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DefaultRank MCP server

Which servers in the official MCP registry are DefaultRank'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.defaultrank/mcpverified in the MCP registry

The registry name sits under defaultrank.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 itselfdefaultrank
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-24 the server answered initialize and tools/list without a sign-in. First answer in 68 ms.

Should an agent connect itNot proven either way yet
  • Its tools do every use case we checked: measure how often AI models recommend a developer tool; flag outdated dependency versions in a package.json.
  • Checked on 3 of the 7 days it takes to judge reliability.

Once connected

  • For "measure how often AI models recommend a developer tool", the likely first call is get_tool_pick_rate.
  • For "flag outdated dependency versions in a package.json", the likely first call is check_package_freshness.
  • Parameters are untyped or undescribed in 1 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: 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 2 use cases
  • Answeredmeasuring3 of the 7 daily checks it takes to print a share
  • Median first answer97 ms
  • Space in an agent's context≈ 345 tokensthe definitions of all its tools (3), which an agent carries on every turn
  • Tool definitionsA · 94 of 100
  • Typed results0 of 3 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 1 of 3

What an agent can do with it

  • can do · measure how often AI models recommend a developer tool
  • not sure · check which packages an AI-built app installs
  • can do · flag outdated dependency versions in a package.json

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
  • get_tool_pick_rate

    For a developer tool (product name or npm package, e.g. 'Clerk', 'next-auth', '@supabase/supabase-js'), returns how often 6 AI models recommend it first, mention it, and actually use it in apps they build, with its rank and main…

  • get_category_ranking

    Ranks the tools AI models recommend first and the tools they actually install in AI-built apps, for one category: auth, database or email.

  • check_package_freshness

    Checks dependencies (an object of package name to version range, as in package.json) against the npm registry. Returns packages that are a major version or more behind npm's latest, deprecated packages, and the current major to use…

How to connect

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

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

Add it

Claude Code, in a terminal

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

Add to CursorAdd to VS Code

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