tmodloader-mcp runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 17 Sep 2026.
Drive a running tModLoader (Terraria) instance from an agent: launch, query, screenshot, read state.
Today is the operative word: we check tmodloader-mcp every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add tmodloader-mcp -- uvx tmodloader-mcp
{
"mcpServers": {
"tmodloader-mcp": {
"args": [
"tmodloader-mcp"
],
"command": "uvx"
}
}
}
[mcp_servers.tmodloader-mcp]
command = "uvx"
args = ["tmodloader-mcp"]
{
"mcpServers": {
"tmodloader-mcp": {
"args": [
"tmodloader-mcp"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"tmodloader-mcp": {
"args": [
"tmodloader-mcp"
],
"command": "uvx"
}
}
}
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Answers built from our own checks of this server.