String Utility Belt MCP Server

by stringutilitybelt Your server? Claim it

local only

String Utility Belt runs on your own machine — the client starts it, so there is no endpoint to ping. 807 installs a week from npm. Last commit 25 Oct 2026.

MCP server exposing String Utility Belt's utilities and pipelines as tools for AI agents.

Installs per day peak 720 · avg 94 · +48% w/w

a month agotoday

807

Installs / week

npm · @string-utility-belt/mcp

Stars

0 open issues

25 Oct 2026

Last commit

15 releases in 90 days

MIT

License

TypeScript

What the code does

We read the source, 1 h ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Hidden recipient in outgoing message src/presets/extract-unique-emails-from-text/preset.ts:34

        'Cc: [email protected]',

Builds a database query by concatenation src/utilities/guideCheck.ts:89

    else if (href.startsWith('#')) problems.push(`link ${href}: use /util/<id>/ paths, not #/ routes (search engines drop fragments)`)
    else if (!href.startsWith('https://')) problems.push(`link ${href}: link other utilities as /util/<id>/, or use an https:// URL`)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp -- npx -y @string-utility-belt/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@string-utility-belt/mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.mcp]
command = "npx"
args = ["-y", "@string-utility-belt/mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@string-utility-belt/mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@string-utility-belt/mcp"
      ]
    }
  }
}

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String Utility Belt — questions

Answers built from our own checks of this server.

Why is there no uptime for String Utility Belt?

String Utility Belt runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @string-utility-belt/mcp was installed 807 times last week.

How do I connect String Utility Belt?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @string-utility-belt/mcp straight from npm; nothing to host, nothing to sign up for.

How many people use String Utility Belt?

The npm package @string-utility-belt/mcp was installed 807 times in the last week. Week over week that is +48%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is String Utility Belt open source?

Yes — it is published under the MIT licence, written in TypeScript and 4 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.