A side-by-side look at the Stealth Agent Browser and Urlbox MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Stealth Agent Browser for browser automation work as a local process; choose Urlbox for browser automation as a local process. You can also run both side by side in one mcpServers block.
browser_navigate, browser_snapshot, browser_click.URLBOX_API_KEY, SECRET_KEY, URLBOX_DOWNLOAD_DIR.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Browser Automation | Browser Automation |
| Quality signal | 52/100 · Good | 45/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | API key required |
| Pricing | Not declared | BYOK (pay the provider) |
| Required env vars | None listed | URLBOX_API_KEYSECRET_KEYURLBOX_DOWNLOAD_DIR |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 3 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 13 | Not listed |
| Full listing | View Stealth Agent Browser | View Urlbox |
browser_navigateNavigate a URL and return a snapshot.browser_snapshotaom` (YAML only, cheapest), `vision` (raw screenshot), or `hybrid` (YAML + Set-of-Mark screenshot).browser_clickClick an element by its `[ref=eN]`.browser_typeType into an input/textarea by ref.browser_selectChoose options in a `<select>` by ref.browser_scroll_readScroll and return Readability Markdown (delta-only by default).browser_wait_forWait for text or a ref to become visible.browser_tabslist` / `new` / `close` / `switch`.browser_evalEvaluate a JS expression in the page's MAIN world; JSON result.browser_set_proxyUpdate single-proxy config (effective after `browser_restart`).browser_set_proxy_poolReplace residential proxy pool at runtime (effective after `browser_restart`).browser_solve_captchaFallback captcha solver (CapSolver / 2Captcha). Detects Turnstile/hCaptcha/reCAPTCHA on the page.No tool names declared yet. Check the project README from the listing page.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"stealth-agent-browser": {
"command": "npx",
"args": [
"-y",
"playwright-core"
]
}
}
}
{
"mcpServers": {
"urlbox": {
"command": "npx",
"args": [
"-y",
"@urlbox/screenshot-mcp"
],
"env": {
"URLBOX_API_KEY": "YOUR_URLBOX_API_KEY_HERE",
"SECRET_KEY": "YOUR_SECRET_KEY_HERE",
"URLBOX_DOWNLOAD_DIR": "YOUR_URLBOX_DOWNLOAD_DIR_HERE"
}
}
}
}