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NC Keys MCP server

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

read 2026-10-24

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Whose server it is
  • Registry namecom.nckeys/listingsverified in the MCP registry

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

When we asked itchecked 2026-10-24
  • Stateanswerschecked 2026-10-24
  • Tools3
  • Server calls itselfnckeys
  • Server version2026-09-30d
  • Protocol version2025-06-18

On 2026-10-24 the server answered initialize and tools/list without a sign-in. First answer in 189 ms.

Should an agent connect itNot proven either way yet
  • Its tools do Find rental and sale listings by region and budget; Browse new property listings posted from local Telegram channels, but not Contact listing owners or agents directly through the Telegram bot.
  • Checked on 3 of the 7 days it takes to judge reliability.

Once connected

  • For "Find rental and sale listings by region and budget", the likely first call is search_listings.
  • For "Browse new property listings posted from local Telegram channels", the likely first call is search_listings.

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: 3, the first on 2026-10-24
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 3 so far
  • What an agent can do with it2 of 3 use cases
  • Answeredmeasuring3 of the 7 daily checks it takes to print a share
  • Median first answer609 ms
  • Space in an agent's context≈ 1,098 tokensthe definitions of all its tools (3), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results3 of 3 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • can do · Find rental and sale listings by region and budget
  • can do · Browse new property listings posted from local Telegram channels
  • cannot · Contact listing owners or agents directly through the Telegram bot

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 (30%), doing the product's job (25%), definitions (20%), context (10%) and use (15%). 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 2026-10-24
  • search_listings

    Search current property listings in Northern Cyprus. All filters are optional and accept English, Russian or Turkish spellings (e.g. region 'Kyrenia' or 'Гирне'). Returns up to `limit` listings (featured first, then newest by default)…

  • get_listing

    Full details of one listing by id (e.g. 'c-152' or 'b-7'): full description, photos, dates. If `latest_id` is set, this is an older copy of a reposted listing — use the newest one instead.

  • list_regions

    Regions and areas of Northern Cyprus with the number of current listings (rent and sale), names in English and Russian. Use to pick `region` / `sub_region` for search_listings.

How to connect

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

{
  "mcpServers": {
    "listings": {
      "type": "http",
      "url": "https://nckeys.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http nckeys https://nckeys.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://nckeys.com/mcp as a custom connector in the settings.

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.