Jev Browser
Connect typed decisions to browser capability selection with a visible trace.
235 stars18 forks
jkudishjkudish
Build · Automation
Choose the next browser action
Constrain an agent to a typed menu of browser moves instead of free-form tool text.
A build kit informed by Browser Use's source-verified Jev implementation; no run was performed by JevSkills.
JevSkills take · Why it mattersA small allowed-action set makes automation easier to inspect and safer to stop.
- OUTCOME
- Constrain an agent to a typed menu of browser moves instead of free-form tool text.
- DIFFICULTY
- Advanced
- ESTIMATED TIME
- Not recorded
- VERIFICATION
- Source checked
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Prompt text
Build a mock-first Jev prototype for this outcome: Choose a permitted browser action from visible page state Read the current source first: https://github.com/browser-use/jev-ultrafast Define explicit choices, keep the provider key server-only, include an uncertain path, and test fixture behavior before any live call.
What is this?
Choose the next browser action
A build kit informed by Browser Use's source-verified Jev implementation; no run was performed by JevSkills.
JevSkills take
Why we selected it.
A small allowed-action set makes automation easier to inspect and safer to stop.
Architecture / flow
Keep the decision boundary inspectable.
- Source workflow input
- Jev returns a typed decision
- Your application owns the next permitted action
Expected output
What you'll build.
Constrain an agent to a typed menu of browser moves instead of free-form tool text.
How to try it
Start with the original source.
- Open the attributed source and check its current instructions.
- Use the documented setup and keep the next action in your own code or agent workflow.
Requirements
What this source calls for.
- See the original source for current requirements and costs.
JevSkills verification
What JevSkills tested.
Source checked
- Source check
- Canonical source, creator and claims checked. Checked 2026-09-22.
- Practical test
- Not independently tested.
- What JevSkills tested
- Canonical source and setup claims were checked; JevSkills did not install or make a live provider call.
Sources
Trace it back.
Traction: 16,849 stars · 1,064 forks, observed 2026-09-22.
Open JevSkills editorialRelated resources
Keep the useful context nearby.
Jev MCP
Expose typed classify, score, check, and ask tools to an MCP client.
255 stars27 forks
jkudishjkudish