EasyChatDM MCP Server

Example MCP Server tools for playing D&D with generative AIs. This project is for educational purposes so little attention is given to good code

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What is the EasyChatDM MCP server?

Example MCP Server tools for playing D&D with generative AIs. This project is for educational purposes so little attention is given to good code design. The easychatdm mcp server wraps that behind the Model Context Protocol, so an assistant can use it rather than through you.

What it actually does

Example MCP Server tools for playing D&D with generative AIs. These tools are oracles that are used to determine random yes/no questions but also descriptions, events, NPCs, etc. They are "random tables" to use when you want to introduce some uncertainty, twists and turns, and randomness to your gaming. This project is for educational purposes, so little attention is given to good code design.

Adding it to your client

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

Configuration

You will need one environment variable: JDBC_DATABASE_URL. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the easychatdm mcp server does with a few real requests.

When to reach for it

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. It is maintained by cote; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against EasyChatDM's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Configuration

VariableDescriptionRequired
JDBC_DATABASE_URLEndpoint or connection string the server talks to.Yes

Frequently asked questions

Yes. Set the system property `easychatdm.db.type` to `postgres` and provide the required PostgreSQL connection details (URL, username, password) to switch from the default SQLite to PostgreSQL.