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Browserbase MCP Server

Browser automation MCP server that lets AI agents control cloud browser sessions through Browserbase and Stagehand for navigation, actions, observation, and extraction.

by Browserbase · submitted by oktofeesh1·added 2026-06-05·
Review first review before installing

Open the source and read safety notes before installing.

Citation facts

Source-backed facts for citing this resource, derived directly from the registry — also available as plain text for AI assistants.

Source URLs
https://docs.browserbase.com/integrations/mcp/introduction, https://github.com/browserbase/mcp-server-browserbase, https://www.browserbase.com
Brand
Browserbase MCP
Brand domain
browserbase.com
Brand asset source
brandfetch
Safety notes
Browserbase MCP can create browser sessions, navigate URLs, perform page actions, observe actionable elements, extract data, and close sessions., Cloud browser automation can submit forms, change account state, trigger transactions, scrape sites, or violate website terms if not scoped., Require human approval before login, purchase, messaging, account-change, destructive, or high-volume browsing actions., Review proxy, verified identity, persisted context, and keep-alive options before using them with sensitive sites.
Privacy notes
Browser session URLs, page content, extracted data, screenshots or observations, cookies or persisted context, API keys, and prompts may be sent to Browserbase, Stagehand/model providers, and the MCP client., Persisted browser contexts can retain login state, cookies, and site data across sessions., Protect Browserbase, project, and model-provider keys in config files, logs, screenshots, and shared prompts.
Author
Browserbase
Submitted by
oktofeesh1
Claim status
unclaimed
Last verified
2026-06-05

Decision playbook

Review trust signals before you adopt

Signals are present but mixed. Use the checklist below to confirm the source and operational safety for your environment.

Compare context
Selected

0

Current score

63

Baseline

Delta

No baseline selected

No major trust-signal divergence detected in the current selection.

Source and provenance checks

Needs review

Confirm ownership and provenance before trusting install instructions.

  • Source link availableRequired

    Open the canonical repository and verify ownership.

    Done
  • Source provenance statusRequired

    Marked as source-backed.

    Done
  • Metadata reviewed

    No reviewed flag detected in metadata.

    Pending

Safety and privacy checks

Complete

Validate risk disclosures before installation or API wiring.

  • Safety notes presentRequired

    Review the listed safety guidance before running commands.

    Done
  • Privacy notes presentRequired

    Review data handling notes before connecting accounts or secrets.

    Done
  • Trust level risk gateRequired

    Trust level does not block evaluation.

    Done

Package and install checks

Needs review

Check package metadata and artifact integrity signals.

  • Install payload available

    Install or copy payload is available for review.

    Done
  • Package verification flag

    No package verification flag provided.

    Pending
  • Checksum metadata

    No checksum provided for downloaded artifact.

    Pending

Compare-driven decision checks

Needs review

Use compare context to validate trade-offs before adoption.

  • Compare tray has multiple entries

    Add at least one more entry to compare trust differences.

    Pending
  • Baseline comparison available

    No baseline peer selected yet.

    Pending
  • Diverging trust signals identified

    No major trust-signal divergence found.

    Pending

Setup at a glance

CLI install

Copy-ready — paste the snippet to get started.

10 minutes

Adoption plan

Balanced adoption plan

Current risk score 24/100. Use staged verification before broader rollout.

Risk 24

Pre-adoption checks

Validate source and review signals before any execution.

  • Confirm source provenanceRequired

    Source URL/provenance metadata is present.

    Done
  • Confirm metadata review state

    No review metadata found; increase manual validation.

    Pending
  • Verify install payload

    Install/config payload exists and can be inspected.

    Done

Security checks

Confirm safety, privacy, and package integrity signals.

  • Review safety notesRequired

    Safety notes are present.

    Done
  • Review privacy notesRequired

    Privacy notes are present.

    Done
  • Verify package integrity metadata

    No package verification/checksum metadata.

    Pending

Rollout

Adopt in controlled steps based on the selected plan.

  • Run in isolated sandbox firstRequired

    Use a constrained sandbox and observe behavior across multiple tasks.

    Pending
  • Roll out graduallyRequired

    Roll out to a small cohort before wider usage.

    Pending
  • Set monitoring and fallback

    Define rollback path and monitor errors after adoption.

    Pending

Evidence readiness

Evidence readiness matrix · balanced

Missing required evidence: Metadata review. Risk score 31.

Risk 31

Source provenance

Present

Source repository/provenance is listed.

Required in this preset

Metadata review

Missing

Review metadata is missing.

Required in this preset

Safety notes

Present

Safety notes are present.

Required in this preset

Privacy notes

Present

Privacy notes are present.

Optional in this preset

Package integrity

Missing

Package integrity metadata is missing.

Optional in this preset

Install payload

Present

Install payload is available.

Required in this preset

Required gaps: Metadata review

Decision timeline

Decision timeline · balanced

Blocking gaps: Check metadata review status. Risk 28.

Risk 28

triage

Confirm source provenanceRequired

Source/provenance metadata is available.

