Repository Analysis

jhy/jsoup

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

3.5 Likely human-written View on GitHub

Analysis Overview

This report presents the forensic synthetic code analysis of jhy/jsoup, a Java project with 11,379 GitHub stars. SynthScan v2.0 examined 61,973 lines of code across 238 source files, recording 238 pattern matches distributed across 3 syntactic categories. The overall adjusted score of 3.5 places this repository in the Likely human-written band.

The scanner applied 160+ deterministic lexical heuristics, multi-line block detectors, abstract syntax tree depth profilers, and a cross-file Jaccard similarity matrix to construct a statistically normalised synthetic code estimate. All matches are individually weighted by severity coefficient and contextual multiplier before summation, and the resulting headline score is temporally discounted to account for the repository's development history relative to the commercial emergence of large language model coding tooling (November 2022 onward).

3.5
Adjusted Score
3.5
Raw Score
100%
Time Factor
2026-08-02
Last Push
11.4K
Stars
Java
Language
62.0K
Lines of Code
238
Files
238
Pattern Hits
2026-08-02
Scan Date
0.00
HC Hit Rate

What These Metrics Mean

Adjusted Score
Primary synthetic code indicator. Raw score normalised per 1,000 lines of code and multiplied by the temporal discount factor. This is the definitive comparative metric — use it to rank repositories by AI authorship density.
Raw Score
The unmodified sum of all severity-weighted, context-multiplied pattern match scores before temporal discounting. Reflects the absolute signal strength independent of when the repository was last active.
Time Factor
The temporal discount multiplier (0–100%) applied to the raw score. Repositories last updated before ChatGPT's launch (Nov 2022) receive a 5% factor. Full signal is only assigned to repositories active in the post-adoption era (Jan 2024+).
Pattern Hits
Total count of individual pattern matches across all files and categories. A high hit count with a low score may indicate a very large codebase with isolated AI snippets; a low count with a high score indicates dense, concentrated AI signatures.
HC Hit Rate
High+Critical pattern hits per file, averaged across the repository. This orthogonal signal catches repositories where a few files are densely packed with high-severity AI tells — a strong indicator even when the normalised score appears moderate due to codebase size.
Lines of Code / Files
Total lines and files analysed. The scanner examines 94 file extensions. These denominators are used to normalise the score, enabling fair comparison between repositories of vastly different sizes.

Score History

Longitudinal tracking requires multiple scan runs. Once this repository is re-scanned after new commits land, this chart will visualise how the synthetic code signal evolves over time — enabling you to detect whether AI authorship is growing, stabilising, or being actively corrected by human engineers.

No multi-scan history yet — run the scanner again to build trend data.

Severity Breakdown

Classifies detected patterns by their diagnostic confidence and structural impact. CRITICAL patterns (coefficient 10) represent definitive synthetic signatures — hallucinated imports, explicit LLM attribution metadata — virtually never produced by human authors. HIGH (5) indicates strong structural tells such as cross-file repetition or cross-linguistic idioms. MEDIUM (2) covers recognisable conversational padding and AI-specific vocabulary. LOW (1) captures subtle indicators like tautological comments and generic boilerplate that require density to carry independent signal.

CRITICAL 1HIGH 0MEDIUM 1LOW 236

Directory Score Breakdown

This horizontal bar chart decomposes the repository's raw synthetic code score by top-level directory, allowing you to pinpoint precisely which modules or components carry the highest AI authorship density. Directories with disproportionately high scores relative to their size warrant targeted manual review: concentrated AI signatures often trace back to mass-generated configuration layers, auto-ported test suites, LLM-scaffolded boilerplate classes, or entire subsystems authored under heavy copilot assistance. Use this view to prioritise your human code-review effort.

Pattern Findings

The scanner identified 238 distinct pattern matches across 3 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a statistically significant AI authorship indicator. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.

Reading the findings table: The Severity column indicates the diagnostic confidence level (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — comment-context matches receive a ×1.5 weight because LLMs systematically over-annotate. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier as dense clusters constitute far stronger evidence of synthetic authorship than isolated hits.

