed results0 of 3 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 2 of 3

What an agent can do with it

  • cannot · Rotate on-call duty and announce the current person in Slack
  • cannot · Collect and review staff applications and signups inside Discord
  • cannot · Count Shopify inventory by scanning items on a phone

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers3 tools · read 2026-11-02
  • list_maps

    Catalogue of the editable SVG maps on tuper.app/maps: for each map the place (country, US state, continent), unit (counties, states, provinces...), number of regions, labelled or blank, free or paid with price, page URL and buy link…

  • find_map

    Find maps by place or region name, e.g. "Texas", "Japan", "Ontario", "Cook County", "Europe". Matches map titles and the names of every region inside each map, and returns the matching maps (free first) with the regions that matched.

  • get_free_map

    Returns the SVG source of one free map (blank world, blank US states, blank US counties, blank maps of countries and continents, labelled Switzerland cantons) with its region names. Every region is one <path> with id and data-name, ready…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "maps": {
      "type": "http",
      "url": "https://mcp-maps.tuper.app/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http tuper https://mcp-maps.tuper.app/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://mcp-maps.tuper.app/mcp as a custom connector in the settings.

Other servers listed as Tuper's
  • app.tuper/open-numbersanswers, 3 toolsverified in the MCP registry

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.