vercel-labs/agent-browser

Browser automation CLI for AI agents

Rust★ 46,032+150 that day#8 on trending

Analyzed November 6, 2026 at 71850a0 (main) with jscpd v5 in 2.0s.

D43/100

Project health159,233 lines of code (L)

Duplication59

6.5% in rust, tsx, typescript, javascript, bash, python

Dead code45

9.2%

Complexity31

84.9%

The score is jscpd's own --health model: markup, data and text left out, tests kept. The numbers below are the trending scan's.

6.89%duplicated code · 9,847 of 142,861 lines

861clones in code

175code files of 430 scanned

6.24%duplicated over all files · 941 clones

Most complex files

cli/src/native/actions.rs3328 cx
cli/src/native/react/installHook.js3040 cx
cli/src/commands.rs1291 cx
cli/src/mcp.rs1118 cx
cli/src/output.rs1022 cx
cli/src/native/browser.rs685 cx
cli/src/native/e2e_tests.rs637 cx
cli/src/native/flow/mod.rs611 cx
cli/src/main.rs423 cx
cli/src/native/cdp/chrome.rs408 cx

Dead code 9.18% unused · 93 findings

docs/scripts/capture-docs-baseline.mjsunused-file
docs/src/components/diff-demo.tsxunused-file
docs/src/components/search.tsxunused-file
packages/@agent-browser/eve/extension/lib/sandbox.tsunused-file
packages/@agent-browser/eve/extension/lib/browser.tsunused-file
docs/src/components/header.tsxunused-file
docs/src/components/docs-mobile-nav.tsxunused-file
docs/src/components/copy-page-button.tsxunused-file
cli/src/native/recording-cursor.jsunused-file
docs/src/components/docs-sidebar.tsxunused-file

The code number leaves out tests, fixtures, docs, examples, data files, styles, translations and vendored code.

Largest clones in the code

12 lines in 31 placesrust72 tokens

cli/src/native/e2e_tests.rs:1997–2008cli/src/native/e2e_tests.rs:2276–2285cli/src/native/e2e_tests.rs:2407–2418cli/src/native/e2e_tests.rs:2751–2762cli/src/native/e2e_tests.rs:2909–2920and 26 more

1997async fn e2e_screenshot() {
1998    let mut state = DaemonState::new();
1999
2000    let resp = execute_command(
2001        &json!({ "id": "1", "action": "launch", "headless": true }),
2002        &mut state,
2003    )
2004    .await;
2005    assert_success(&resp);
2006

2276async fn e2e_select_option_label_override_names() {
2277    let mut state = DaemonState::new();
2278    let resp = execute_command(
2279        &json!({ "id": "1", "action": "launch", "headless": true }),
2280        &mut state,
2281    )
2282    .await;
2283    assert_success(&resp);
2284    let resp = execute_command(
2285        &json!({ "id": "2", "action": "navigate", "url": "data:text/html,<html><body></body></html>" }),

First 10 of 12 lines, the second copy on the right.

9 lines in 18 placesrust77 tokens

cli/src/native/actions.rs:7091–7099cli/src/native/actions.rs:7151–7158cli/src/native/actions.rs:7234–7242cli/src/native/actions.rs:7291–7299cli/src/native/actions.rs:7437–7445and 13 more

7091async fn handle_dblclick(cmd: &Value, state: &mut DaemonState) -> Result<Value, String> {
7092    let mgr = state.browser.as_ref().ok_or("Browser not launched")?;
7093    let session_id = mgr.active_session_id()?.to_string();
7094    let selector = cmd
7095        .get("selector")
7096        .and_then(|v| v.as_str())
7097        .ok_or("Missing 'selector' parameter")?;
7098
7099    let result = interaction::dblclick(

7151async fn handle_type(cmd: &Value, state: &mut DaemonState) -> Result<Value, String> {
7152    let mgr = state.browser.as_ref().ok_or("Browser not launched")?;
7153    let session_id = mgr.active_session_id()?.to_string();
7154    let selector = cmd
7155        .get("selector")
7156        .and_then(|v| v.as_str())
7157        .ok_or("Missing 'selector' parameter")?;
7158    let text = cmd

11 lines in 21 placesrust53 tokens

cli/src/native/e2e_tests.rs:1997–2007cli/src/native/e2e_tests.rs:2150–2160cli/src/native/e2e_tests.rs:3196–3206cli/src/native/e2e_tests.rs:3289–3299cli/src/native/e2e_tests.rs:3368–3378and 16 more

1997async fn e2e_screenshot() {
1998    let mut state = DaemonState::new();
1999
2000    let resp = execute_command(
2001        &json!({ "id": "1", "action": "launch", "headless": true }),
2002        &mut state,
2003    )
2004    .await;
2005    assert_success(&resp);
2006

First 10 of 11 lines.