Fake / Example Data236 hits · 197 pts
SeverityFileLineSnippetContext
LOWsrc/test/resources/htmltests/medium.html6 <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibusCODE
LOWsrc/test/resources/htmltests/medium.html6 <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibusCODE
LOWsrc/test/resources/htmltests/medium.html7 <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. MaecenasCODE
LOWsrc/test/resources/htmltests/medium.html7 <p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. MaecenasCODE
LOWsrc/test/resources/htmltests/medium.html11 <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaeceCODE
LOWsrc/test/resources/htmltests/medium.html11 <p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaeceCODE
LOWsrc/test/resources/htmltests/medium.html16 <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttCODE
LOWsrc/test/resources/htmltests/medium.html16 <p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttCODE
LOWsrc/test/resources/htmltests/large.html4<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus dCODE
LOWsrc/test/resources/htmltests/large.html4<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus dCODE
LOWsrc/test/resources/htmltests/large.html6<p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas mCODE
LOWsrc/test/resources/htmltests/large.html6<p>Sed dignissim lacinia nunc. Curabitur tortor. Pellentesque nibh. Aenean quam. In scelerisque sem at dolor. Maecenas mCODE
LOWsrc/test/resources/htmltests/large.html14<p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaecenaCODE
LOWsrc/test/resources/htmltests/large.html14<p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaecenaCODE
LOWsrc/test/resources/htmltests/large.html24<p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitCODE
LOWsrc/test/resources/htmltests/large.html24<p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitCODE
LOWsrc/test/resources/htmltests/large.html48<p>Nulla ut felis in purus aliquam imperdiet. Maecenas aliquet mollis lectus. Vivamus consectetuer risus et tortor. <i>VCODE
LOWsrc/test/resources/htmltests/large.html48<p>Nulla ut felis in purus aliquam imperdiet. Maecenas aliquet mollis lectus. Vivamus consectetuer risus et tortor. <i>VCODE
LOWsrc/test/resources/htmltests/large.html58<p>Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pretium blandit orci. Ut eu diam at pede susCODE
LOWsrc/test/resources/htmltests/large.html58<p>Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pretium blandit orci. Ut eu diam at pede susCODE
LOWsrc/test/resources/htmltests/large.html70<p><b>Morbi mi</b>. Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam iCODE
LOWsrc/test/resources/htmltests/large.html70<p><b>Morbi mi</b>. Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam iCODE
LOWsrc/test/resources/htmltests/large.html80<p>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitor, cursus quis,CODE
LOWsrc/test/resources/htmltests/large.html80<p>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. Ut orci risus, accumsan porttitor, cursus quis,CODE
LOWsrc/test/resources/htmltests/large.html92<p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, viveCODE
LOWsrc/test/resources/htmltests/large.html92<p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, viveCODE
LOWsrc/test/resources/htmltests/large.html94<p>Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra,CODE
LOWsrc/test/resources/htmltests/large.html94<p>Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torquent per conubia nostra,CODE
LOWsrc/test/resources/htmltests/large.html104<p>Vivamus consectetuer risus et tortor. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. PraeCODE
LOWsrc/test/resources/htmltests/large.html104<p>Vivamus consectetuer risus et tortor. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. PraeCODE
LOWsrc/test/resources/htmltests/large.html114<p><b>Morbi in dui quis est pulvinar ullamcorper</b>. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, CODE
LOWsrc/test/resources/htmltests/large.html114<p><b>Morbi in dui quis est pulvinar ullamcorper</b>. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, CODE
LOWsrc/test/resources/htmltests/large.html126<p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagitCODE
LOWsrc/test/resources/htmltests/large.html126<p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagitCODE
