Jumli

Check a RimWorld mod list for compatibility or other issues with JuMLi, a modlist checking tool.

github.com/sysrqmagician/jumli
Jumli homepage screenshot

About Jumli

JuMLi (Judge My List) is a database and modlist checking tool for the RimWorld modding community. It checks a mod list for compatibility and other issues and generates HTML and JSON mod reports.

It matches mods by Workshop ID and Package ID against datasets from jumli_data and Use This Instead, flagging performance, stability, alternative, and miscellaneous notices.

Key features

  • Checks RimWorld mod lists against known-issue database
  • Generates HTML and JSON mod reports
  • Matches mods by Workshop ID and Package ID
  • Flags performance, stability, alternative, and miscellaneous notices
  • Builds index from jumli_data and Use This Instead
  • Includes schema validation tool for dataset contributions
Best for: RimWorld players who want to check a mod list for known issues.
Good for
  • Open-source code under GPL-3.0 with datasets under CC0 1.0
  • Produces both HTML and JSON reports
  • Combines community datasets with Use This Instead data

Jumli at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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