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String MCP server

by rog0x·io.github.rog0x/string·v1.0.2
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String analyzer, diff, templates for AI agents

B72/100grade B
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B72/100

full report

Adoption
New

0 stars33 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

String tools (5)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • analyze_string

    Analyze text to get character count, word count, sentence count, paragraph count, reading time, Flesch-Kincaid reading level, unique words, most common words, and longest word.

  • diff_strings

    Compare two strings showing additions, deletions, and unchanged segments with positions. Supports character-level, word-level, and line-level diff modes.

  • generate_slug

    Generate a URL-friendly slug from text. Removes special characters, lowercases, replaces spaces with hyphens, transliterates accented characters. Configurable separator and max length.

  • render_template

    Render a template string by replacing {{variables}} with values from a data object. Supports {{#if var}}...{{#else}}...{{/if}} conditionals and {{#each arr}}...{{/each}} loops with {{this}}, {{@index}}, and {{this.prop}}.

  • transform_string

    Transform text with operations: remove_duplicate_lines, remove_extra_whitespace, extract_emails, extract_urls, extract_phone_numbers, mask_sensitive_data, truncate, wrap_text.

Public scan report

scanner v0.1.10 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan20 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 190 days ago4/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 72/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install String in Claude Code, Cursor or VS Code

Runs npx -y @rog0x/mcp-string-tools on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add string -- npx -y @rog0x/mcp-string-tools
Add to Cursor

What the publisher says

From the String repository's README, as published. We do not edit it. Read it on GitHub

@rog0x/mcp-string-tools

Advanced string manipulation tools for AI agents, served over the Model Context Protocol (MCP).

Tools

analyze_string

Analyze text to get detailed metrics:

  • Character count (with and without spaces)
  • Word, sentence, and paragraph counts
  • Estimated reading time
  • Flesch-Kincaid reading level score and grade
  • Unique word count and most common words
  • Longest word

transform_string

Transform text with various operations:

  • removeduplicatelines - Remove duplicate lines from text
  • removeextrawhitespace - Collapse extra whitespace and blank lines
  • extractemails** - Extract all email addresses from text
  • extracturls** - Extract all URLs from text
  • extractphonenumbers - Extract phone numbers from text
  • masksensitivedata - Mask emails, phone numbers, and credit card numbers
  • truncate - Truncate text with ellipsis at word boundaries
  • wraptext** - Wrap text at a specified column width

diff_strings

Compare two strings and see the differences:

  • character mode - Character-by-character diff
  • word mode - Word-by-word diff (default)
  • line mode - Line-by-line diff
  • Shows additions, deletions, and unchanged segments with positions

render_template

Simple template engine:

  • Replace {{variables}} with values from a JSON data object
  • Conditionals: {{#if var}}...{{#else}}...{{/if}}
  • Loops: {{#each arr}}...{{this}}...{{@index}}...{{/each}}
  • Nested property access: {{user.name}}

generate_slug

Generate URL-friendly slugs:

  • Transliterates accented characters (e.g., cafe from cafe)
  • Removes special characters
  • Configurable separator (default: -)
  • Optional max length with clean truncation
  • Optional lowercase toggle

Setup

npm install
npm run build

Usage with Claude Desktop

Add to your claudedesktopconfig.json:

{
  "mcpServers": {
    "string-tools": {
      "command": "node",
      "args": ["D:/products/mcp-servers/mcp-string-tools/dist/index.js"]
    }
  }
}

License

MIT

Nothing above is checked by us. What we check is on the safety report.

String: common questions

Is String MCP server safe?
Mostly: it is graded B (72/100). Read the String safety report
How do I install String?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does String need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is String maintained?
The last commit was 206 days ago (2026-03-21). The latest release is v1.0.2.

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