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AI Slop Code RIsk Monitor

jbeder/yaml-cpp

A YAML parser and emitter in C++

6.9 Moderate pattern signal View on GitHub

Maintenance and Governance Review

This report summarizes scanner evidence for jbeder/yaml-cpp, a C++ project with 6,148 GitHub stars. SynthScan examined 90,072 lines of code across 260 source files, recording 585 pattern matches distributed across 13 syntactic categories. The legacy adjusted pattern signal is 6.9 (Moderate 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.

6.9
Adjusted Signal
6.9
Raw Pattern Score
100%
Time Factor
2026-10-10
Last Push
6.1K
Stars
C++
Language
90.1K
Lines of Code
260
Files
585
Pattern Hits
2026-10-12
Scan Date
0.07
HC Hit Rate

Risk Review · v3

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

Cognitive Ownership Risk 25.3/100 · MEDIUM

Can maintainers explain intent, assumptions, and trade-offs? 562 finding(s).

Hallucinated Dependency & Supply Chain Risk 0.3/100 · LOW

Are imports declared and package/API names verified? 6 finding(s).

Agent Over-Engineering Ratio 4.9/100 · LOW

Are wrappers, guards, and repeated structures necessary? 22 finding(s).

PR Review Velocity Impact 31.6/100 · MEDIUM

Which changes need focused human review? 585 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 18MEDIUM 5LOW 562

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 585 distinct pattern matches across 13 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.

