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Turn any workflow into a stable API.

Libretto helps coding agents autonomously manage integrations: browser workflows, web scrapers, on-prem apps, and more.

orTalk to a dev · 15 min

Backed by Y Combinator

Libretto CLI

Open-source CLI that turns website workflows into fast, reusable scripts in your codebase.

$ npx libretto open

→ session ses-4f2a

→ record actions, capture network, write scripts

await page.getByRole("button", { name: "Book" }).click()

Debug Agents

When Playwright automations fail, an agent inspects the live page and opens a pull request with the fix.

playwright run · failed

Updated the renamed username field selector

- input[name="username"]

+ input[name="login"]

Pull request #842 opened

Browser Tools SDK

Six tools that let AI agents read pages and control real browsers with Playwright.

const { tools } = createAiSdkBrowserTools(provider);

await generateText({

prompt: "Find the top story",

// BROWSER EXTENSION --

Chrome Extension

Tell an agent what you need done in Chrome, then save it as a workflow you can run again or schedule in the cloud.

Libretto for Chrome

Download this month's invoices from every vendor portal.

Working across 12 websites9 complete