browser_evaluate

MCP tool from Blueprint MCP by railsblueprint

Execute JavaScript in page context

How to use it

browser_evaluate is exposed by the Blueprint MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the browser_evaluate tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

Install Blueprint MCP

$claude mcp add browser npx @railsblueprint/blueprint-mcp@latest

FULL BLUEPRINT MCP LISTING

Other tools in Blueprint MCP (29)

Login to PRO account (for cloud relay features)

Click on elements

browser_console_messages

Get browser console logs

Drag and drop elements

browser_extract_content

Extract page content as markdown

browser_file_upload

Upload files through file inputs

browser_fill_form

Fill multiple form fields at once

browser_handle_dialog

Handle alert/confirm/prompt dialogs

Hover over elements

browser_interact

Perform multiple actions in sequence (click, type, hover, wait, etc.)

browser_list_extensions

List installed browser extensions

browser_navigate

Navigate to a URL

browser_navigate_back

Go back in history

browser_network_requests

Powerful network monitoring and replay tool with multiple actions:

browser_pdf_save

Save current page as PDF

browser_performance_metrics

Get performance metrics

browser_press_key

Press keyboard keys

browser_reload_extensions

Reload unpacked extensions (useful during development)

browser_select_option

Select dropdown options

browser_snapshot

Get accessible page content (recommended for reading pages)

List, create, attach to, or close browser tabs

browser_take_screenshot

Capture visual screenshot

Type text into inputs

browser_verify_element_visible

Verify element exists (for testing)

browser_verify_text_visible

Verify text is present (for testing)

Resize, minimize, maximize browser window

Deactivate browser automation

Activate browser automation (required first step)

Check connection status