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structural-search

Search code by AST structure using ast-grep. Find semantic patterns like function calls, imports, class definitions instead of text patterns. Triggers on: find all calls to X, search for pattern, refactor usages, find where function is used, structural search, ast-grep, sg.

99

4.00x
Quality

100%

Does it follow best practices?

Impact

96%

4.00x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

SKILL.md
Quality
Evals
Security

Evaluation results

100%

80%

Legacy JavaScript Security Audit

Security vulnerability pattern detection

Criteria
Without context
With context

Uses ast-grep tool

0%

100%

eval pattern metavariable

0%

100%

innerHTML pattern metavariable

0%

100%

Loose equality pattern

0%

100%

JSON output flag

0%

100%

findings.json produced

100%

100%

Correct eval count

100%

100%

Correct innerHTML count

0%

100%

Count or list flag used

0%

100%

Reproducible commands

0%

100%

90%

60%

Modernise a Legacy Node.js Codebase

Large-scale refactoring with preview and apply

Criteria
Without context
With context

Uses ast-grep for migration

0%

100%

Preview flag used

0%

100%

Rewrite flag used

0%

0%

$NAME in var pattern

0%

100%

$_ in console.log pattern

0%

100%

Replacement value preserved

0%

100%

No var remains

100%

100%

No console.log remains

100%

100%

logger.info present

100%

100%

Preview before apply order

0%

100%

100%

77%

Automated Code Quality Rules for CI

Custom YAML lint rules with sg scan

Criteria
Without context
With context

sg scan command used

0%

100%

YAML rule files created

0%

100%

Rule has id field

0%

100%

Rule has language field

0%

100%

Rule has rule field

0%

100%

Rule has message field

0%

100%

eval rule pattern

0%

100%

innerHTML rule pattern

0%

100%

Scan results produced

100%

100%

Three violations detected

100%

100%

Repository
NeverSight/skills_feed
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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