tmodloader-mcp server
Drive a running tModLoader (Terraria) instance from an agent: launch, query, screenshot, read state.
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If you have run it, two minutes of your experience saves the next person an afternoon.
tmodloader-mcp tools (25, 2 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
api_searchFind a type, field, property or method in the INSTALLED tModLoader.
build_modCompile the configured mod source into a .tmod.
capturesEvery capture in the save directory, newest last.
commandsWhat this side's mod says it serves, read from the mod itself.
diagAsk one side of the session what it currently sees, parsed.
heartbeatWhy the game is not answering, for both sides at once.
inventoryThe worlds, characters and mods on this machine.
joinBring another character into the session that is already running.
launchStart tModLoader and wait until it can actually answer.
lockedlog_filesWhich logs exist right now, and how many earlier runs are archived.
log_sinceOnly what a log has gained since you last looked.
log_watchBlock until a log line matches, instead of polling `log_since` by hand.
logsTail one of tModLoader's logs, optionally filtered.
prune_captureswrite actionDelete all but the newest `keep` captures, and say which went.
read_captureReturn one capture's PNG as image content.
restartStop, rebuild, and start again with the session's own settings.
save_restoreOverwrite the world and characters with a snapshot.
save_snapshotCopy this world and its characters aside, so a run can be undone.
save_snapshotsEvery snapshot on this machine, newest first, with its age in seconds.
shotCapture a region of the game's own back buffer and return the PNG path.
statusWhether a session is running, and what it is.
stopwrite actionKill only the processes this session started, and confirm they are gone.
triggerAsk the running game to do something, and return what it said.
wait_untilPoll `diag` until one of its fields satisfies a comparison.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
- Code scan15 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Install directly
claude mcp add tmodloader-mcp -- uvx tmodloader-mcp
tmodloader-mcp: common questions
- Is tmodloader-mcp server safe?
- Yes, by our scan: it is graded A (92/100). Read the tmodloader-mcp safety report
- How do I install tmodloader-mcp?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does tmodloader-mcp need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is tmodloader-mcp maintained?
- The last commit was in the last day (2026-09-19). The latest release is v0.6.3.
- What can I use instead of tmodloader-mcp?
- Servers from other publishers that do the same job: FlutterSDK Dusk MCP server, SmartCLI — drive terminal TUIs MCP server and Hunch MCP server. Compare all tmodloader-mcp alternatives.
Alternatives to tmodloader-mcp
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