Malus - Clean Room as a Service
Clean-room rewrite service in Developer tools
People recommend it as sharp satire of AI clean-room relicensing, with many praising its humor and presentation. Critics say it is too close to a real paid offering and raises legal doubts.
People recommend it as sharp satire of AI clean-room relicensing, with many praising its humor and presentation. Critics say it is too close to a real paid offering and raises legal doubts.
77 people gave an opinion
- recommend it
- 19
- criticize it
- 58
- approval share
- 25%
Recommended in 3 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 19 people recommend itNeeds 10 or more, met.
- 0.3 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 3 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Sharp satire of AI relicensing
“The perfect response to the "clean room" AI re-implementation and re-licensing of whatever that library is called.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “The perfect response to the "clean room" AI re-implementation and re-licensing”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “Brilliant satire that foreshadows the future.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” - Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
Wish it existed, good idea
“I unironically want this service to exist.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “I view this as an unmitigated good.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “I'd cheer for a company like this.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” - Comment from 10 Oct 2026 in “REA Reverse – Engineer Anything”
Polished site and memorable name
“this is significantly better than most SAAS websites”
Comment from 13 Mar 2026 in “Malus – Clean Room as a Service” “Honestly kind of a brilliant name.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” Clever per-dependency pricing idea
“it's a brilliant idea that the service charges for whole dependency by package.json”
Comment from 14 Mar 2026 in “Malus – Clean Room as a Service” “if you dropped the sarcasm and I think you'd have a viable business”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
What people warn about
Each mark is one comment
Legal doubts over clean room claims
“since nearly all open source dependencies couple the implementation with type definitions, I'm curious how this could pass the legal bar of the clean room”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “It rewrites code/modules/projects to less restrictive licenses with no legal enforcement mechanisms.”
Comment from 30 Mar 2026 in “Coding Agents Could Make Free Software Matter Again” “Through our offshore subsidiary in a jurisdiction that doesn't recognize software copyright”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” - Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
- Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
Unclear if satire or real
“Sell the same thing you pretend to be satirizing, and HN it's making it go viral for free”
Comment from 13 Mar 2026 in “Malus – Clean Room as a Service” “apparently they will accept your money to do it, which seems to cross the line of a joke”
Comment from 10 Jun 2026 in “Grit: Rewriting Git in Rust with Agents” “Is this service a joke? I'm not even sure after reading the reviews at the bottom there.”
Comment from 20 Mar 2026 in “An update on Steam / GOG changes for OpenTTD” - Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
- Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
Exploits maintainers' work for profit
“instead of paying maintainers who already built the thing you want, we instead charge you to use AI to make countless copies of maintainers’ work”
Comment from 13 Mar 2026 in “Malus – Clean Room as a Service” “So they recreate the open source project by using an llm that was trained in the open source project's source code.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” “Change all your core software library dependencies to be unmaintained ripoff copies of those libraries.”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service” Suspicious testimonials and pricing
“And the testimonials from "Definitely Real Corp", "MegaSoft Industries" and "Profit First LLC" are a bit suspicious”
Comment from 5 Mar 2026 in “Relicensing with AI-Assisted Rewrite” “It does actually generate a price (which is suspiciously like a fixed rate of $1 per megabyte)”
Comment from 12 Mar 2026 in “Malus – Clean Room as a Service”
What people said
40 of the 80 comments that mention it, newest first. Each links to the original comment.
“I've been really inspired by it.”
“apparently they will accept your money to do it, which seems to cross the line of a joke”
“Why would you pay for their service when an AI agent can reproduce that for you?”
“It rewrites code/modules/projects to less restrictive licenses with no legal enforcement mechanisms.”
“A service like Malus doesn't really solve license compliance overhead.”
“Is this service a joke? I'm not even sure after reading the reviews at the bottom there.”
“it's a brilliant idea that the service charges for whole dependency by package.json”
“Of course, it's a serious issue, but I love the sense of humor here”
“this is significantly better than most SAAS websites”
“You can also use this to say copy proprietary software, and make it open source GPL.”
“Sell the same thing you pretend to be satirizing, and HN it's making it go viral for free”
“instead of paying maintainers who already built the thing you want, we instead charge you to use AI to make countless copies of maintainers’ work”
“We offer a commercial license to a worse version of our software that may contain bugs.”
“if you dropped the sarcasm and I think you'd have a viable business”
“Through our offshore subsidiary in a jurisdiction that doesn't recognize software copyright”
“your fork looses the thousands of eyes that spot and fix bugs and security leaks”
“The indemnification is a marketing gimmick to make a legally dangerous service seem safe.”
“For this to be plausible satire, they need to show how they've trained their models to code”
“By having publicity, it becomes vastly more likely that it finds someone who meets the former two criteria”
“The perfect response to the "clean room" AI re-implementation and re-licensing”
“The perfect response to the "clean room" AI re-implementation and re-licensing of whatever that library is called.”
“smells suspiciously like a well positioned gag that is secretly seeking VC attention”
“I unironically want this service to exist.”
“since nearly all open source dependencies couple the implementation with type definitions, I'm curious how this could pass the legal bar of the clean room”
“The 'Firewall' they describe is an illusion because the contamination happens at the training phase”
“Brilliant satire that foreshadows the future.”
“Satire is too dangerous to be presented outside of its community.”
“using this service is itself used in court as evidence for creating a malicious copy”
“I'd cheer for a company like this.”
“So they recreate the open source project by using an llm that was trained in the open source project's source code.”
“i like the motivation but why again and again do you need to write the content of the page with Slop-LLM-GPT?”
“How much human intervention is needed for it to be a real innovation and not llm generated”
“this is unironically amazing”
“Honestly kind of a brilliant name.”
“This is brilliant satire.”
“I don't think you've thought it through.”
“It does actually generate a price (which is suspiciously like a fixed rate of $1 per megabyte)”
“I view this as an unmitigated good.”
“Change all your core software library dependencies to be unmaintained ripoff copies of those libraries.”
“And the testimonials from "Definitely Real Corp", "MegaSoft Industries" and "Profit First LLC" are a bit suspicious”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.