file-format-converter

File Format Converter - Auto-activating skill for Data Pipelines. Triggers on: file format converter, file format converter Part of the Data Pipelines skill category.

1.02x

Quality

Does it follow best practices?

Impact

90%

1.02x

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/file-format-converter/SKILL.md

Evaluation results

97%

Data Lake Migration: Historical Sales Data

ETL file format conversion with output validation

Criteria

Without context

With context

ETL separation

66%

75%

Output validation script

100%

Pipeline documentation

100%

Production-ready error handling

80%

100%

CLI interface

100%

Inconsistent date handling

100%

Null / missing value handling

87%

100%

Columnar output format

100%

Step-by-step code structure

75%

100%

Sample output produced

100%

Without context: $0.3364 · 1m 44s · 21 turns · 21 in / 5,959 out tokens

With context: $1.0911 · 4m 6s · 47 turns · 47 in / 15,044 out tokens

79%

Automated Order Data Pipeline for Analytics Reporting

Workflow-orchestrated data transformation with schema flattening

Criteria

Without context

With context

DAG task graph definition

78%

85%

Pipeline executor

100%

Nested customer fields flattened

100%

Items normalised to separate table

100%

Idempotent output writing

100%

Output validation step

Step-by-step structure

100%

Production error handling

25%

Correct order CSV output

100%

Correct items CSV output

80%

70%

Without context: $0.4882 · 1m 58s · 26 turns · 27 in / 7,002 out tokens

With context: $0.6141 · 2m · 34 turns · 478 in / 7,823 out tokens

94%

-1%

Legacy XML Event Log Migration to JSON

Streaming-aware XML to JSON format migration

Criteria

Without context

With context

Streaming XML parser

100%

NDJSON output format

100%

All 8 events present

100%

XML attributes preserved

100%

Nested element data preserved

100%

Validation script

100%

Conversion report produced

100%

CLI interface

100%

Production error handling

37%

25%

Step-by-step code structure

100%

Without context: $0.3013 · 1m 5s · 15 turns · 16 in / 4,294 out tokens

With context: $0.5665 · 1m 52s · 30 turns · 28 in / 7,513 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 Lake Migration: Historical Sales Data Automated Order Data Pipeline for Analytics Reporting Legacy XML Event Log Migration to JSON

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.