Repository Analysis

salvo-rs/salvo

A powerful web framework built with a simplified design.

5.3 Low AI signal View on GitHub

Analysis Overview

This report presents the forensic synthetic code analysis of salvo-rs/salvo, a Rust project with 4,397 GitHub stars. SynthScan v2.0 examined 117,755 lines of code across 687 source files, recording 631 pattern matches distributed across 4 syntactic categories. The overall adjusted score of 5.3 places this repository in the Low AI signal 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).

5.3
Adjusted Score
5.3
Raw Score
100%
Time Factor
2026-07-14
Last Push
4.4K
Stars
Rust
Language
117.8K
Lines of Code
687
Files
631
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

This chart maps the temporal evolution of the adjusted synthetic code score across successive scan runs. An upward trajectory indicates ongoing incorporation of AI-generated code or expanding LLM-assisted scaffolding; a stable or declining trajectory may reflect active human refactoring, code removal, or the adoption of stricter authorship policies. The dashed secondary line (right axis) independently tracks total raw pattern hit count, which can diverge from the normalised score when codebase size changes significantly between scans.

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 0LOW 631

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 631 distinct pattern matches across 4 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.

Over-Commented Block595 hits · 580 pts
SeverityFileLineSnippetContext
LOWcrates/serde-util/src/lib.rs101}COMMENT
LOWcrates/craft/tests/craft_oapi_doc_comments.rs21 fn add_ref(&self, left: QueryParam<i64>, right: QueryParam<i64>) -> String {COMMENT
LOWcrates/craft/src/lib.rs1#![cfg_attr(test, allow(clippy::unwrap_used))]COMMENT
LOWcrates/craft/src/lib.rs21//! }COMMENT
LOWcrates/craft/src/lib.rs41//!COMMENT
LOWcrates/craft/src/lib.rs61//! }COMMENT
LOWcrates/craft/src/lib.rs81//! #[craft]COMMENT
LOWcrates/craft/src/lib.rs101//! | `Arc<Self>` | None | Explicit reference counting |COMMENT
LOWcrates/craft/src/lib.rs121//! fn with_ref(&self, value: QueryParam<i64>) -> String {COMMENT
LOWcrates/craft/src/lib.rs141//! ```COMMENT
LOWcrates/craft/src/lib.rs161//! #[craft(handler)]COMMENT
LOWcrates/core/src/test.rs1//! Utilities for testing application.COMMENT
LOWcrates/core/src/test.rs21//! }COMMENT
LOWcrates/core/src/depot.rs1use std::any::{Any, TypeId, type_name};COMMENT
LOWcrates/core/src/depot.rs21/// }COMMENT
LOWcrates/core/src/depot.rs101impl Depot {COMMENT
LOWcrates/core/src/error.rs1//! Error types and handling for Salvo.COMMENT
LOWcrates/core/src/error.rs21//! ```ignoreCOMMENT
LOWcrates/core/src/error.rs61COMMENT
LOWcrates/core/src/error.rs81/// let io_err: Error = std::io::Error::new(std::io::ErrorKind::NotFound, "file not found").into();COMMENT
LOWcrates/core/src/error.rs101 /// These errors typically occur during low-level HTTP processing.COMMENT
LOWcrates/core/src/error.rs121 InvalidUri(http::uri::InvalidUri),COMMENT
LOWcrates/core/src/error.rs141 Eyre(eyre::Report),COMMENT
LOWcrates/core/src/error.rs161 ///COMMENT
LOWcrates/core/src/handler.rs1//! Handler abstractions for processing [`Request`] values.COMMENT
LOWcrates/core/src/handler.rs21//! async fn hello() -> &'static str {COMMENT
LOWcrates/core/src/handler.rs41//! _ctrl: &mut FlowCtrl,COMMENT
LOWcrates/core/src/handler.rs61//! #[handler]COMMENT
LOWcrates/core/src/handler.rs81//! ```COMMENT
LOWcrates/core/src/handler.rs101//! async fn write(self, _req: &mut Request, _depot: &mut Depot, res: &mut Response) {COMMENT
LOWcrates/core/src/handler.rs121//! let acceptor = TcpListener::new("127.0.0.1:8698").bind().await;COMMENT
LOWcrates/core/src/handler.rs141//! req: &mut Request,COMMENT
LOWcrates/core/src/lib.rs1#![cfg_attr(test, allow(clippy::unwrap_used))]COMMENT
LOWcrates/core/src/lib.rs21//! | `native-tls` | TLS built on [`native-tls`](https://crates.io/crates/native-tls) | ❌ |COMMENT
LOWcrates/core/src/writing.rs21/// For scenarios that do not require this flexibility, [`Scribe`] can be used, for exampleCOMMENT
LOWcrates/core/src/writing.rs41///COMMENT
LOWcrates/core/src/server.rs61 /// that *can* be forced, not for the act of forcing, and it does notCOMMENT
LOWcrates/core/src/server.rs81 /// ongoing requests before terminating. It ensures that all connections are closedCOMMENT
LOWcrates/core/src/server.rs141 /// # ExampleCOMMENT
LOWcrates/core/src/server.rs181 self.fuse_policy = Some(Arc::new(policy));COMMENT
LOWcrates/core/src/server.rs261 /// [`FuseConfig::http1_header_timeout`](crate::fuse::FuseConfig::http1_header_timeout)COMMENT
LOWcrates/core/src/server.rs281 }COMMENT
LOWcrates/core/src/server.rs301 /// }COMMENT
LOWcrates/core/src/service.rs61 #[inline]COMMENT
LOWcrates/core/src/service.rs81 /// res: &mut Response,COMMENT
LOWcrates/core/src/service.rs121 filter,COMMENT
LOWcrates/core/src/extract.rs1//! Request extraction for deserializing request data into application types.COMMENT
