Advanced Dice Rolling MCP Server

A comprehensive TypeScript-based Model Context Protocol (MCP) server that provides advanced dice rolling capabilities for AI assistants. Perfect for tabletop gaming, RPGs, and any application requiring sophisticated random number generation with gaming mechanics.

🚀 Remote MCP Configuration

MCP Integration URL - Compatible with Claude and ChatGPT Connectors

Use this endpoint for remote MCP connections:

https://dice-rolling-mcp.vercel.app/mcp

Configure in Claude Desktop:

{
  "mcpServers": {
    "dice-rolling-remote": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/client-stdio", 
        "connect", 
        "https://dice-rolling-mcp.vercel.app/mcp"
      ]
    }
  }
}

🛠️ Available Tools & Features

🎲 dice_roll

Roll dice using standard notation with full gaming support

Basic notation: 1d20+5
Advantage/Disadvantage: 2d20kh1
Exploding dice: 3d6!
Rerolls: 4d6r1
Success counting: 5d10>7

✅ dice_validate

Validate and explain dice notation without rolling

Parse complex notation
Explain mechanics
Catch syntax errors
Educational breakdowns

⚠️ Important: For D&D 5e advantage, always use 2d20kh1 (NOT 2d20). The latter adds both dice together (2-40 range) instead of keeping the higher roll (1-20 range).

📋 Quick Reference

Most Common Patterns
                    Basic Rolls
                    1d20 - Single d20
3d6 - Three d6
1d8+3 - d8 plus modifier

                

                    D&D 5e Essential
                    2d20kh1 - Advantage (NOT 2d20)
2d20kl1 - Disadvantage
4d6kh3 - Stat generation

                

                    Special Mechanics
                    3d6! - Exploding 6s
4d6r1 - Reroll 1s
5d10>7 - Count 7+ as successes

                

📖 Complete Dice Notation Guide

Advantage and Disadvantage

⚠️ IMPORTANT: For D&D 5e advantage/disadvantage, use these formats:

2d20kh1 - Advantage (roll 2d20, keep highest 1)
2d20kl1 - Disadvantage (roll 2d20, keep lowest 1)

❌ Wrong: 2d20 (adds both dice = 2-40 range)
✅ Correct: 2d20kh1 (keeps higher die = 1-20 range)

Keep and Drop Mechanics

4d6kh3 - Keep highest 3 of 4d6
4d6kl3 - Keep lowest 3 of 4d6
4d6dh1 - Drop highest 1 (= kl3)
4d6dl1 - Drop lowest 1 (= kh3)

Special Dice

4dF - Fudge dice (-1, 0, +1)
1d% - Percentile die (1-100)
1d2 - Coin flip

Gaming Examples

2d20kh1+7 - Advantage attack +7
8d6 - Fireball damage
1d20+1d4+3 - Check with guidance

🎲 Advanced Dice Rolling MCP Server