inject_css

MCP tool from Sidebutton by sidebutton

Inject CSS into the page (blur/hide elements before a screenshot)

How to use it

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

Install Sidebutton

$npx sidebutton --stdio
FULL SIDEBUTTON LISTING

Other tools in Sidebutton (28)

browser_batch

Run a sequence of browser actions in one call

capture_page

Capture selectors from current page

clear_basic_auth

Clear stored HTTP Basic Auth credentials

click

Click an element

evaluate

Execute JavaScript in browser

exists

Check if element exists

extract

Extract text from element

extract_all

Extract all matching elements

extract_map

Extract structured data from repeated elements

fill

Fill input value (React-compatible)

get_browser_status

Check browser extension connection

get_run_log

Get execution log for a run

get_workflow

Get workflow YAML definition

hover

Hover over element

list_run_logs

List recent workflow executions

list_workflows

List all available workflows

navigate

Navigate browser to URL

press_key

Send keyboard keys

publish_artifact

Publish evidence (screenshots, reports) from a session

run_workflow

Execute a workflow by ID

screenshot

Capture page screenshot (pass path to write a PNG file instead of returning image bytes)

scroll

Scroll the page

scroll_into_view

Scroll element into viewport

select_option

Select dropdown option

set_basic_auth

Set HTTP Basic Auth credentials for the connected tab

snapshot

Get page accessibility snapshot

type

Type text into an element

wait

Wait for element or delay