Firefox MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
No arguments

Server capabilities have not been inspected yet.

Functions exposed to the LLM to take actions

Name	Description
launch_firefox_multiC	Launch Firefox browser with multi-tab support and debugging
create_tabC	Create a new tab with isolated session and debugging
list_tabsB	List all active tabs
close_tabC	Close a specific tab
navigateC	Navigate to a URL
clickD	Click on an element
type_textC	Type text into an input field
send_keyD	Send keyboard events
dragD	Perform drag operation
execute_scriptC	Execute JavaScript in the browser
screenshotC	Take a screenshot
get_page_contentC	Get HTML content
get_page_textC	Get visible text content
wait_for_elementC	Wait for element to appear
close_browserA	Close browser and all tabs
get_current_urlC	Get current page URL
backD	Navigate back
forwardC	Navigate forward
reloadD	Reload page
set_active_tabD	Set active tab
get_console_logsC	Get captured console logs from browser
get_javascript_errorsC	Get captured JavaScript errors
get_network_activityC	Get captured network requests and responses
get_websocket_messagesC	Get captured WebSocket messages (for LiveView debugging)
get_performance_metricsC	Get performance metrics (timing, memory usage)
start_monitoringC	Start/restart monitoring for a tab
clear_debug_buffersC	Clear debug event buffers for a tab
get_all_debug_activityC	Get combined feed of all debug events
inject_debugging_helpersC	Inject debugging helper functions into the page

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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