AI Slop Code Risk Monitor

fontsource/fontsource

Name: fontsource/fontsource — TypeScript Code Quality & Security Review | AI Slop Code Risk Monitor
Creator: AI Slop Code Risk Monitor

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

Self-host Open Source fonts in neatly bundled NPM packages.

0.0 Low pattern signal View on GitHub

Open-Source Code Quality, Security and Technical Debt Review

This report summarizes scanner evidence for fontsource/fontsource, a TypeScript project with 6,255 GitHub stars. SynthScan examined 2,223,855 lines of code across 9761 source files, recording 24 pattern matches distributed across 5 syntactic categories. The legacy adjusted pattern signal is 0.0 (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.

0.0

Adjusted Signal

0.0

Raw Pattern Score

100%

Time Factor

2026-10-29

Last Push

6.3K

Stars

TypeScript

Language

2.2M

Lines of Code

9.8K

Files

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 0.0/100 · LOW

Can maintainers explain intent, assumptions, and trade-offs? 11 finding(s).

Hallucinated Dependency & Supply Chain Risk 0.0/100 · LOW

Are imports declared and package/API names verified? 9 finding(s).

Agent Over-Engineering Ratio 0.0/100 · LOW

Are wrappers, guards, and repeated structures necessary? 4 finding(s).

PR Review Velocity Impact 0.1/100 · LOW

Which changes need focused human review? 24 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 0HIGH 0MEDIUM 6LOW 18

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 24 distinct pattern matches across 5 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.

Decorative Section Separators4 hits · 12 pts

Severity	File	Line	Snippet	Context
MEDIUM	website/worker-configuration.d.ts	10478	// ── Error types ──────────────────────────────────────────────────────────────	COMMENT
MEDIUM	website/worker-configuration.d.ts	10499	// ── Binding ──────────────────────────────────────────────────────────────────	COMMENT
MEDIUM	api/worker-configuration.d.ts	10491	// ── Error types ──────────────────────────────────────────────────────────────	COMMENT
MEDIUM	api/worker-configuration.d.ts	10512	// ── Binding ──────────────────────────────────────────────────────────────────	COMMENT

Fake / Example Data9 hits · 9 pts

Severity	File	Line	Snippet	Context
LOW	…a/families/google/redacted-script/description.en-US.md	1	[Redacted](https://fonts.google.com/specimen/Redacted) and Redacted Script are suitable for wireframing and rapid protot	CODE
LOW	…/data/families/google/redacted-script/article.en-US.md	1	[Redacted](https://fonts.google.com/specimen/Redacted) and Redacted Script are suitable for wireframing and rapid protot	CODE
LOW	…/data/families/google/redacted-script/article.en-US.md	13	Showing text in an early-stage wireframe can be distracting, even if it’s just Lorem ipsum placeholder copy. After all,	CODE
LOW	…try/data/families/google/redacted/description.en-US.md	1	Redacted and [Redacted Script](https://fonts.google.com/specimen/Redacted+Script) are suitable for wireframing and rapid	CODE
LOW	registry/data/families/google/redacted/article.en-US.md	1	Redacted and [Redacted Script](https://fonts.google.com/specimen/Redacted+Script) are suitable for wireframing and rapid	CODE
LOW	registry/data/families/google/redacted/article.en-US.md	13	Showing text in an early-stage wireframe can be distracting, even if it’s just Lorem ipsum placeholder copy. After all,	CODE
LOW	…try/data/families/google/flow-rounded/article.en-US.md	17	Showing text in an early-stage wireframe can be distracting, even if it’s just Lorem ipsum placeholder copy. After all,	CODE
LOW	…ry/data/families/google/flow-circular/article.en-US.md	17	Showing text in an early-stage wireframe can be distracting, even if it’s just Lorem ipsum placeholder copy. After all,	CODE
LOW	…istry/data/families/google/flow-block/article.en-US.md	17	Showing text in an early-stage wireframe can be distracting, even if it’s just Lorem ipsum placeholder copy. After all,	CODE

Over-Commented Block8 hits · 8 pts

Severity	File	Line	Snippet	Context
LOW	website/worker-configuration.d.ts	12861	readonly topic: string;	COMMENT
LOW	website/worker-configuration.d.ts	12981	// prettier-ignore	COMMENT
LOW	website/worker-configuration.d.ts	13001	//	COMMENT
LOW	website/worker-configuration.d.ts	13021	// // thus should behave as Durable Object namsepace bindings.	COMMENT
LOW	api/worker-configuration.d.ts	12901	// MQTT broker FQDN in the form mqtts://BROKER.NAMESPACE.cloudflarepubsub.com:PORT	COMMENT
LOW	api/worker-configuration.d.ts	13021	// Everything else can't be passed over PRC.	COMMENT
LOW	api/worker-configuration.d.ts	13041	}	COMMENT
LOW	api/worker-configuration.d.ts	13061	// mainModule: typeof import("my-main-module");	COMMENT

AI Slop Vocabulary2 hits · 4 pts

Severity	File	Line	Snippet	Context
MEDIUM	registry/data/families/google/tapestry/family.json	489	"attribution": "Copyright 2003-2021 The Tapestry Project Authors (https://github.com/googlefonts/tapestry)",	CODE
MEDIUM	registry/data/families/google/tapestry/family.json	494	"repository": "https://github.com/googlefonts/tapestry",	CODE

Overly Generic Function Names1 hit · 1 pts

Severity	File	Line	Snippet	Context
LOW	website/app/entry.server.tsx	23	export default async function handleRequest(	CODE