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ego-browser (ego-lite) is a Chromium-based browser designed from the ground up to be friendly to both human users and AI Agents. AI Agents work in their own isolated space, reusing the user's login state without competing for the browser.
Passed 13 of 18 test cases with the skill, and 6 of 18 without it.
and 6 more in the full report
8 fixed8 passed either way7 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to run a multi-line Node.js browser automation script using a CLI tool to inspect https://example.com/status and print its page snapshot. Provide the exact bash command line execution.
| Checked | Without skill | With skill |
|---|---|---|
| Passes the Node.js script to the CLI using heredoc or inline string flags. | Passed | Passed |
| Captures page state using page.snapshot() rather than visual screenshots. | Missed | Passed |
The instructions your model reads when the skill loads.
For installation, connection, or runtime problems, read
references/install.md. Use help() or references/api.md for signatures and
uncommon options of APIs named below.
Run JavaScript through a heredoc:
ego-browser nodejs <<'EOF'
const task = await taskSpace("inspect example page");
const page = task.page("p1");
await page.goto("https://example.com");
console.log({ taskSpaceId: task.spaceId, page: page.label });
console.log(await page.snapshot());
EOF
In some sandbox environments, heredoc input may not work; use -e instead:
ego-browser nodejs -e '
const task = await taskSpace("inspect example page");
const page = task.page("p1");
await page.goto("https://example.com");
console.log({ taskSpaceId: task.spaceId, page: page.label });
console.log(await page.snapshot());
'
In Bash/Zsh, use single quotes around the code and double quotes for JavaScript strings. Single quotes within the code require shell quoting.
The script always runs in Node.js, not in the web Page. Browser helpers and
Node.js APIs belong in the script; Page globals such as window, document,
location, and DOM APIs do not. Put browser-side JavaScript inside
page.evaluate(). Do not import Playwright or launch another browser.
test cases passed, vs 6 / 18 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.