Over-Commented Block525 hits · 466 pts
SeverityFileLineSnippetContext
LOWtest/googletest-1.16.0/ci/macos-presubmit.sh1#!/bin/bashCOMMENT
LOWtest/googletest-1.16.0/ci/macos-presubmit.sh21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOTCOMMENT
LOWtest/googletest-1.16.0/ci/linux-presubmit.sh1#!/bin/bashCOMMENT
LOWtest/googletest-1.16.0/docs/advanced.md941COMMENT
LOWtest/googletest-1.16.0/googletest/CMakeLists.txt1########################################################################COMMENT
LOWtest/googletest-1.16.0/googletest/CMakeLists.txt181########################################################################COMMENT
LOW…st-1.16.0/googletest/test/gtest_xml_output_unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…st-1.16.0/googletest/test/googletest-param-test-test.h1// Copyright 2008, Google Inc.COMMENT
LOW…st-1.16.0/googletest/test/googletest-param-test-test.h21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHTCOMMENT
LOW…etest-1.16.0/googletest/test/googletest-output-test.py1#!/usr/bin/env pythonCOMMENT
LOW…etest/test/googletest-param-test-invalid-name1-test.py1#!/usr/bin/env pythonCOMMENT
LOW…t/googletest-1.16.0/googletest/test/gtest_help_test.py1#!/usr/bin/env pythonCOMMENT
LOW…t/googletest-1.16.0/googletest/test/gtest_help_test.py21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOTCOMMENT
LOW…gletest/test/googletest-global-environment-unittest.py1# Copyright 2021 Google Inc. All Rights Reserved.COMMENT
LOW…/googletest-1.16.0/googletest/test/gtest_test_utils.py1# Copyright 2006, Google Inc.COMMENT
LOW…letest-1.16.0/googletest/test/gtest_json_test_utils.py1# Copyright 2018, Google Inc.COMMENT
LOW…etest/test/googletest-param-test-invalid-name2-test.py1#!/usr/bin/env pythonCOMMENT
LOW…6.0/googletest/test/googletest-json-output-unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…oogletest/test/googletest-break-on-failure-unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…16.0/googletest/test/googletest-setuptestsuite-test.py1#!/usr/bin/env pythonCOMMENT
LOW…16.0/googletest/test/googletest-list-tests-unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…test-1.16.0/googletest/test/googletest-env-var-test.py1#!/usr/bin/env pythonCOMMENT
LOW…test-1.16.0/googletest/test/gtest_xml_outfiles_test.py1#!/usr/bin/env pythonCOMMENT
LOW…gletest-1.16.0/googletest/test/gtest-typed-test_test.h1// Copyright 2008 Google Inc.COMMENT
LOW…gletest-1.16.0/googletest/test/gtest-typed-test_test.h21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHTCOMMENT
LOW…t-1.16.0/googletest/test/gtest_list_output_unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…gletest-1.16.0/googletest/test/gtest_xml_test_utils.py1# Copyright 2006, Google Inc.COMMENT
LOWtest/googletest-1.16.0/googletest/test/production.h1// Copyright 2006, Google Inc.COMMENT
LOWtest/googletest-1.16.0/googletest/test/production.h21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHTCOMMENT
LOW…letest-1.16.0/googletest/test/googletest-color-test.py1#!/usr/bin/env pythonCOMMENT
LOW…t-1.16.0/googletest/test/googletest-filter-unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…1.16.0/googletest/test/gtest_skip_check_output_test.py1#!/usr/bin/env pythonCOMMENT
LOW…letest-1.16.0/googletest/test/gtest_testbridge_test.py1#!/usr/bin/env pythonCOMMENT
LOW….0/googletest/test/googletest-throw-on-failure-test.py1#!/usr/bin/env pythonCOMMENT
LOW…test-1.16.0/googletest/test/googletest-shuffle-test.py1#!/usr/bin/env pythonCOMMENT
LOW…test-1.16.0/googletest/test/googletest-shuffle-test.py21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FORCOMMENT
LOW….16.0/googletest/test/googletest-uninitialized-test.py1#!/usr/bin/env pythonCOMMENT
LOW….0/googletest/test/googletest-catch-exceptions-test.py1#!/usr/bin/env pythonCOMMENT
LOW….16.0/googletest/test/googletest-json-outfiles-test.py1#!/usr/bin/env pythonCOMMENT
LOW…etest/test/gtest_skip_environment_check_output_test.py1#!/usr/bin/env pythonCOMMENT
LOW…1.16.0/googletest/test/googletest-failfast-unittest.py1#!/usr/bin/env pythonCOMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h1// Copyright 2007, Google Inc.COMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHTCOMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h41COMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h61 4251 GTEST_MAYBE_5046_ /* class A needs to have dll-interface to be used byCOMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h141 public:COMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h161 // "is empty" matcher probably only needs to explain what the actualCOMMENT
LOW…etest-1.16.0/googletest/include/gtest/gtest-matchers.h601 return os;COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h1// Copyright 2005, Google Inc.COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHTCOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h41#define GOOGLETEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h61// tests. IMPORTANT: This is an internal utility. Using it may break theCOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h81//COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h101//COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h121// learn wherever you come from. In the following: 'A' denotes aCOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h141// A* matches 0 or many occurrences of ACOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h161// simplicity, the current implementation doesn't search the PATHCOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h221// since the sideeffects of the call are only visible in opt mode, and notCOMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h241// // opt-mode has sideeffect visible.COMMENT
LOW…est-1.16.0/googletest/include/gtest/gtest-death-test.h261//COMMENT
465 more matches not shown…
Cross-File Repetition10 hits · 50 pts
SeverityFileLineSnippetContext
HIGH…etest/test/googletest-param-test-invalid-name1-test.py0verifies that google test warns the user when not initialized properly.STRING
HIGH…etest/test/googletest-param-test-invalid-name2-test.py0verifies that google test warns the user when not initialized properly.STRING
