test_assert

MCP tool from Glance by DebugBase

Run a single assertion

How to use it

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

Install Glance

$claude mcp add glance -- npx glance-mcp

FULL GLANCE LISTING

Other tools in Glance (30)

Click an element (CSS selector or text)

Close the browser

browser_console_messages

Read console logs and errors

Drag and drop between elements

browser_evaluate

Execute JavaScript in the page

browser_go_back

Navigate back

browser_go_forward

Navigate forward

Hover over an element

browser_navigate

Navigate to a URL

browser_network_requests

Monitor network activity

browser_press_key

Press a keyboard key

browser_screenshot

Capture a screenshot (returned inline to Claude)

Scroll the page or to an element

browser_select_option

Select from a dropdown

browser_snapshot

Get the accessibility tree as text

browser_tab_list

List all open tabs

browser_tab_new

Open a new tab

browser_tab_select

Switch to a tab

Type into an input field

End and save a session

List recorded sessions

Start recording a session

Test a login/signup flow

Auto-fill a form

test_scenario_run

Run a multi-step test scenario

test_scenario_status

Check running scenario status

test_stop_watch

Stop watching events

test_watch_events

Watch for DOM/network events

visual_baseline

Save a visual baseline

Compare against baseline