String (Grade A)Security-tested data-ai skill for Claude AI. Grade A. Prefer Text over String for text data, and use ByteString for binary or non-Unicode data. Use when writing or reviewing Haskell code that handles

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Reviewed by Daniel Nikulshyn·Updated July 2026

Overview

String (Grade A) is a security-tested data-ai skill for Claude AI, used for handling strings, text, or byte data in Haskell code. It provides guidelines on the use of String, Text, and ByteString types, recommending Text for Unicode strings and ByteString for binary or non-Unicode data. The skill advises against using String due to its inefficiency and tendency to escape multibyte characters. It is not user-invocable and is intended for writing or reviewing Haskell code that handles string data.

Key features

String type guidance
Text vs String recommendations
ByteString usage advice

Pricing

Model: Free
Category: Skills
Rating: No reviews yet

Use cases

Haskell Code Review

Use String (Grade A) when reviewing Haskell code that handles string data to ensure best practices are followed.

Haskell Coding

Use String (Grade A) when writing Haskell code that requires string handling to ensure efficient and safe data processing.

Pros & Cons

Pros

Provides guidelines for efficient string handling in Haskell
Recommends best practices for Text and ByteString usage
Helps avoid common pitfalls with String type

Cons

Not user-invocable, limited to code review and writing
May require additional knowledge of Haskell string types

Reviews

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Q&A

What are the limitations of String (Grade A)?

String (Grade A) has limitations, including being not user-invocable and requiring additional knowledge of Haskell string types. It is recommended to use Text and ByteString instead of String due to its inefficiency and tendency to escape multibyte characters.

Asked by Idris Suleiman · May 3, 2026

Is String (Grade A) user-invocable?

No, String (Grade A) is not user-invocable and is intended for writing or reviewing Haskell code that handles string data.

Asked by Eva Horáková · Feb 27, 2026

When to use Text and ByteString?

Use Text for Unicode strings and ByteString for binary or non-Unicode data. Text is recommended for efficient handling of Unicode characters, while ByteString is suited for binary data or data with unknown encoding.

Asked by Ren Nakamura · Feb 17, 2026

What is String (Grade A) used for?

Asked by Zara Ahmed · Feb 7, 2026

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