lemonadesaltbagel/crab
CRAB (Clean Rebuild of Anything's Behavior): rebuild software from behavior, not source code. An MCP-powered toolkit for black-box observation, clean-room reimplementation, and behavioral verification
- Stars
- 160
- Forks
- 26
- Open issues
- 0
- Last push
- today
Can I sell what I build with it?
Yes
A guide, not legal advice.
About crab
crab is a free, open-source AI agent tool by lemonadesaltbagel, written mainly in Python. CRAB (Clean Rebuild of Anything's Behavior): rebuild software from behavior, not source code. An MCP-powered toolkit for black-box observation, clean-room reimplementation, and behavioral verification. It has 160 GitHub stars and 26 forks, and was last updated today. It's released under the Apache-2.0 license, a standard open-source license.
- License
- Apache-2.0
- Commercial use
- Commercial OK
- Language
- Python
- Stars
- 160
- Last update
- today
- Runs on Mac
- Not stated
- GPU
- Not stated
- Paid API key
- Not stated
- Self-hostable
- Yes
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crab FAQ
Can I use crab commercially?
Yes. Apache-2.0 is a permissive license: commercial use is allowed as long as you keep the license notice. This is a plain-English summary, not legal advice.
Is crab free?
Yes. crab is open source and free to use. It's released under the Apache-2.0 license, a standard open-source license.
Does crab run on a Mac?
The project doesn't say. Check its installation guide before you start.
Does crab need a GPU?
The project doesn't state hardware needs. AI models generally run much faster with a GPU.
Is crab still maintained?
Yes. It was last updated today and has 0 open issues on GitHub.
What are alternatives to crab?
Similar free, open-source tools include rea, hermes-agent, langflow, mem0.
Maintain crab?
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