Use Tabletop RPG Mechanics Engine with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Deterministic mathematical resolution for TTRPG mechanics like D&D 5e.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 4 capabilities
The complete Tabletop RPG Mechanics Engine capability set.
These are the exact actions your AI can choose when you ask it to work with Tabletop RPG Mechanics Engine.
01-04
4 capabilities in this set.
Part of 4 available through Tabletop RPG Mechanics Engine.
- 01
Calculate damage
Resolves the final damage value of an attack or spell
- 02
Simulate roll outcome
Determines the outcome of a d20 roll, accounting for advantage or disadvantage
- 03
Update spell slots
Manages the consumption of spell resources
- 04
Resolve ability check
Calculates the total modifier and the resulting proficiency bonus for a specific action
Observed, not estimated
800ms average. Fast in production.
Tabletop RPG Mechanics Engine is checked daily against the live service.
- Fastest day
- 702ms
- Slowest day
- 944ms
- 14-day trend
- Slowing+23%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Tabletop RPG Mechanics Engine, so you can see the experience inside your AI.
It does not authenticate your account with Tabletop RPG Mechanics Engine. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Tabletop RPG Mechanics Engine Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_uQTR4sOxoVg9l8aL7VFhn6ul3n3TlnmJljmLF7A7/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Tabletop RPG Mechanics Engine capabilities are ready to use.
{
"mcpServers": {
"tabletop-rpg-mechanics-engine-mcp": {
"url": "https://edge.vinkius.com/vk_preview_uQTR4sOxoVg9l8aL7VFhn6ul3n3TlnmJljmLF7A7/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Tabletop RPG Mechanics Engine owners ask.
- 01
How does the engine handle advantage and disadvantage?
The simulate_roll_outcome capability calculates the result by picking the highest value for advantage or the lowest value for disadvantage from two d20 rolls.
- 02
Can I calculate damage with resistances?
Yes, the calculate_damage capability allows you to specify if a target has resistance or vulnerability to adjust the final damage value.
- 03
How are proficiency bonuses determined?
Proficiency bonuses are determined by character level through the resolve_ability_check capability.
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