MCP tool
act
act is a tool name used by 2 different MCP servers. They are not necessarily the same tool — here is what each one does.
2 MCP servers expose a act tool: browserbasehq-mcp-browserbase and agbrowser. Their input schemas differ, so compare them below before picking one.
Servers exposing act
From the publisher:Perform an action on the page
Install browserbasehq-mcp-browserbase →From the publisher:Act on the page. For upload give args.files=[{name,text|base64}] inline. kind: click, dblclick, rightclick, hover, focus, type (ref+value), press (value=key), select (ref+values), check/uncheck, scroll, drag (ref=source, args.to=target ref, or args.to_target={text:"Drop here"} for a drop area without a ref; draggable elements are marked in the snapshot), upload, dialog (value=accept|dismiss for an
Install agbrowser →Parameter Type Description argsobject any extra argument of the action, e.g. {"submit":true} for type, {"to":"e9"} for drag, {"button":"right"} for click kind*string refstring ref from the snapshot, e.g. e12 secret*string session secret from create_session session_id*string session id from create_session snapshotstring page view after the action (default diff) valuestring type: the text; press: the key (Enter, Control+A); select: the option; scroll: top|bottom|down|up or pixels; dialog: accept|dismiss; check/click need none valuesarray select: options; upload: file names from args.files
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.