mcp-server

jev-browser

Name: jev-browser
Author: Ying-Kai-Liao

Browser automation where an LLM plans and Jev (Typesafe System One) decides. Library, CLI and MCP server.

126 stars+3★ this week24 forksJavaScriptUpdated 10/17/2026100% free · open source

About this skill

Browser automation where an LLM plans and Jev (Typesafe System One) decides. Library, CLI and MCP server.

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/jev-browser && curl -fsSL https://workflowstacks.com/api/skills/jev-browser/claude-skill -o ~/.claude/skills/jev-browser/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How jev-browser works

Codeflow

Free to inspect

Jev-browser is a medium JavaScript project (~4.7k lines across 18 code files, plus 9 test files). You install it into your AI tool with one command; there is nothing to run yourself. Last commit this month, MIT license, has a test suite.

Size

Medium codebase

~4.7k lines · 18 code files · 39 min skim

Setup

Install as a skill / plugin

Add it to Claude Code (or your AI tool) with one command — 1 skill inside. Nothing to run yourself.

Runs on

Inside your AI tool

Helper scripts use Node.js · needs API keys

JavaScript 100%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
src/index.mjs
Where the program starts running
3
.env.example
The API keys and settings you must provide
4
examples/claude-code-mcp.json
A worked example — copy this to get going

What's in each folder

src/Core code — the actual logic8 files

skills/Prompts, skills & agent definitions1 files

bin/Command-line entry points3 files

examples/Examples you can copy6 files

bench/Folder4 files

.claude-plugin/Plugin manifest — what gets installed2 files

scripts/Helper scripts1 files

test/Tests — proof it works9 files

READMEHas testsDocumentedCI checksExamples includedMIT licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

⚡ Runs out of the box

A prompt/skill package — nothing to install beyond adding it to your AI tool.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/jev-browser && curl -fsSL https://workflowstacks.com/api/skills/jev-browser/claude-skill -o ~/.claude/skills/jev-browser/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

Ying-Kai-Liao

Language

JavaScript