metadata-extractor

Metadata Extractor - Auto-activating skill for Data Pipelines. Triggers on: metadata extractor, metadata extractor Part of the Data Pipelines skill category.

1.08x

Quality

Does it follow best practices?

Impact

77%

1.08x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/11-data-pipelines/metadata-extractor/SKILL.md

Evaluation results

71%

11%

Data Ingestion Quality Gate

Production-ready metadata profiler

Criteria

Without context

With context

CLI arguments

83%

100%

Error handling present

60%

20%

Logging or progress output

50%

Output validation before write

No hardcoded paths

50%

80%

Null percentage included

100%

Structured nested JSON

100%

Descriptive statistics for numerics

100%

Inferred data types

100%

Configurable script (no source edits needed)

100%

Without context: $0.2367 · 57s · 15 turns · 16 in / 3,266 out tokens

With context: $0.4792 · 1m 34s · 29 turns · 28 in / 5,828 out tokens

86%

12%

Sales Data Consolidation Pipeline

Step-by-step ETL workflow

Criteria

Without context

With context

Distinct pipeline stages

100%

Report covers full process

100%

Record counts in report

100%

Data quality issues reported

100%

Configurable directories

25%

33%

Error handling

100%

Correct consolidated output

100%

Logging or status messages

50%

40%

Dynamic file discovery

100%

Run timestamp in report

100%

Without context: $0.2821 · 1m 10s · 16 turns · 15 in / 4,734 out tokens

With context: $0.8573 · 3m 4s · 36 turns · 65 in / 13,370 out tokens

74%

-5%

Event Stream Schema Monitor

Streaming metadata with output validation

Criteria

Without context

With context

Baseline comparison present

100%

Missing required field flagged

100%

Unexpected field flagged

100%

Per-field presence rate

100%

60%

Per-field inferred type

100%

CLI arguments

Error handling

75%

62%

Validation results structured

100%

Output written to file

100%

Example values included

Without context: $0.3760 · 1m 23s · 21 turns · 62 in / 5,897 out tokens

With context: $0.5145 · 1m 50s · 29 turns · 691 in / 6,943 out tokens

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 0c08951

Evaluated: 17 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Data Ingestion Quality Gate Sales Data Consolidation Pipeline Event Stream Schema Monitor

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