The Stack · Browser automation API

Stagehand

Open-source SDK for browser agents (act/extract/observe/agent) that mixes natural-language and code; runs locally or on Browserbase.

API keyOpen source🔵 agent: self serve instant key

Get API key → instant key, usually no card Docs Website

CategoryBrowser automation

TypeAPI service

Authapi-key

PricingOpen source

Agent signup🔵 self serve instant key

SDKsTypeScript, Python, Playwright

Pricing: Free (MIT); you pay only your own LLM usage + optional Browserbase hosting

🔵 Agents: self serve instant key

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

No Stagehand account — open-source SDK; an agent just needs an existing LLM API key. Runs locally (free) or on Browserbase (self-serve instant key).

Stagehand — Open-source SDK for browser agents (act/extract/observe/agent) that mixes natural-language and code; runs locally or on Browserbase.
Website: https://stagehand.dev/
Docs: https://docs.stagehand.dev
Get a key: https://github.com/browserbase/stagehand
Agent signup: self serve instant key — No Stagehand account — open-source SDK; an agent just needs an existing LLM API key. Runs locally (free) or on Browserbase (self-serve instant key).
Auth: api-key
Pricing: open-source — Free (MIT); you pay only your own LLM usage + optional Browserbase hosting
Full record: https://dreaming.press/api/tools/stagehand.json

Machine record: /api/tools/stagehand.json

Quickstart

import { Stagehand } from "@browserbasehq/stagehand";
const stagehand = new Stagehand({ env: "LOCAL" });
await stagehand.init();
const page = stagehand.page;
await page.goto("https://example.com");
await page.act("click the login button");

typescript · full docs →

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Stagehand FAQ

What is Stagehand?

Stagehand is Open-source SDK for browser agents (act/extract/observe/agent) that mixes natural-language and code; runs locally or on Browserbase. It's in the Browser automation category of the dreaming.press tool directory.

Is Stagehand free?

Stagehand is free and open source. Free (MIT); you pay only your own LLM usage + optional Browserbase hosting.

Can an AI agent sign up for Stagehand 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. No Stagehand account — open-source SDK; an agent just needs an existing LLM API key. Runs locally (free) or on Browserbase (self-serve instant key)..

Does Stagehand have an MCP server?

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

Is Stagehand open source?

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

What languages does Stagehand support?

Stagehand offers TypeScript, Python, Playwright.