LOWcrates/core/src/extract.rs21//! }COMMENT
LOWcrates/core/src/extract.rs41//! #[salvo(extract(source(from = "param")))]COMMENT
LOWcrates/core/src/extract.rs61//! last_name: String,COMMENT
LOWcrates/core/src/catcher.rs1//! Error catching and custom error page handling.COMMENT
LOWcrates/core/src/catcher.rs21//! use salvo_core::prelude::*;COMMENT
LOWcrates/core/src/catcher.rs41//! async fn handle404(res: &mut Response, ctrl: &mut FlowCtrl) {COMMENT
LOWcrates/core/src/catcher.rs61//!COMMENT
LOWcrates/core/src/catcher.rs81//!COMMENT
LOWcrates/core/src/catcher.rs461/// debug_cause: only show cause information in error page in debug mode.COMMENT
LOWcrates/core/src/fuse.rs21 Quic,COMMENT
LOWcrates/core/src/fuse.rs41/// TLS-handshake and HTTP/1 header timeouts, which stop slow-handshake / Slowloris attacks andCOMMENT
LOWcrates/core/src/fuse.rs61 /// Maximum duration for reading an HTTP/1 request head.COMMENT
LOWcrates/core/src/fuse.rs81 /// bound.COMMENT
535 more matches not shown…
Fake / Example Data31 hits · 32 pts
SeverityFileLineSnippetContext
LOWcrates/oapi/src/swagger_ui/v5.32.4/swagger-ui.js1!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"fuCODE
LOWcrates/oapi/src/swagger_ui/v5.32.4/swagger-ui.js1!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"fuCODE
LOWexamples/compression/static/sse_chat.txt1Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque,CODE
LOWexamples/compression/static/sse_chat.txt1Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque,CODE
LOWexamples/static-dir-list/static/boy/love/work.txt3"Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaCODE
LOWexamples/static-dir-list/static/boy/love/work.txt3"Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaCODE
LOWexamples/static-dir-list/static/boy/工作/index.html7 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla magna risus, dignissim eu egestas ut, tempor CODE
LOWexamples/static-dir-list/static/boy/工作/index.html7 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla magna risus, dignissim eu egestas ut, tempor CODE
LOWexamples/static-dir-list/static/girl/sleep.txt1Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui. CODE
LOWexamples/static-dir-list/static/girl/sleep.txt1Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui. CODE
LOWexamples/static-dir-list/static/girl/结婚/干嘛.txt8Aenean laoreet dolor sit amet nibh egestas ullamcorper. Phasellus malesuada,CODE
LOWexamples/static-dir-list/static/girl/结婚/财富/必须的.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/结婚/财富/必须的.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/结婚/自由/必须的.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/结婚/自由/必须的.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…mples/static-dir-list/static/girl/结婚/孩子/不想.txt.txt.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…mples/static-dir-list/static/girl/结婚/孩子/不想.txt.txt.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/skirt.html3 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit CODE
LOWexamples/static-dir-list/static/girl/love/skirt.html3 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit CODE
LOWexamples/static-dir-list/static/girl/love/dog.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/dog.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/cat.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/cat.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/eat.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOWexamples/static-dir-list/static/girl/love/eat.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…ples/static-dir-list/static/girl/love/flowers/rose.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…ples/static-dir-list/static/girl/love/flowers/rose.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…ples/static-dir-list/static/girl/love/flowers/lily.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…ples/static-dir-list/static/girl/love/flowers/lily.txt1 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam lectus neque, aliquet ut scelerisque in, blandit et dui.CODE
LOW…les/static-dir-list/static/girl/love/flowers/lotus.txt4 Lorem ipsum dolor sit amet, consectetur adipiscing elit.CODE
LOW…les/static-dir-list/static/girl/love/flowers/lotus.txt4 Lorem ipsum dolor sit amet, consectetur adipiscing elit.CODE
Hyper-Verbose Identifiers4 hits · 4 pts
SeverityFileLineSnippetContext
LOWcrates/oapi/src/swagger_ui/v5.32.4/swagger-ui.js1!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"fuCODE
LOW…src/swagger_ui/v5.32.4/swagger-ui-standalone-preset.js2!function webpackUniversalModuleDefinition(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"fuCODE
LOWexamples/webtransport/static/client.js114async function acceptUnidirectionalStreams(transport) {CODE
LOWexamples/webtransport-acme-http01/static/client.js114async function acceptUnidirectionalStreams(transport) {CODE
Slop Phrases1 hit · 2 pts
SeverityFileLineSnippetContext
LOWcrates/core/src/conn/quinn/client.rs74/// // Don't forget to end up the request by finishing the send stream.COMMENT