HIGH….16.0/googletest/test/googletest-uninitialized-test.py0verifies that google test warns the user when not initialized properly.STRING
HIGH…etest/test/googletest-param-test-invalid-name1-test.py0runs the given command and verifies its exit code and output.STRING
HIGH…etest/test/googletest-param-test-invalid-name2-test.py0runs the given command and verifies its exit code and output.STRING
HIGH….16.0/googletest/test/googletest-uninitialized-test.py0runs the given command and verifies its exit code and output.STRING
HIGH…test-1.16.0/googletest/test/googletest-env-var-test.py0sets the env variable to 'value'; unsets it when 'value' is none.STRING
HIGH…letest-1.16.0/googletest/test/googletest-color-test.py0sets the env variable to 'value'; unsets it when 'value' is none.STRING
HIGH…t-1.16.0/googletest/test/googletest-filter-unittest.py0sets the env variable to 'value'; unsets it when 'value' is none.STRING
HIGH…1.16.0/googletest/test/googletest-failfast-unittest.py0sets the env variable to 'value'; unsets it when 'value' is none.STRING
Empty Error Handlers7 hits · 35 pts
SeverityFileLineSnippetContext
HIGH…test-1.16.0/googletest/test/gtest_xml_outfiles_test.py99except os.error:CODE
HIGH…test-1.16.0/googletest/test/gtest_xml_outfiles_test.py103except os.error:CODE
HIGH…test-1.16.0/googletest/test/gtest_xml_outfiles_test.py107except os.error:CODE
HIGH…t-1.16.0/googletest/test/googletest-filter-unittest.py48except ImportError:CODE
HIGH….16.0/googletest/test/googletest-json-outfiles-test.py134except os.error:CODE
HIGH….16.0/googletest/test/googletest-json-outfiles-test.py138except os.error:CODE
HIGH….16.0/googletest/test/googletest-json-outfiles-test.py142except os.error:CODE
AI Slop Vocabulary5 hits · 15 pts
SeverityFileLineSnippetContext
MEDIUM…est-1.16.0/googletest/include/gtest/gtest-death-test.h152// This implementation is *not* meant to be as highly tuned or robustCOMMENT
MEDIUM…est-1.16.0/googletest/include/gtest/gtest-death-test.h224// In practice, this can be used to test functions that utilize theCOMMENT
MEDIUMsrc/contrib/dragonbox.h1227 // Without the bound on n_max (which compilers these days never leverage), theCOMMENT
MEDIUMsrc/contrib/dragonbox.h1237 // Without the bound on n_max (which compilers these days never leverage), theCOMMENT
MEDIUMsrc/contrib/dragonbox.h1250 // Without the bound on n_max (which compilers these days never leverage), theCOMMENT
Verbosity Indicators9 hits · 14 pts
SeverityFileLineSnippetContext
LOWsrc/contrib/dragonbox.h3390 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3426 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3484 // Step 3: Find the significand with the smaller divisor.COMMENT
LOWsrc/contrib/dragonbox.h3587 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3626 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3683 // Step 3: Find the significand with the smaller divisor.COMMENT
LOWsrc/contrib/dragonbox.h3731 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3757 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3791 // Step 3: Find the significand with the small divisor.COMMENT
Structural Annotation Overuse9 hits · 13 pts
SeverityFileLineSnippetContext
LOWsrc/contrib/dragonbox.h3390 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3426 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3484 // Step 3: Find the significand with the smaller divisor.COMMENT
LOWsrc/contrib/dragonbox.h3587 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3626 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3683 // Step 3: Find the significand with the smaller divisor.COMMENT
LOWsrc/contrib/dragonbox.h3731 // Step 1: Schubfach multiplier calculation.COMMENT
LOWsrc/contrib/dragonbox.h3757 // Step 2: Try larger divisor; remove trailing zeros if necessary.COMMENT
LOWsrc/contrib/dragonbox.h3791 // Step 3: Find the significand with the small divisor.COMMENT
Deep Nesting7 hits · 7 pts
SeverityFileLineSnippetContext
LOWtest/create-emitter-tests.py8CODE
LOWtest/create-emitter-tests.py123CODE
LOWtest/create-emitter-tests.py174CODE
LOW…letest-1.16.0/googletest/test/gtest_json_test_utils.py35CODE
LOW…letest-1.16.0/googletest/test/gtest_json_test_utils.py46CODE
LOW…gletest-1.16.0/googletest/test/gtest_xml_test_utils.py131CODE
LOW…gletest-1.16.0/googletest/test/gtest_xml_test_utils.py186CODE
Docstring Block Structure1 hit · 5 pts
SeverityFileLineSnippetContext
HIGH…/googletest-1.16.0/googletest/test/gtest_test_utils.py200Changes into a specified directory, if provided, and executes a command. Restores the old directory afterwards. STRING
Fake / Example Data3 hits · 3 pts
SeverityFileLineSnippetContext
LOWtest/integration/emitter_test.cpp1290 "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed eiusmod "CODE
LOWtest/integration/emitter_test.cpp1290 "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed eiusmod "CODE
LOWtest/googletest-1.16.0/docs/reference/mocking.md278 .WillRepeatedly(Return("John Doe")); // Return "John Doe" on all callsCODE
Hyper-Verbose Identifiers3 hits · 3 pts
SeverityFileLineSnippetContext
LOW…t/googletest-1.16.0/googletest/test/gtest_help_test.py130 def test_prints_help_with_full_flag(self):CODE
LOW…t/googletest-1.16.0/googletest/test/gtest_help_test.py157 def test_runs_tests_without_help_flag(self):CODE
LOW…t/googletest-1.16.0/googletest/test/gtest_help_test.py168 def test_runs_tests_with_gtest_internal_flag(self):CODE
Unused Imports3 hits · 3 pts
SeverityFileLineSnippetContext
LOW…test-1.16.0/googletest/test/gtest_xml_outfiles_test.py35CODE
LOW…gletest-1.16.0/googletest/test/gtest_xml_test_utils.py33CODE
LOWutil/check-whitespace.py4CODE
AI Structural Patterns2 hits · 2 pts
SeverityFileLineSnippetContext
LOW…etest-1.16.0/googletest/test/googletest-output-test.py215CODE
LOW…googletest-1.16.0/googlemock/test/gmock_output_test.py72CODE
Redundant / Tautological Comments1 hit · 2 pts
SeverityFileLineSnippetContext
LOW…t-1.16.0/googletest/test/googletest-filter-unittest.py69# Check if this platform can unset environment variables in child processes.COMMENT