Done

triage

Check metadata review statusRequired

Review metadata is missing.

Pending

verify

Review safety notesRequired

Safety notes are available.

Done

verify

Review privacy notes

Privacy notes are available.

Done

verify

Validate package integrity metadata

Package integrity metadata is missing.

Pending

rollout

Verify install payload and commandsRequired

Install payload is available.

Done

Blockers: Check metadata review status

Prerequisite readiness

Prerequisite readiness

4 prerequisites to line up before setup. Have accounts and credentials ready first.

0/4 ready
Account & credentials1Install & runtime1Network & hosting1General110 minutes

Safety & privacy surface

Safety & privacy surface

4 safety and 3 privacy notes across 5 risk areas. Review closely: credentials & tokens, permissions & scopes, third-party handling.

5 areas
  • SafetyCredentials & tokensBrowserbase MCP can create browser sessions, navigate URLs, perform page actions, observe actionable elements, extract data, and close sessions.
  • SafetyPermissions & scopesCloud browser automation can submit forms, change account state, trigger transactions, scrape sites, or violate website terms if not scoped.
  • SafetyExecution & processesRequire human approval before login, purchase, messaging, account-change, destructive, or high-volume browsing actions.
  • SafetyData retentionReview proxy, verified identity, persisted context, and keep-alive options before using them with sensitive sites.
  • PrivacyCredentials & tokensBrowser session URLs, page content, extracted data, screenshots or observations, cookies or persisted context, API keys, and prompts may be sent to Browserbase, Stagehand/model providers, and the MCP client.
  • PrivacyCredentials & tokensPersisted browser contexts can retain login state, cookies, and site data across sessions.
  • PrivacyThird-party handlingProtect Browserbase, project, and model-provider keys in config files, logs, screenshots, and shared prompts.

Safety notes

  • Browserbase MCP can create browser sessions, navigate URLs, perform page actions, observe actionable elements, extract data, and close sessions.
  • Cloud browser automation can submit forms, change account state, trigger transactions, scrape sites, or violate website terms if not scoped.
  • Require human approval before login, purchase, messaging, account-change, destructive, or high-volume browsing actions.
  • Review proxy, verified identity, persisted context, and keep-alive options before using them with sensitive sites.

Privacy notes

  • Browser session URLs, page content, extracted data, screenshots or observations, cookies or persisted context, API keys, and prompts may be sent to Browserbase, Stagehand/model providers, and the MCP client.
  • Persisted browser contexts can retain login state, cookies, and site data across sessions.
  • Protect Browserbase, project, and model-provider keys in config files, logs, screenshots, and shared prompts.

Prerequisites

  • Browserbase account, API key, and project ID for self-hosted npm usage.
  • Model provider key when using a custom or self-hosted Stagehand model configuration.
  • MCP client with hosted HTTP support or a stdio bridge.
  • Clear target websites and automation boundaries for each browser session.

Schema details

Install type
cli
Troubleshooting
No
Source repository stats
Scope
Source repo
Collection metadata
Estimated setup
10 minutes
Difficulty
intermediate
Tool listing metadata
Full copyable content
{
  "mcpServers": {
    "browserbase": {
      "command": "npx",
      "args": ["@browserbasehq/mcp"],
      "env": {
        "BROWSERBASE_API_KEY": "YOUR_BROWSERBASE_API_KEY",
        "BROWSERBASE_PROJECT_ID": "YOUR_BROWSERBASE_PROJECT_ID",
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY"
      }
    }
  }
}

About this resource

Content

Browserbase MCP Server gives AI agents cloud browser automation through Browserbase and Stagehand. It exposes tools for starting or reusing a browser session, navigating to URLs, acting on pages, observing actionable elements, extracting data, and ending sessions.

The repository describes this project as the self-hostable version of Browserbase's hosted MCP server, with support for hosted HTTP and self-hosted stdio usage through the @browserbasehq/mcp npm package.

Source Review

These sources were reviewed on 2026-06-05. Prefer the live docs for current hosted endpoint behavior, package name, Stagehand model options, Browserbase flags, and client-specific setup.

Features

  • Hosted Browserbase MCP endpoint and self-hostable npm package.
  • Tools for start, end, navigate, act, observe, and extract.
  • Browserbase cloud browser sessions.
  • Stagehand-powered browser automation and extraction.
  • Optional proxies, verified identity, keep-alive, persisted contexts, viewport sizing, and custom model configuration.
  • Docker and local build options for self-hosting.

Installation

For self-hosted stdio usage through npm:

{
  "mcpServers": {
    "browserbase": {
      "command": "npx",
      "args": ["@browserbasehq/mcp"],
      "env": {
        "BROWSERBASE_API_KEY": "YOUR_BROWSERBASE_API_KEY",
        "BROWSERBASE_PROJECT_ID": "YOUR_BROWSERBASE_PROJECT_ID",
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY"
      }
    }
  }
}

For clients with hosted MCP support, the docs also describe the hosted Browserbase MCP endpoint. Use the repository and Browserbase docs for current transport, key, and model-provider setup.

