MCP Character Counter

What is MCP Character Counter?

MCP Character Counter is a lightweight Model Context Protocol (MCP) server that provides detailed character analysis for text. It counts total characters, characters without spaces, letters, numbers, and symbols. It is intended for developers using MCP‑compatible AI assistants such as Claude Desktop or GitHub Copilot.

How to use MCP Character Counter?

Install Node.js v17 or higher, clone the repository, run npm install, then add a server configuration to your MCP client (e.g., Claude Desktop’s claude_desktop_config.json or VS Code’s Copilot MCP settings). After restarting the client, ask the AI to analyze text, for example: “Count the characters in this paragraph” or “How many numbers are in this text: ‘123 Main St, Apt 45B’?”.

Key features of MCP Character Counter

• Count total characters in text
• Count characters excluding spaces
• Count letters (a‑z, A‑Z)
• Count numbers (0‑9)
• Count symbols (non‑alphanumeric characters)
• Detailed breakdown of character types

Use cases of MCP Character Counter

• Quickly count the number of characters in a paragraph for length limits
• Determine how many numbers appear in a mixed alphanumeric string
• Analyze the character composition of an email address or other text
• Aid in text formatting or validation tasks inside an AI assistant

FAQ from MCP Character Counter

What tool does MCP Character Counter expose?

It exposes a single tool called count-characters-in-text that accepts text input and returns a detailed character analysis.

Which clients are supported?

Claude Desktop, GitHub Copilot, and any other MCP‑compatible client that supports stdio transport.

What are the system requirements?

Node.js v17 or higher is required. No additional dependencies are needed beyond those installed via npm install.

Does MCP Character Counter store or transmit any data?

No. The server runs locally and only processes the text provided by the user; there is no mention of data storage or external transmission.

How do I install and configure it?

Clone the repository, run npm install, then add a server block (e.g., "character-counter": { "command": "node", "args": ["/absolute/path/to/character-counter.js"] }) to your MCP client’s configuration file and restart the client.