7 more

16 lines in 6 placesrust207 tokens
cli/src/native/e2e_tests.rs:4881–4896 cli/src/native/e2e_tests.rs:5076–5091 cli/src/native/e2e_tests.rs:5159–5174 cli/src/native/e2e_tests.rs:5293–5308 cli/src/native/e2e_tests.rs:5440–5455and 1 more
16 lines in 10 placesrust90 tokens
cli/src/native/e2e_tests.rs:1997–2012 cli/src/native/e2e_tests.rs:2617–2632 cli/src/native/e2e_tests.rs:2677–2692 cli/src/native/e2e_tests.rs:4519–4534 cli/src/native/e2e_tests.rs:6511–6526and 5 more
9 lines in 14 placesrust52 tokens
cli/src/native/e2e_tests.rs:1997–2005 cli/src/native/e2e_tests.rs:2545–2553 cli/src/native/e2e_tests.rs:2835–2843 cli/src/native/e2e_tests.rs:3547–3555 cli/src/native/e2e_tests.rs:6568–6576and 9 more
10 lines in 11 placesrust54 tokens
cli/src/native/e2e_tests.rs:2151–2160 cli/src/native/e2e_tests.rs:3290–3299 cli/src/native/e2e_tests.rs:3775–3784 cli/src/native/e2e_tests.rs:3843–3852 cli/src/native/e2e_tests.rs:6143–6152and 6 more
7 lines in 8 placesrust76 tokens
cli/src/native/actions.rs:7091–7097 cli/src/native/actions.rs:7324–7330 cli/src/native/actions.rs:7349–7355 cli/src/native/actions.rs:9005–9011 cli/src/native/actions.rs:9024–9030and 3 more
8 lines in 7 placesrust69 tokens
cli/src/commands.rs:4299–4306 cli/src/commands.rs:4312–4319 cli/src/commands.rs:4325–4332 cli/src/commands.rs:4338–4345 cli/src/commands.rs:4351–4358and 2 more
12 lines in 6 placesrust82 tokens
cli/src/native/e2e_tests.rs:1493–1504 cli/src/native/e2e_tests.rs:9501–9512 cli/src/native/e2e_tests.rs:9704–9715 cli/src/native/e2e_tests.rs:9823–9834 cli/src/native/e2e_tests.rs:10093–10104and 1 more

Largest clones over all files, tests and data included

12 lines in 31 placesrust72 tokens

1997async fn e2e_screenshot() {
1998    let mut state = DaemonState::new();
1999
2000    let resp = execute_command(
2001        &json!({ "id": "1", "action": "launch", "headless": true }),
2002        &mut state,
2003    )
2004    .await;
2005    assert_success(&resp);
2006

2276async fn e2e_select_option_label_override_names() {
2277    let mut state = DaemonState::new();
2278    let resp = execute_command(
2279        &json!({ "id": "1", "action": "launch", "headless": true }),
2280        &mut state,
2281    )
2282    .await;
2283    assert_success(&resp);
2284    let resp = execute_command(
2285        &json!({ "id": "2", "action": "navigate", "url": "data:text/html,<html><body></body></html>" }),

First 10 of 12 lines, the second copy on the right.

9 lines in 18 placesrust77 tokens

cli/src/native/actions.rs:7091–7099cli/src/native/actions.rs:7151–7158cli/src/native/actions.rs:7234–7242cli/src/native/actions.rs:7291–7299cli/src/native/actions.rs:7437–7445and 13 more

7091async fn handle_dblclick(cmd: &Value, state: &mut DaemonState) -> Result<Value, String> {
7092    let mgr = state.browser.as_ref().ok_or("Browser not launched")?;
7093    let session_id = mgr.active_session_id()?.to_string();
7094    let selector = cmd
7095        .get("selector")
7096        .and_then(|v| v.as_str())
7097        .ok_or("Missing 'selector' parameter")?;
7098
7099    let result = interaction::dblclick(

7151async fn handle_type(cmd: &Value, state: &mut DaemonState) -> Result<Value, String> {
7152    let mgr = state.browser.as_ref().ok_or("Browser not launched")?;
7153    let session_id = mgr.active_session_id()?.to_string();
7154    let selector = cmd
7155        .get("selector")
7156        .and_then(|v| v.as_str())
7157        .ok_or("Missing 'selector' parameter")?;
7158    let text = cmd

11 lines in 21 placesrust53 tokens

1997async fn e2e_screenshot() {
1998    let mut state = DaemonState::new();
1999
2000    let resp = execute_command(
2001        &json!({ "id": "1", "action": "launch", "headless": true }),
2002        &mut state,
2003    )
2004    .await;
2005    assert_success(&resp);
2006

First 10 of 11 lines.

16 lines in 6 placesrust207 tokens
cli/src/native/e2e_tests.rs:4881–4896 cli/src/native/e2e_tests.rs:5076–5091 cli/src/native/e2e_tests.rs:5159–5174 cli/src/native/e2e_tests.rs:5293–5308 cli/src/native/e2e_tests.rs:5440–5455and 1 more
16 lines in 10 placesrust90 tokens
cli/src/native/e2e_tests.rs:1997–2012 cli/src/native/e2e_tests.rs:2617–2632 cli/src/native/e2e_tests.rs:2677–2692 cli/src/native/e2e_tests.rs:4519–4534 cli/src/native/e2e_tests.rs:6511–6526and 5 more

By format, code only

Format	Files	Lines	Clones	Duplicated lines	Duplication
rust	101	131,027	844	9,587	7.32%
typescript	36	5,359	13	224	4.18%
tsx	26	5,190	3	24	0.46%
javascript	7	783	1	12	1.53%
bash	4	326	0	0	0%
python	1	176	0	0	0%

By format, all files

Format	Files	Lines	Clones	Duplicated lines	Duplication
rust	114	134,233	857	9,712	7.24%
typescript	68	7,112	19	359	5.05%
tsx	84	13,365	17	293	2.19%
json	29	10,510	17	662	6.3%
yaml	15	1,087	11	131	12.05%
javascript	23	4,181	9	81	1.94%
css	4	608	9	103	16.94%
markup	13	729	1	7	0.96%
diff	1	26	1	8	30.77%
markdown	41	7,747	0	0	0%

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	All files	Code	Health	Commit
Nov 6, 2026	#8	46,032 (+150)	430	181,945	941	6.24%	6.89%	D 43	`71850a0`

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