AI Slop Code Risk Monitor

withastro/starlight

SlopCodeMonitor badge for withastro/starlight Adjusted legacy signal; badge bands: 25 / 50 / 75 (different from dashboard bands).

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1.1 Low pattern signal View on GitHub

Open-Source Code Quality, Security and Technical Debt Review

This report summarizes scanner evidence for withastro/starlight, a TypeScript project with 9,506 GitHub stars. SynthScan examined 56,101 lines of code across 466 source files, recording 49 pattern matches distributed across 4 syntactic categories. The legacy adjusted pattern signal is 1.1 (Low pattern signal); it is not an authorship estimate.

Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.

1.1
Adjusted Signal
1.1
Raw Pattern Score
100%
Time Factor
2026-10-30
Last Push
9.5K
Stars
TypeScript
Language
56.1K
Lines of Code
466
Files
49
Pattern Hits
2026-10-31
Scan Date
0.00
HC Hit Rate

Risk Review · Payload v1

Use each vector to guide manual verification of the underlying findings.

Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.

Cognitive Ownership Risk 4.4/100 · LOW

Can maintainers explain intent, assumptions, and trade-offs? 48 finding(s).

Hallucinated Dependency & Supply Chain Risk 0.9/100 · LOW

Are imports declared and package/API names verified? 1 finding(s).

Agent Over-Engineering Ratio 3.8/100 · LOW

Are wrappers, guards, and repeated structures necessary? 43 finding(s).

PR Review Velocity Impact 5.2/100 · LOW

Which changes need focused human review? 49 finding(s).

What These Metrics Mean

Adjusted Signal
Legacy pattern score normalized per 1,000 scanned lines and multiplied by the repository-level time factor. It is not an estimate of AI authorship.
Raw Pattern Score
Sum of severity- and context-weighted pattern findings before applying the time factor.
Time Factor
A coarse multiplier based on repository last-push metadata. It does not identify when individual code was written.
Pattern Hits
Count of configured pattern findings. Review each location and surrounding code before acting.
HC Hit Rate
High- and critical-severity findings per scanned file. Severity is a configured detector weight, not proof of a vulnerability or authorship.
Lines / Files
Scan coverage denominators used by the legacy normalized score.

Pattern-Signal History

This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.

Severity Breakdown

Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.

CRITICAL 1HIGH 0MEDIUM 1LOW 47

Directory Score Breakdown

This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.

Pattern Findings

The scanner identified 49 distinct pattern matches across 4 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. 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 configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.