Use Cases

  • Give an agent a cloud browser for web UI testing.
  • Extract structured data from pages after navigation.
  • Use Stagehand actions to interact with web apps.
  • Run browser automation without launching a local browser.
  • Compare hosted MCP and self-hosted npm setups for different client support.

Safety and Privacy

Cloud browser automation can affect real web accounts and third-party services. Keep sessions scoped, avoid high-volume automation unless authorized, and require review before submitting forms, making purchases, sending messages, changing account settings, or collecting personal data.

Treat Browserbase contexts, cookies, extracted page content, prompts, API keys, and model-provider traffic as sensitive. Review persisted-context settings before automating logged-in workflows.

Duplicate Check

No browserbase/mcp-server-browserbase entry or source URL was found in content/mcp. This entry is separate from local browser-profile tools, Playwright MCP, Chrome MCP, and BrowserMCP because it focuses on Browserbase cloud sessions and Stagehand.

Source citations

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How it compares

Browserbase MCP Server side by side with its closest alternative on trust, install, platform support, and disclosed safety notes — all from reviewed registry metadata.

Field

Browser automation MCP server that lets AI agents control cloud browser sessions through Browserbase and Stagehand for navigation, actions, observation, and extraction.

Open dossier

AgentQL MCP server for extracting structured JSON from public webpages using a URL and natural-language extraction prompt.

Open dossier
Next steps
Trust
Review statusNot reviewedNot reviewed
Package trustPackage not verifiedPackage not verified
Source provenanceSource-backedSource-backed
Submitteroktofeesh1oktofeesh1
Install riskReview firstReview first
Notes Safety ✓ Privacy ✓ Safety ✓ Privacy ✓
BrandBrowserbase MCP logoBrowserbase MCPAgentQL logoAgentQL
Categorymcpmcp
SourceSource-backedSource-backed
AuthorBrowserbaseAgentQL
Added2026-06-052026-06-06
Platforms
Harness
Source repo
Safety notesBrowserbase MCP can create browser sessions, navigate URLs, perform page actions, observe actionable elements, extract data, and close sessions. Cloud browser automation can submit forms, change account state, trigger transactions, scrape sites, or violate website terms if not scoped. Require human approval before login, purchase, messaging, account-change, destructive, or high-volume browsing actions. Review proxy, verified identity, persisted context, and keep-alive options before using them with sensitive sites.AgentQL MCP exposes one tool, `extract-web-data`, that sends a target URL and natural-language extraction prompt to the AgentQL API. The tool is intended for public webpages; do not use it to bypass access controls, scrape private pages, evade paywalls, or extract data where automated collection is prohibited. Web extraction can still trigger target-site rate limits, legal restrictions, robots guidance, or terms-of-service concerns. The source implementation uses AgentQL's query-data endpoint with fast mode, no screenshot capture, no scroll-to-bottom behavior, and no local browser cookies. Treat extracted output as untrusted web data that may include errors, stale content, ads, tracking text, or prompt-injection attempts.
Privacy notesBrowser session URLs, page content, extracted data, screenshots or observations, cookies or persisted context, API keys, and prompts may be sent to Browserbase, Stagehand/model providers, and the MCP client. Persisted browser contexts can retain login state, cookies, and site data across sessions. Protect Browserbase, project, and model-provider keys in config files, logs, screenshots, and shared prompts.Target URLs, extraction prompts, API key-authenticated requests, and extracted structured data are sent to AgentQL's API. Extracted data can include personal data, copyrighted content, customer information, job postings, prices, social content, or other third-party material. AGENTQL_API_KEY should stay out of prompts, issues, logs, screenshots, and committed configuration files. Claude transcripts and downstream reports may retain extracted data, so avoid collecting information that is not approved for the model session.
Prerequisites
  • Browserbase account, API key, and project ID for self-hosted npm usage.
  • Model provider key when using a custom or self-hosted Stagehand model configuration.
  • MCP client with hosted HTTP support or a stdio bridge.
  • Clear target websites and automation boundaries for each browser session.
  • Node.js and npx available to the MCP client runtime.
  • AgentQL API key from the AgentQL developer portal.
  • Approved list of public webpages or domains Claude may query.
  • Review of target site terms, robots guidance, rate limits, and data-use rules before extraction.
Install
npx @browserbasehq/mcp
npx -y agentql-mcp
Config
{
  "mcpServers": {
    "browserbase": {
      "command": "npx",
      "args": ["@browserbasehq/mcp"],
      "env": {
        "BROWSERBASE_API_KEY": "YOUR_BROWSERBASE_API_KEY",
        "BROWSERBASE_PROJECT_ID": "YOUR_BROWSERBASE_PROJECT_ID",
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY"
      }
    }
  }
}
{
  "mcpServers": {
    "agentql": {
      "command": "npx",
      "args": ["-y", "agentql-mcp"],
      "env": {
        "AGENTQL_API_KEY": "<your-agentql-api-key>"
      }
    }
  }
}
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