majiayu000 Usage
# List managed tabs
browser-cli --list
# Open a page and get snapshot
browser-cli <<'EOF'
await tab("https://example.com")
snap()
EOF
# Execute in a specific tab
browser-cli abc123 <<'EOF'
snap()
EOF
JavaScript API
All functions are available in the execution context. Actions return simple
confirmations; use snap() to get page state.
Element Interaction (use refs from snap())
browser-cli <<'EOF'
await click(1) // Click element [1]
await click(1, {double: true}) // Double click
await type(2, "user@example.com") // Type into element [2]
await type(2, "new", {clear: true}) // Clear first, then type
await hover(3) // Hover over element [3]
await drag(4, 5) // Drag from [4] to [5]
await select(6, "option-value") // Select dropdown option
key("Enter") // Press key
key("Tab")
EOF
# Can still use CSS selectors when needed
browser-cli <<'EOF'
await click("#submit-button")
await click("Sign In", "text")
EOF
Page Inspection
browser-cli <<'EOF'
snap() // Get page snapshot with refs
snap({forms: true}) // Only form elements
snap({links: true}) // Only links
snap({buttons: true}) // Only buttons
snap({text: "login"}) // Elements containing "login"
logs() // Get console logs
EOF
Reader Mode (Article Extraction)
Extract readable article content using Mozilla Readability. Returns plain text optimized for LLM consumption.
# Navigate and read article in one go
browser-cli TABID --go "https://example.com/article" && browser-cli TABID <<< 'read()'
# Options
read({maxLength: 5000}) // Limit content length
read({includeMetadata: false}) // Skip title/byline/etc
Output:
Article Title
=============
By: John Doe
Source: Example News
----------------------------------------
Full article text...
Returns empty output if page content is not suitable for reader mode.
Waiting
browser-cli <<'EOF'
await wait(1000) // Wait 1 second
await wait("idle") // Wait for DOM to stabilize
await wait("text", "Success") // Wait for text to appear
await wait("gone", "Loading") // Wait for text to disappear
EOF
Downloads
browser-cli TABID <<'EOF'
const url = document.querySelector('a[href*="pdf"]').href
await download(url, "invoice.pdf") // Downloads to ~/Downloads/invoice.pdf
EOF
Navigation & Tabs
# Navigate current tab to URL (waits for load)
browser-cli TABID --go "https://example.com"
# Then run commands on the loaded page
browser-cli TABID <<< "read()"
# Open new tab (note: switches execution context)
browser-cli <<'EOF'
await tab("https://example.com")
EOF
# List all tabs
browser-cli <<< "await tabs()"
Screenshots
browser-cli <<'EOF'
await shot() // Screenshot, returns data URL
await shot("/tmp/page.png") // Screenshot to file
EOF
Snapshot Output Format
Page: Example Site
URL: https://example.com
[1] heading "Welcome"
[2] input[email] "Email" [required]
[3] input[password] "Password" [required]
[4] checkbox "Remember me"
[5] button "Sign In"
[6] link "Forgot password?"
[N]- Reference number for use with click(), type(), etc.- Role and accessible name shown
- Attributes in brackets:
[disabled],[checked],[required], etc.
Examples
# Search on Google
browser-cli <<'EOF'
await tab("https://google.com")
snap()
EOF
# Output shows [12] combobox "Suche"
browser-cli <<'EOF'
await type(12, "hello world")
diff()
EOF
# Shows: Added (autocomplete options), Changed (input value)
# Form filling
browser-cli <<'EOF'
await tab("https://example.com/login")
snap()
EOF
# Output: [1] input "Email", [2] input "Password", [3] button "Sign In"
browser-cli <<'EOF'
await type(1, "user@test.com")
await type(2, "secret123")
await click(3)
diff()
EOF
# Wait for dynamic content
browser-cli <<'EOF'
await click(5)
await wait("text", "Success")
snap()
EOF
See README.md for installation, architecture, and full API reference.