or run

npx @tessl/cli init
Log in

Version

Files

docs

browser-contexts.mdbrowser-management.mdelement-handling.mdindex.mdinput-simulation.mdlocators-selectors.mdnetwork-management.mdpage-interaction.md

evals

scenario-1

rubric.jsontask.md

scenario-10

rubric.jsontask.md

scenario-2

rubric.jsontask.md

scenario-3

rubric.jsontask.md

scenario-4

rubric.jsontask.md

scenario-5

rubric.jsontask.md

scenario-6

rubric.jsontask.md

scenario-7

rubric.jsontask.md

scenario-8

rubric.jsontask.md

scenario-9

rubric.jsontask.md
tile.json

tessl/npm-puppeteer-core

A high-level API to control headless Chrome and Firefox browsers over the DevTools Protocol and WebDriver BiDi

Workspace
tessl
Visibility
Public
Created
Last updated
Describes
npmpkg:npm/puppeteer-core@24.19.x

With Tessl

Agent performance with Tessl

94%

Improvement

Agent performance improvement using Tessl

+2%

To install, run

npx @tessl/cli install tessl/npm-puppeteer-core@24.19.0
OverviewEval results

Assessment results

Generated

Agent Claude Code

Scenario 1

Custom transport layer implementation

-20%

Scenario 2

Screenshot capture (PNG, JPEG, WebP)

0%

Scenario 3

Browser context and incognito mode creation

0%

Scenario 4

Window bounds management

0%

Scenario 5

Frame navigation and interaction

0%

Scenario 6

Media type and feature emulation

0%

Scenario 7

Geolocation and timezone emulation

-22%

Scenario 8

PDF generation

0%

Scenario 9

Target filtering and custom page detection

0%

Scenario 10

Script and style injection

60%