extract-errors

Use when adding new error messages to React, or seeing "unknown error code" warnings.

1.14x

Quality

41%

Does it follow best practices?

Impact

81%

1.14x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

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npx tessl skill review --optimize ./.claude/skills/extract-errors/SKILL.md

Evaluation results

70%

Error Code Registry Maintenance

New error code reporting

Criteria

Without context

With context

Uses package script

Identifies unregistered errors

100%

Codes-need-update finding

100%

Commands documented

100%

30%

Pre-Release Error Code Audit

Error code currency verification

Criteria

Without context

With context

Uses package script

100%

Up-to-date conclusion

100%

Registry count reported

100%

Commands documented

100%

75%

Investigating Unknown Error Code Warnings

Unknown error code investigation

Criteria

Without context

With context

Uses package script

Identifies all new errors

100%

Not up to date finding

100%

Commands documented

100%

Repository: facebook/react
Commit: 705268d

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Error Code Registry Maintenance Pre-Release Error Code Audit Investigating Unknown Error Code Warnings

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