automerge/automerge

6.0

Adjusted Score

6.0

Raw Score

100%

Time Factor

2026-07-14

Last Push

6.4K

Stars

JavaScript

Language

151.6K

Lines of Code

461

Files

544

Pattern Hits

2026-07-14

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 0HIGH 0MEDIUM 214LOW 330

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 544 distinct pattern matches across 5 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.

Decorative Section Separators211 hits · 582 pts

Severity	File	Line	Snippet	Context
MEDIUM⚡	rust/hexane/benches/column_ops.rs	269	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM⚡	rust/hexane/benches/column_ops.rs	271	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM⚡	rust/hexane/benches/column_ops.rs	273	// ── Bool get (random access) ────────────────────────────────────────────────	COMMENT
MEDIUM⚡	rust/hexane/benches/column_ops.rs	458	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM⚡	rust/hexane/benches/column_ops.rs	460	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM⚡	rust/hexane/benches/column_ops.rs	470	// ── Bulk load: v0 vs v1 vs prefix ────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	25	// ── Helpers: build columns ──────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	50	// ── Get (random access) ─────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	77	// ── Small splice: insert only (no deletes) ──────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	129	// ── String splice ───────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	193	// ── Large splice: insert 100k elements into a 1k column ─────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	213	// ── Large splice: delete only ───────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	240	// ── Large splice: replace ───────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	300	// ── Bool small splice: replace ──────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	352	// ── Bool large splice: insert 100k ──────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	372	// ── Bool large splice: delete only ──────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	389	// ── Bool large splice: replace ──────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	407	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	409	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	536	// ── PrefixColumn queries: get vs get_prefix vs get_index_for_prefix ──────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	688	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	690	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	722	// ── Delta get (random access) ────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	749	// ── Delta insert ─────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	776	// ── Sparse Option<i64> delta mutations at 100k (50% None vs 0% None) ────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	889	// ── Delta save ───────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	924	// ── Delta save (monotonic data — shows compression advantage) ────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	945	// ── Delta load ───────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	968	// ── Delta bulk construction ──────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1011	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1013	// ═══════════════════════════════════════════════════════════════════════════	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1065	// ── nth() on alternating 10k-element runs (1M total) ────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1130	// ── Prefix iter: random values ──────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1168	// ── Prefix iter: alternating runs ───────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1188	// ── Prefix nth: alternating runs ────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1231	// ── Prefix nth: random values ───────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_ops.rs	1252	// ── Save benchmarks ─────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	28	// ── Helpers ──────────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	38	// ── Bulk load u64 100k ───────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	90	// ── Get u64 100k ─────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	142	// ── Insert-1 u64 10k ─────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	208	// ── Splice replace-5 u64 10k ─────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	302	// ── Get bool 100k ────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	354	// ── Insert-1 bool 10k ────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	420	// ── Save u64 100k ────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/max_segments.rs	472	// ── Slab count (informational) ───────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/btree_b_sweep.rs	52	// ── Column<u64> (LenWeight = usize) ────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/btree_b_sweep.rs	131	// ── DeltaColumn<i64> (SlabAgg = 4×i64) ─────────────────────────────	COMMENT
MEDIUM	rust/hexane/benches/column_u64_mutations.rs	53	// ╔══════════════════════════════════════════════════════════════════════════╗	COMMENT
MEDIUM	rust/hexane/benches/column_u64_mutations.rs	55	// ╚══════════════════════════════════════════════════════════════════════════╝	COMMENT
MEDIUM	rust/hexane/benches/column_u64_mutations.rs	124	// ╔══════════════════════════════════════════════════════════════════════════╗	COMMENT
MEDIUM	rust/hexane/benches/column_u64_mutations.rs	126	// ╚══════════════════════════════════════════════════════════════════════════╝	COMMENT
MEDIUM	rust/hexane/src/encoder.rs	30	// ── RLE Encoder ─────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/encoder.rs	493	// ── Bool Encoder ────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/encoder.rs	891	// ── Tests ───────────────────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/btree.rs	36	// ── SlabAggregate trait ─────────────────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/btree.rs	95	// ── SlabAgg (used by DeltaColumn) ───────────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/btree.rs	150	// ── SlabAggregate for usize (LenWeight) ─────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/btree.rs	161	// ── SlabAggregate for PrefixSlabWeight ──────────────────────────────────────	COMMENT
MEDIUM	rust/hexane/src/btree.rs	194	// ── Nodes ───────────────────────────────────────────────────────────────────	COMMENT
151 more matches not shown…

