fermi.exposed

Receipts

Everything here is already public.

This site is a takedown of claims Fermi and Harmony publish. It quotes their marketing, GitHub/Codeberg files, blog posts, and Reddit threads. If a post is edited later, the URL still names the document they chose to ship.

Official Fermi / Harmony

  1. fermi.chat · live client homepage, “Join today!”, screenshots, Harmony guild link
  2. src/webpage/index.html · welcomeJank, compatableInstances, “requestion features”, duplicate box4title, theme #4b458c
  3. src/webpage/home.ts · console.log / console.warn, warnOffiline
  4. instances.json · Harmony displayed, Spacebar display: false
  5. README.md · AI ban, “compatable”, “dirrectly”
  6. LICENSE · GNU AGPL v3
  7. package.json · version 0.0.1, license GPL-3.0
  8. CODE_OF_CONDUCT.md
  9. CONTRIBUTING.md
  10. SECURITY.md · no stable releases
  11. InstanceInfo.md · “wether”, “ISO 8166-2”
  12. Dbadges.ts · Discord public_flags catalog (HypeSquad, Nitro, boosters, quests)
  13. src/index.ts · JANK_INSTANCES_PATH
  14. codeberg.org/MelodyChat/Fermi · canonical repo
  15. codeberg.org/MelodyChat/Harmony
  16. Harmony CONTRIBUTING.MD · no AI-generated, AI-assisted, or machine-generated contributions
  17. docs.melodychat.org · cannot chat with discord.com users; support on a discord.com guild
  18. melodychat.org
  19. Translating:Fermi · AGPL v3
  20. User:MathMan05 · Jank Client origin, they/them
  21. Wikimedia T400966 · JankClient renamed to Fermi
  22. Liberapay / Mathium05

Blog

  1. blog.fermi.chat
  2. What are the Discord Alternatives?
  3. Spacebar, a Story of Mismanagement · March 29, 2026 ban, two-week fork, June 2026 AI-fork addendum
  4. What's the deal with Harmony?
  5. What's the deal with Revolt/Stoat?
  6. Fermi and Harmony, the Future
  7. The State of Fermi · empty instance, unfinished client
  8. Logging Out, Bundling, Large Profiles
  9. Mentions Saving… · “nearly 2 years,” “run out of things to implement”
  10. Feature chart · abandoned

Reddit, public

  1. u/MathManrm
  2. r/fermichat
  3. r/selfhosted: This week in Fermi, Passkey 2FA… · “Fermu” typo, ~10 upvotes
  4. r/selfhosted: Weekly Fermi/Spacebar updates
  5. r/selfhosted: DM Fixes, Mentions…

Also used

  1. github.com/MathMan05/Fermi · GitHub mirror, ~343 stars vs 13 on Codeberg at research time
  2. Android Client issue #288
  3. Official homepage screenshot, stored here as exhibit-client.webp, originally SS1.webp

Editorial illustrations on this site are original. They are not photographs of Mathium05.