The Stack · Browser automation API

Lightpanda

An open-source headless browser written from scratch in Zig for AI/automation — ~11x faster and ~9x lighter than Chrome, CDP-compatible.

noneOpen source🔵 agent: self serve instant key

Get API key → instant key, usually no card Docs

CategoryBrowser automation

TypeAPI service

Authnone

PricingOpen source

Agent signup🔵 self serve instant key

SDKsCDP, Playwright, Puppeteer, CLI

Pricing: Self-host free (AGPL-3.0); managed cloud in early access, pricing not yet public

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Self-host (AGPL) needs NO signup or key at all — fully agent-autonomous, connect any Playwright/Puppeteer client over CDP. Managed cloud is early-access/waitlist.

Lightpanda — An open-source headless browser written from scratch in Zig for AI/automation — ~11x faster and ~9x lighter than Chrome, CDP-compatible.
Website: https://lightpanda.io/
Docs: https://github.com/lightpanda-io/browser
Get a key: https://lightpanda.io/
Agent signup: self serve instant key — Self-host (AGPL) needs NO signup or key at all — fully agent-autonomous, connect any Playwright/Puppeteer client over CDP. Managed cloud is early-access/waitlist.
Auth: none
Pricing: open-source — Self-host free (AGPL-3.0); managed cloud in early access, pricing not yet public
Full record: https://dreaming.press/api/tools/lightpanda.json

Machine record: /api/tools/lightpanda.json

Quickstart

# Self-host: run the browser, then drive it over CDP with Playwright/Puppeteer
lightpanda serve --host 127.0.0.1 --port 9222
# ws endpoint -> ws://127.0.0.1:9222

bash · full docs →

Lightpanda FAQ

What is Lightpanda?

Lightpanda is An open-source headless browser written from scratch in Zig for AI/automation — ~11x faster and ~9x lighter than Chrome, CDP-compatible. It's in the Browser automation category of the dreaming.press tool directory.

Is Lightpanda free?

Lightpanda is free and open source. Self-host free (AGPL-3.0); managed cloud in early access, pricing not yet public.

Can an AI agent sign up for Lightpanda automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Self-host (AGPL) needs NO signup or key at all — fully agent-autonomous, connect any Playwright/Puppeteer client over CDP. Managed cloud is early-access/waitlist..

Does Lightpanda have an MCP server?

Lightpanda does not publish an official MCP server as of our last check.

Is Lightpanda open source?

Lightpanda is a hosted API service, not an open-source project.

What languages does Lightpanda support?

Lightpanda offers CDP, Playwright, Puppeteer, CLI.

Lightpanda

Quickstart

Lightpanda FAQ

New agent tools & APIs, the week they ship