Over-Commented Block329 hits · 316 pts

Severity	File	Line	Snippet	Context
LOW	rust/deny.toml	1	# This template contains all of the possible sections and their default values	COMMENT
LOW	rust/deny.toml	21	targets = [	COMMENT
LOW	rust/deny.toml	41	# A list of advisory IDs to ignore. Note that ignored advisories will still	COMMENT
LOW	rust/deny.toml	61	# See https://spdx.org/licenses/ for list of possible licenses	COMMENT
LOW	rust/deny.toml	81	]	COMMENT
LOW	rust/deny.toml	101	#]	COMMENT
LOW	rust/deny.toml	121	wildcards = "allow"	COMMENT
LOW	rust/deny.toml	141	skip = [	COMMENT
LOW	rust/deny.toml	161	unknown-git = "warn"	COMMENT
LOW	rust/hexane/proptest-regressions/tests.txt	1	# Seeds for failure cases proptest has generated in the past. It is	COMMENT
LOW	rust/hexane/examples/column_splice_profile.rs	1	//! Profile target for `Column<u64>` splice performance.	COMMENT
LOW	rust/hexane/benches/remap.rs	1	//! `Column::remap` benchmark — re-encode every value through a closure.	COMMENT
LOW	rust/hexane/src/encoder.rs	1	//! Streaming encoder for building column data from a sequence of values.	COMMENT
LOW	rust/hexane/src/encoder.rs	101	/// of `value` (or is empty). Both clauses must hold:	COMMENT
LOW	rust/hexane/src/encoder.rs	121	/// Both output methods consume the encoder.	COMMENT
LOW	rust/hexane/src/encoder.rs	581	}	COMMENT
LOW	rust/hexane/src/btree.rs	1	//! Generic B+tree slab index. Generic over an aggregate type `A`	COMMENT
LOW	rust/hexane/src/btree.rs	21	//! thin ~B× slower than leaves (losing a child only when a whole leaf	COMMENT
LOW	rust/hexane/src/btree.rs	41	///	COMMENT
LOW	rust/hexane/src/btree.rs	61	/// (prefix lives in `.prefix`) and [`SlabAgg`] (prefix lives in `.total`).	COMMENT
LOW	rust/hexane/src/btree.rs	1261	}	COMMENT
LOW	rust/hexane/src/bool.rs	1	use crate::column::splice_bytes;	COMMENT
LOW	rust/hexane/src/bool.rs	21	//	COMMENT
LOW	rust/hexane/src/bool.rs	101	tail,	COMMENT
LOW	rust/hexane/src/error.rs	1	/// Errors returned when decoding or validating column data.	COMMENT
LOW	rust/hexane/src/encoding.rs	41		COMMENT
LOW	rust/hexane/src/encoding.rs	181	/// Set the slab segment budget for [`into_column`](Self::into_column).	COMMENT
LOW	rust/hexane/src/encoding.rs	261		COMMENT
LOW	rust/hexane/src/lib.rs	101	/// A run of identical values from a column iterator.	COMMENT
LOW	rust/hexane/src/lib.rs	121	/// \| `u64` \| `u64` \| `RleEncoding` \| no \|	COMMENT
LOW	rust/hexane/src/lib.rs	141	/// Cross-lifetime equality: compare two `Get` values that may have	COMMENT
LOW	rust/hexane/src/lib.rs	161	///	COMMENT
LOW	rust/hexane/src/lib.rs	181	/// None => Err(PackError::BadFormat),	COMMENT
