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NCLEX Drill MCP server

Which MCP servers are NCLEX Drill'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 2026-10-27

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Whose server it is
  • Registry namecom.nclexdrill/agent-toolboxverified in the MCP registry

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

When we asked itchecked 2026-10-27
  • Stateanswerschecked 2026-10-27
  • Tools13
  • Server calls itselfagent-toolbox
  • Server version0.1.0
  • Protocol version2025-06-18

On 2026-10-27 the server answered initialize and tools/list without a sign-in. First answer in 191 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 1 of the 7 days it takes to judge reliability.

Once connected

  • Parameters are untyped or undescribed in 10 of 13 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: 1, the first on 2026-10-27
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer208 ms
  • Space in an agent's context≈ 993 tokensthe definitions of all its tools (13), which an agent carries on every turn
  • Tool definitionsC · 71 of 100
  • Typed results0 of 13 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 10 of 13
  • Not saying whether it only reads or can destroy: 13 of 13

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 offers13 tools · read 2026-10-27
  • fetch_page_text

    Fetch a web page (http/https) and return its cleaned readable text, truncated to max_chars.

  • summarize_text

    Extractive summary: returns the N most representative sentences of a text, in original order.

  • markdown_to_html

    Convert Markdown to HTML (headings, bold, italic, code, links, lists, quotes).

  • html_to_text

    Strip HTML tags/scripts/styles and return clean readable text.

  • hash_text

    Compute a cryptographic hash of text (sha-256, sha-384, or sha-512), returned as hex.

  • encode_text

    Encode text as base64, base64url, url-encoding, or hex.

  • uuid_generate

    Generate cryptographically random UUID v4 values.

  • date_math

    Date utilities: now (current UTC time), add (add a duration to a date), diff (difference between two dates), weekday (day name for a date).

  • unit_convert

    Convert between units: length (mm/cm/m/km/in/ft/yd/mi), weight (mg/g/kg/oz/lb), temperature (c/f/k), data (b/kb/mb/gb/tb).

  • json_format

    Validate JSON and reformat it: pretty (indented), minify, or custom indent width.

  • text_stats

    Text statistics: character/word/sentence counts, reading time, and Flesch reading-ease score.

  • random_token

    Generate a cryptographically random token string (for ids, passwords, nonces).

  • get_terms

    Read the AgentToolbox Terms of Use (as-is, liability-capped). Call this before relying on any tool in production.

How to connect

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

{
  "mcpServers": {
    "agent-toolbox": {
      "type": "http",
      "url": "https://agent-toolbox-mcp.nclexdrill.workers.dev/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http nclexdrill https://agent-toolbox-mcp.nclexdrill.workers.dev/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://agent-toolbox-mcp.nclexdrill.workers.dev/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.