Word of the Day MCP Server

A Model Context Protocol (MCP) server that provides word definitions and random word-of-the-day functionality using the amazing Free Dictionary API! 🎉

🙏 Special Thanks

Huge shoutout to the Free Dictionary API team for providing this incredible, free, and open-source dictionary service! This project wouldn't be possible without their fantastic API that delivers comprehensive word definitions, pronunciations, examples, and more.

API Endpoint: https://api.dictionaryapi.dev/api/v2/entries/en/<word>

Related MCP server: Semantic Scholar MCP Server

Features

• Get Word Definition: Fetch comprehensive definitions, pronunciations, meanings, and examples for any English word

• Random Word of the Day: Get a random word with its definition, categorized by difficulty level

• Rich Information: Includes phonetic pronunciation, part of speech, examples, synonyms, antonyms, and etymology when available

Installation

1. Clone or download this project

2. Install dependencies:

   npm install

3. Build the project:

   npm run build

Usage

As an MCP Server

The server is configured to run via the MCP protocol. Add it to your MCP client configuration:

{
  "mcpServers": {
    "word-of-the-day": {
      "command": "node",
      "args": ["dist/index.js"],
      "cwd": "/path/to/Word_of_the_day"
    }
  }
}

🛠️ Available MCP Tools

This server provides two powerful tools for vocabulary enhancement:

📖 get_word_definition

Description: Get comprehensive definitions, pronunciations, and meanings of any English word using the Dictionary API.

Input Schema:

{
  "type": "object",
  "properties": {
    "word": {
      "type": "string",
      "description": "The word to get the definition for"
    },
    "language": {
      "type": "string", 
      "description": "Language code (default: en)",
      "default": "en"
    }
  },
  "required": ["word"]
}

Example Usage:

{
  "name": "get_word_definition",
  "arguments": {
    "word": "serendipity"
  }
}

Sample Response:

**serendipity**

**Pronunciation:** /ˌsɛɹənˈdɪpɪti/

**Meanings:**

1. **noun**
   1. An unsought finding or discovery; a pleasant surprise.
      *Example: "A fortunate stroke of serendipity brought the two old friends together."*
   2. The faculty or phenomenon of finding valuable or agreeable things not sought for.

**Audio Pronunciation:**
1. https://api.dictionaryapi.dev/media/pronunciations/en/serendipity-us.mp3

🎲 get_random_word

Description: Get a random word with its complete definition for daily vocabulary building, categorized by difficulty level.

Input Schema:

{
  "type": "object",
  "properties": {
    "difficulty": {
      "type": "string",
      "enum": ["easy", "medium", "hard"],
      "description": "Difficulty level of the random word",
      "default": "medium"
    }
  },
  "required": []
}

Example Usage:

{
  "name": "get_random_word",
  "arguments": {
    "difficulty": "hard"
  }
}

Sample Response:

**surreptitious** 🕵️

**Pronunciation:** /ˌsʌɹɪpˈtɪʃəs/

**Meanings:**

1. **adjective**
   1. Stealthy, furtive, well hidden, covert (especially movements).

**Audio Pronunciation:**
1. https://api.dictionaryapi.dev/media/pronunciations/en/surreptitious-us.mp3

Difficulty Levels:

• Easy: Common everyday words (happy, house, water, light, music, friend)

• Medium: Sophisticated vocabulary (serendipity, eloquent, resilient, magnificent)

• Hard: Advanced vocabulary (ephemeral, ubiquitous, perspicacious, surreptitious)

📚 API Integration

This server integrates with the Free Dictionary API - a completely free, open-source dictionary API that requires no authentication!

Why We Love This API:

• ✅ Completely FREE - No API keys or rate limits

• ✅ Open Source - Community-driven project

• ✅ Comprehensive Data - Rich word information

• ✅ No Authentication - Just make requests and get data!

The API provides:

• Word definitions and meanings

• Phonetic pronunciations (text and audio)

• Part of speech information

• Usage examples

• Synonyms and antonyms

• Etymology/origin information

Word Difficulty Levels

• Easy: Common everyday words (happy, house, water, etc.)

• Medium: More sophisticated vocabulary (serendipity, eloquent, resilient, etc.)

• Hard: Advanced vocabulary (ephemeral, ubiquitous, perspicacious, etc.)

Development

• Development mode: npm run dev

• Build: npm run build

• Start: npm start

Example Response

When you request the definition of "hello", you'll get:

**hello**

**Pronunciation:** həˈləʊ, hɛˈləʊ

**Origin:** early 19th century: variant of earlier hollo ; related to holla.

**Meanings:**

1. **exclamation**
   1. used as a greeting or to begin a phone conversation.
      *Example: "hello there, Katie!"*

2. **noun**
   1. an utterance of 'hello'; a greeting.
      *Example: "she was getting polite nods and hellos from people"*

3. **verb**
   1. say or shout 'hello'.
      *Example: "I pressed the phone button and helloed"*

**Audio Pronunciation:**
1. //ssl.gstatic.com/dictionary/static/sounds/20200429/hello--_gb_1.mp3

Error Handling

The server gracefully handles:

• Words not found in the dictionary

• API connection issues

• Invalid parameters

• Network timeouts

License

This project is open source and available under the MIT License.

Made with ❤️ by Traves Theberge