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tmodloader-mcp server

by musharna·io.github.musharna/tmodloader-mcp·v0.6.3

Drive a running tModLoader (Terraria) instance from an agent: launch, query, screenshot, read state.

A92/100grade A
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A92/100

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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 posts

Read from the package source without running it. The installed server may list more.

  • api_search

    Find a type, field, property or method in the INSTALLED tModLoader.

  • build_mod

    Compile the configured mod source into a .tmod.

  • captures

    Every capture in the save directory, newest last.

  • commands

    What this side's mod says it serves, read from the mod itself.

  • diag

    Ask one side of the session what it currently sees, parsed.

  • heartbeat

    Why the game is not answering, for both sides at once.

  • inventory

    The worlds, characters and mods on this machine.

  • join

    Bring another character into the session that is already running.

  • launch

    Start tModLoader and wait until it can actually answer.

  • locked
  • log_files

    Which logs exist right now, and how many earlier runs are archived.

  • log_since

    Only what a log has gained since you last looked.

  • log_watch

    Block until a log line matches, instead of polling `log_since` by hand.

  • logs

    Tail one of tModLoader's logs, optionally filtered.

  • prune_captureswrite action

    Delete all but the newest `keep` captures, and say which went.

  • read_capture

    Return one capture's PNG as image content.

  • restart

    Stop, rebuild, and start again with the session's own settings.

  • save_restore

    Overwrite the world and characters with a snapshot.

  • save_snapshot

    Copy this world and its characters aside, so a run can be undone.

  • save_snapshots

    Every snapshot on this machine, newest first, with its age in seconds.

  • shot

    Capture a region of the game's own back buffer and return the PNG path.

  • status

    Whether a session is running, and what it is.

  • stopwrite action

    Kill only the processes this session started, and confirm they are gone.

  • trigger

    Ask the running game to do something, and return what it said.

  • wait_until

    Poll `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

no findings
  • 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
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add tmodloader-mcp -- uvx tmodloader-mcp
Add to Cursor

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?
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