just-bash
Bash for agents: a virtual, in-memory bash interpreter and filesystem that runs an agent's shell tools without a container.
just-bash scores 5.9/10 (Solid) in Sandboxes & Runtimes.
Language TypeScript License No license (all rights reserved) Stars 3.9k★ Type library Self-host Yes Repo vercel-labs/just-bash
Quality
Solid 5.9
Adoption 40
Activity 66
Maturity 72
Community 34
Capability 50
Show the math
Overall 5.9/10
value = 5.9/10
score = value
Adoption 4.6/10
value = 39.8/100
score = 1 + 9 * value / 100
Activity 7/10
value = 66.4/100
score = 1 + 9 * value / 100
Maturity 7.5/10
value = 72.2/100
score = 1 + 9 * value / 100
Community 4.1/10
value = 33.9/100
score = 1 + 9 * value / 100
Capability 5.5/10
value = 50/100
score = 1 + 9 * value / 100
Key metrics
3.9k★ GitHub stars
52/90d Recent commits
12 devs/90d Recent contributors
6mo Project age
active Last commit
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- New project
New (6mo)
Created within the last year — promising but less battle-tested.
- No license
No OSS license
No recognized open-source license is declared; using it commercially is legally ambiguous.
- Self-hosted
Self-hosted
You deploy and operate it yourself; there is no hosted option here.
typescript bash sandbox virtual-filesystem agents in-memory