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com.nclexdrill/agent-toolbox

by nclexdrill.com · remote · no sign-in to list tools · v1.0.0 · published by com.nclexdrill

13 free utility tools for AI agents: web text, markdown, hashing, IDs, dates, units, JSON.

Final · 1Changes · 8
CompareRegistry entry

13 tools: 1 do something that can't be undone, 8 change things and 4 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

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

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

13 tools

Can't be undone 1Claude Code: ask
  • unit_convertConvert 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).No findings

    Why it is in this group

    • The name "unit_convert" says "convert": a word for a change.
    • The input addresses people (input.to): what it sends cannot be taken back.
    Description, as the server wrote it
    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).
Changes things 8Claude Code: ask
  • date_mathDate utilities: now (current UTC time), add (add a duration to a date), diff (difference between two dates), weekday (day name for a date).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Date utilities: now (current UTC time), add (add a duration to a date), diff (difference between two dates), weekday (day name for a date).
  • encode_textEncode text as base64, base64url, url-encoding, or hex.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Encode text as base64, base64url, url-encoding, or hex.
  • hash_textCompute a cryptographic hash of text (sha-256, sha-384, or sha-512), returned as hex.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Compute a cryptographic hash of text (sha-256, sha-384, or sha-512), returned as hex.
  • html_to_textStrip HTML tags/scripts/styles and return clean readable text.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Strip HTML tags/scripts/styles and return clean readable text.
  • markdown_to_htmlConvert Markdown to HTML (headings, bold, italic, code, links, lists, quotes).No findings

    Why it is in this group

    • The description's first verb is "convert": a word for a change.
    Description, as the server wrote it
    Convert Markdown to HTML (headings, bold, italic, code, links, lists, quotes).
  • random_tokenGenerate a cryptographically random token string (for ids, passwords, nonces).No findings

    Why it is in this group

    • The description's first verb is "generate": a word for a change.
    Description, as the server wrote it
    Generate a cryptographically random token string (for ids, passwords, nonces).
  • text_statsText statistics: character/word/sentence counts, reading time, and Flesch reading-ease score.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Text statistics: character/word/sentence counts, reading time, and Flesch reading-ease score.
  • uuid_generateGenerate cryptographically random UUID v4 values.No findings

    Why it is in this group

    • The name "uuid_generate" says "generate": a word for a change.
    Description, as the server wrote it
    Generate cryptographically random UUID v4 values.
Only reads 4Claude Code: allow
  • fetch_page_textFetch a web page (http/https) and return its cleaned readable text, truncated to max_chars.No findings

    Why it is in this group

    • The name "fetch_page_text" says "fetch": a word for reading.
    Description, as the server wrote it
    Fetch a web page (http/https) and return its cleaned readable text, truncated to max_chars.
  • get_termsRead the AgentToolbox Terms of Use (as-is, liability-capped).No findings

    Why it is in this group

    • The name "get_terms" says "get": a word for reading.
    Description, as the server wrote it
    Read the AgentToolbox Terms of Use (as-is, liability-capped). Call this before relying on any tool in production.
  • json_formatValidate JSON and reformat it: pretty (indented), minify, or custom indent width.No findings

    Why it is in this group

    • The description's first verb is "validate": a word for reading.
    Description, as the server wrote it
    Validate JSON and reformat it: pretty (indented), minify, or custom indent width.
  • summarize_textExtractive summary: returns the N most representative sentences of a text, in original order.No findings

    Why it is in this group

    • The name "summarize_text" says "summarize": a word for reading.
    Description, as the server wrote it
    Extractive summary: returns the N most representative sentences of a text, in original order.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

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

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__agent-toolbox__fetch_page_text",
      "mcp__agent-toolbox__summarize_text",
      "mcp__agent-toolbox__json_format",
      "mcp__agent-toolbox__get_terms"
    ],
    "ask": [
      "mcp__agent-toolbox__markdown_to_html",
      "mcp__agent-toolbox__html_to_text",
      "mcp__agent-toolbox__hash_text",
      "mcp__agent-toolbox__encode_text",
      "mcp__agent-toolbox__uuid_generate",
      "mcp__agent-toolbox__date_math",
      "mcp__agent-toolbox__unit_convert",
      "mcp__agent-toolbox__text_stats",
      "mcp__agent-toolbox__random_token"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as agent-toolbox. Review it before you use it.