Hyper-Verbose Identifiers43 hits · 43 pts
SeverityFileLineSnippetContext
LOWdocs/__a11y__/test-utils.ts144function landmarkUniqueNodeMatcher(node: ViolationNode) {CODE
LOWpackages/file-icons-generator/utils/font.ts124function updateDefinitionsWithAlias(definitions: Definitions<string>, icon: string, alias: string) {CODE
LOWpackages/file-icons-generator/utils/font.ts134function updateDefinitionsRecordWithAlias(CODE
LOWpackages/starlight/__e2e__/icons.test.ts55function getFitIconInViewBoxCommand(CODE
LOW…arlight/__tests__/expressive-code/preprocessor.test.ts268function getStarlightConfigAndUseTranslations(CODE
LOWpackages/starlight/__tests__/sidebar/navigation.test.ts212 function includesOnlyLinksWithTrailingSlash(entry: SidebarEntry | undefined): boolean {CODE
LOWpackages/starlight/__tests__/basics/schema.test.ts86 function parseHeadConfigWithFriendlyErrors(CODE
LOW…kages/starlight/__tests__/basics/config-errors.test.ts5function parseStarlightConfigWithFriendlyErrors(config: StarlightUserConfig) {CODE
LOW…ckages/starlight/__tests__/markdown-processor/utils.ts24export async function createStarlightMarkdownProcessor(CODE
LOW…kages/starlight/__tests__/i18n/translations-ec.test.ts110function getStarlightConfigAndUseTranslations(CODE
LOW…kages/starlight/__tests__/i18n/translations-ec.test.ts124function getExpressiveCodeOverriddenLanguages() {CODE
LOW…s/starlight/src/user-components/file-tree-processor.ts172function getFileIconTypeFromExtension(fileName: string) {CODE
LOW…s/starlight/src/user-components/file-tree-processor.ts225function throwFileTreeValidationError(message: string): never {CODE
LOWpackages/starlight/src/utils/path.ts14export function ensureLeadingAndTrailingSlashes(href: string): string {CODE
LOWpackages/starlight/src/utils/path.ts33export function stripLeadingAndTrailingSlashes(href: string): string {CODE
LOWpackages/starlight/src/utils/navigation.ts100function entriesFromAutogenerateConfig(CODE
LOWpackages/starlight/src/utils/navigation.ts141function linkFromInternalSidebarLinkItem(CODE
LOWpackages/starlight/src/utils/navigation.ts229function getRoutePathRelativeToCollectionRoot(route: Route, locale: string | undefined) {CODE
LOWpackages/starlight/src/utils/navigation.ts406function getIntermediateSidebarFromConfig(CODE
LOWpackages/starlight/src/utils/navigation.ts420function setIntermediateSidebarCurrentEntry(CODE
LOWpackages/starlight/src/utils/navigation.ts508function recursivelyBuildSidebarIdentity(sidebar: SidebarEntry[]): string {CODE
LOWpackages/starlight/src/utils/i18n.ts139function inferStarlightLocaleFromAstroLocale(astroLocale: AstroLocale) {CODE
LOWpackages/starlight/src/utils/i18n.ts158function isAstroLocaleExtendedConfig(locale: AstroLocale): locale is AstroLocaleExtendedConfig {CODE
LOWpackages/starlight/src/utils/collection.ts25export function getCollectionPathFromRoot(CODE
LOWpackages/starlight/src/utils/starlight-page.ts102export async function generateStarlightPageRouteData({CODE
LOWpackages/starlight/src/utils/starlight-page.ts171async function getStarlightPageFrontmatter(frontmatter: StarlightPageFrontmatter) {CODE
LOWpackages/starlight/src/utils/plugins.ts156export function injectPluginTranslationsTypes(CODE
LOWpackages/starlight/src/utils/routing/middleware.ts11export async function attachRouteDataAndRunMiddleware(CODE
LOWpackages/starlight/src/integrations/remark-asides.ts55function transformUnhandledDirective(CODE
LOWpackages/starlight/src/integrations/remark-asides.ts205export function remarkDirectivesRestoration() {CODE
LOW…ges/starlight/src/integrations/vite-virtual-modules.ts20export function vitePluginStarlightVirtualModules(CODE
LOWpackages/starlight/src/integrations/vite-layer-order.ts20export function vitePluginStarlightCssLayerOrder(): VitePlugin {CODE
LOW…kages/starlight/src/integrations/markdown-processor.ts24export function getMarkdownProcessorPaths(options: MarkdownProcessorPluginOptions): string[] {CODE
LOWpackages/starlight/src/integrations/markdown-plugins.ts21export function applyStarlightMarkdownPlugins(CODE
LOWpackages/starlight/src/integrations/markdown-plugins.ts46export function registerDirectivesRestoration(CODE
LOWpackages/starlight/src/integrations/markdown-plugins.ts61export function starlightDirectivesRestorationIntegration(): AstroIntegration {CODE
LOWpackages/starlight/src/integrations/aside-utils.ts35function throwInvalidAsideIconError(icon: string) {CODE
LOW…ight/src/integrations/vite-lazy-barrel-optimization.ts20export function vitePluginStarlightLazyBarrelOptimization(): VitePlugin {CODE
LOWpackages/starlight/src/integrations/satteri.ts64export function satteriDirectivesRestoration(): MdastPluginDefinition {CODE
LOWpackages/starlight/src/integrations/satteri.ts156function satteriRtlCodeSupportPlugin(): HastPluginDefinition {CODE
LOWpackages/starlight/src/integrations/satteri.ts191function satteriAutolinkHeadingsPlugin(t: I18nT): HastPluginDefinition {CODE
LOW…light/src/integrations/expressive-code/preprocessor.ts24export function getStarlightEcConfigPreprocessor({CODE
LOW…/starlight/src/integrations/expressive-code/theming.ts52export function applyStarlightUiThemeColors(theme: ExpressiveCodeTheme) {CODE
Hallucination Indicators1 hit · 10 pts
SeverityFileLineSnippetContext
CRITICALdocs/lunaria.config.ts121 const sourceUpdatedAt = entry.source.git.latestTrackedCommit.date.getTime();CODE
Slop Phrases2 hits · 4 pts
SeverityFileLineSnippetContext
MEDIUMpackages/starlight/tsdown.config.ts26 * This is a basic implementation suitable for Starlight’s needs as the existing `unplugin-raw`COMMENT
LOW.github/workflows/ci.yml40 # When updating filters here, make sure to also add or remove them from theCOMMENT
Over-Commented Block3 hits · 3 pts
SeverityFileLineSnippetContext
LOWpackages/docsearch/src/index.ts81 * },COMMENT
LOWpackages/starlight/src/utils/user-config.ts21 UserConfigTableOfContentsSchema,COMMENT
LOWpackages/starlight/src/components-internals/Icons.ts241 safari:COMMENT