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Stackduke MCP server

Which MCP servers are Stackduke'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 2026-10-29

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Whose server it is
  • Registry namecom.stackduke/radarverified in the MCP registry

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

When we asked itchecked 2026-10-29
  • Stateanswerschecked 2026-10-29
  • Tools4
  • Server calls itselfstackduke-radar
  • Server version0.1.0
  • Protocol version2025-06-18

On 2026-10-29 the server answered initialize and tools/list without a sign-in. First answer in 109 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.
  • Checked on 4 of the 7 days it takes to judge reliability.

Once connected

  • Parameters are untyped or undescribed in 1 of 4 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 2026-10-29
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer72 ms
  • Space in an agent's context≈ 891 tokensthe definitions of all its tools (4), which an agent carries on every turn
  • Tool definitionsA · 96 of 100
  • Typed results4 of 4 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 1 of 4

What an agent can do with it

  • not sure · Hold risky agent actions until a reviewer approves them
  • not sure · Block tool calls that break policy before they run
  • not sure · Review changed MCP tools before they reach production

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 offers4 tools · read 2026-10-29
  • list_tracked_servers

    Lists the official vendor MCP servers that Stackduke's public tracker follows. For each: its tool count, its tools counted by kind (money, destructive, send, write, unclear, read), when it was last checked and when its tools were last…

  • get_server_capabilities

    Gives the tool names on one tracked vendor MCP server, grouped by the most serious thing each tool is counted as able to do: money (move or spend money), destructive (changes that cannot be undone, such as deleting), send (send messages…

  • get_recent_changes

    Gives the changes seen to one tracked vendor MCP server's tool list in the last 1 to 30 days (default 7): tools added and removed, tools changed with the fields that changed (title, description, input or output schema, annotations), and…

  • find_tool

    Finds which tracked vendor MCP servers list a tool with a given name, and the kind each is counted as. By default it matches the whole name, ignoring case; with match set to 'contains' it finds names containing the text (at least 3…

How to connect

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

{
  "mcpServers": {
    "radar": {
      "type": "http",
      "url": "https://radar.stackduke.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http stackduke https://radar.stackduke.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://radar.stackduke.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.