LOWsrc/test/resources/htmltests/large.html130<p>Proin ut ligula vel nunc egestas porttitor. <b>Class aptent taciti sociosqu ad litora torquent per conubia nostra, peCODE
LOWsrc/test/resources/htmltests/large.html130<p>Proin ut ligula vel nunc egestas porttitor. <b>Class aptent taciti sociosqu ad litora torquent per conubia nostra, peCODE
LOWsrc/test/resources/htmltests/large.html136<p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. <i>Praesent blandit dolor</i>. CODE
LOWsrc/test/resources/htmltests/large.html136<p>Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede. <i>Praesent blandit dolor</i>. CODE
LOWsrc/test/resources/htmltests/large.html148<p><b>Cras metus</b>. Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, CODE
LOWsrc/test/resources/htmltests/large.html148<p><b>Cras metus</b>. Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, CODE
LOWsrc/test/resources/htmltests/large.html158<p>Proin sodales libero eget ante. Nulla quam. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultriciCODE
LOWsrc/test/resources/htmltests/large.html158<p>Proin sodales libero eget ante. Nulla quam. Aenean laoreet. Vestibulum nisi lectus, commodo ac, facilisis ac, ultriciCODE
LOWsrc/test/resources/htmltests/large.html160<p>Praesent libero. Sed cursus ante dapibus diam. Sed nisi. Nulla quis sem at nibh elementum imperdiet. <b>Nulla ut feliCODE
LOWsrc/test/resources/htmltests/large.html160<p>Praesent libero. Sed cursus ante dapibus diam. Sed nisi. Nulla quis sem at nibh elementum imperdiet. <b>Nulla ut feliCODE
LOWsrc/test/resources/htmltests/large.html170<p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, viveCODE
LOWsrc/test/resources/htmltests/large.html170<p>Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam mauris orci, aliquet et, iaculis et, viveCODE
LOWsrc/test/resources/htmltests/large.html182<p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaecenaCODE
LOWsrc/test/resources/htmltests/large.html182<p>Nullam mauris orci, aliquet et, iaculis et, viverra vitae, ligula. Nulla ut felis in purus aliquam imperdiet. MaecenaCODE
LOWsrc/test/resources/htmltests/large.html184<p><b>Praesent libero</b>. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torqCODE
LOWsrc/test/resources/htmltests/large.html184<p><b>Praesent libero</b>. Mauris massa. Vestibulum lacinia arcu eget nulla. Class aptent taciti sociosqu ad litora torqCODE
LOWsrc/test/resources/htmltests/large.html192<p>Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam maurCODE
LOWsrc/test/resources/htmltests/large.html192<p>Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagittis at, neque. Nullam maurCODE
LOWsrc/test/resources/htmltests/large.html204<p>Vivamus consectetuer risus et tortor. <b>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede</b>. LoCODE
LOWsrc/test/resources/htmltests/large.html204<p>Vivamus consectetuer risus et tortor. <b>Vestibulum nisi lectus, commodo ac, facilisis ac, ultricies eu, pede</b>. LoCODE
LOWsrc/test/resources/htmltests/large.html214<p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagitCODE
LOWsrc/test/resources/htmltests/large.html214<p>Sed pretium blandit orci. Ut eu diam at pede suscipit sodales. Aenean lectus elit, fermentum non, convallis id, sagitCODE
LOWsrc/test/resources/htmltests/large.html238<p>Vivamus consectetuer risus et tortor. <i>Curabitur sit amet mauris</i>. Lorem ipsum dolor sit amet, consectetur adipiCODE
LOWsrc/test/resources/htmltests/large.html238<p>Vivamus consectetuer risus et tortor. <i>Curabitur sit amet mauris</i>. Lorem ipsum dolor sit amet, consectetur adipiCODE
LOWsrc/test/resources/htmltests/large.html248<p><b>Integer lacinia sollicitudin massa</b>. Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pCODE
LOWsrc/test/resources/htmltests/large.html248<p><b>Integer lacinia sollicitudin massa</b>. Ut orci risus, accumsan porttitor, cursus quis, aliquet eget, justo. Sed pCODE
176 more matches not shown…
Hallucination Indicators1 hit · 15 pts
SeverityFileLineSnippetContext
CRITICALsrc/test/java/org/jsoup/integration/ProxyTest.java149 // https://github.com/jhy/jsoup/pull/2403 - Ubuntu Azul 25 throws `Cannot invoke "jdk.internal.net.http.ExchCOMMENT
AI Slop Vocabulary1 hit · 3 pts
SeverityFileLineSnippetContext
MEDIUM…/java11/org/jsoup/integration/HttpClientConnectIT.java21 // noop; can't interrupt the client via the calling thread; probably not required as timeouts are robustCOMMENT