Acronym Expander MCP Server

Expands acronyms or abbreviations into their possible full forms using a built-in list, and provides plausible expansion suggestions for unknown acronyms.

Features

• Returns full forms for well-known acronyms (e.g. NASA, HTML).
• Suggests possible expansions for unknown or custom acronyms based on common word patterns.
• Production quality, fully compatible with Claude Desktop.

Installation

You can install and run with npx:

npx @dennisk2025/acronym-expander-mcp

Or install globally:

npm install -g @dennisk2025/acronym-expander-mcp
acronym-expander-mcp

Adding to Claude Desktop

Add the following to your Claude Desktop config file (claude_desktop_config.json):

{
  "mcpServers": {
    "acronym-expander": {
      "command": "npx",
      "args": ["@dennisk2025/acronym-expander-mcp"]
    }
  }
}

• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Windows: %APPDATA%\Claude\claude_desktop_config.json

Usage

Tool: expand_acronym

Expands a given acronym or abbreviation.

Parameters:

• acronym (string, required): The acronym you want to expand.

Example Calls

Request:

{
  "tool": "expand_acronym",
  "arguments": { "acronym": "NASA" }
}

Response:

{
  "acronym": "NASA",
  "expansions": ["National Aeronautics and Space Administration"],
  "source": "built-in list"
}

Request:

{
  "tool": "expand_acronym",
  "arguments": { "acronym": "ZZZ" }
}

Response:

{
  "acronym": "ZZZ",
  "expansions": [],
  "suggestions": ["Z... Z... Z..."],
  "source": "suggested"
}

Available Tools

expand_acronym

• Description: Returns possible full forms for a given acronym. If the acronym is not in the built-in list, suggests expansions based on word patterns.
• Input Schema:
  • acronym (string, required): The acronym or abbreviation to expand (e.g., "NASA", "HTML").

License

MIT License