LOW	rust/hexane/src/lib.rs	221	///	COMMENT
LOW	rust/hexane/src/lib.rs	261	/// Construct the `Get` value for a null entry.	COMMENT
LOW	rust/hexane/src/lib.rs	361	#[inline]	COMMENT
LOW	rust/hexane/src/lib.rs	381	///	COMMENT
LOW	rust/hexane/src/raw.rs	1	//! Raw-byte arena column.	COMMENT
LOW	rust/hexane/src/raw.rs	21	use std::ops::Range;	COMMENT
LOW	rust/hexane/src/raw.rs	401	total_len: data.len(),	COMMENT
LOW	rust/hexane/src/raw.rs	501		COMMENT
LOW	rust/hexane/src/index.rs	1	//! `ColumnIndex` abstracts the slab-index backing of a `Column`.	COMMENT
LOW	rust/hexane/src/index.rs	41	/// If `index >= total_items`, returns `(len(), 0)` — past-end sentinel,	COMMENT
LOW	rust/hexane/src/prefix.rs	21	/// arithmetic (`Add`/`Sub`/`Div`) by-value many times per iteration, and	COMMENT
LOW	rust/hexane/src/prefix.rs	41	/// \| `Option<u64>` \| `u128` \|	COMMENT
LOW	rust/hexane/src/prefix.rs	61	+ AddAssign	COMMENT
LOW	rust/hexane/src/prefix.rs	321	}	COMMENT
LOW	rust/hexane/src/prefix.rs	621		COMMENT
LOW	rust/hexane/src/column.rs	201	if start > end {	COMMENT
LOW	rust/hexane/src/column.rs	761	}	COMMENT
LOW	rust/hexane/src/tests.rs	4181	}	COMMENT
LOW	rust/hexane/src/load_opts.rs	1	use crate::column::DEFAULT_MAX_SEG;	COMMENT
LOW	rust/hexane/src/load_opts.rs	61		COMMENT
LOW	rust/hexane/src/load_opts.rs	101	}	COMMENT
LOW	rust/hexane/src/delta/decoder.rs	1	//! Streaming decoder for delta-encoded column bytes.	COMMENT
LOW	rust/hexane/src/delta/mod.rs	21	/// of `T`; this trait maps `T` to and from that inner representation.	COMMENT
LOW	rust/hexane/src/delta/mod.rs	41		COMMENT
LOW	rust/hexane/src/delta/mod.rs	361	}	COMMENT
LOW	rust/hexane/src/rle/mod.rs	21	use crate::Run;	COMMENT
LOW	rust/automerge/tests/test.rs	3001	assert_eq!(s.as_ref(), &ScalarValue::Str("value".into()));	COMMENT
269 more matches not shown…

Modern AI Meta-Vocabulary2 hits · 6 pts

Severity	File	Line	Snippet	Context
MEDIUM	rust/hexane/V1_MIGRATION.md	178	## Cross-check scaffolding pattern	COMMENT
MEDIUM	rust/hexane/V1_MIGRATION.md	239	### Migrated columns (v0 scaffolding removed — v1 is the source of truth)	COMMENT

Slop Phrases1 hit · 3 pts

Severity	File	Line	Snippet	Context
MEDIUM	javascript/src/index.ts	135	* receiveSyncMessage}. Here's a simple example of a loop which just keeps two	COMMENT

Fake / Example Data1 hit · 1 pts

Severity	File	Line	Snippet	Context
LOW	rust/automerge/tests/batch_insert.rs	686	doc.insert(&list_id, 0, "placeholder").unwrap();	CODE

Analysis Overview

What These Metrics Mean

Score History

Severity Breakdown

Directory Score Breakdown

Pattern Findings