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type-checker-generator

Generate type checkers from formal type system specifications with soundness proofs.

17|2|Updated Feb 16, 2026
Search Tags:#static analysis#code generation#type checking#compiler#type systems#language design
One-click install
npx skills add https://github.com/rainoftime/pl-skills --skill type-checker-generator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: type-checker-generator
Source: https://github.com/rainoftime/pl-skills/tree/main/type-checker-generator
Command: npx skills add https://github.com/rainoftime/pl-skills --skill type-checker-generator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the creation of type checkers for programming languages, ensuring type safety and aiding in language design and prototyping.

Core Features & Use Cases

  • Automated Generation: Creates type checker code from formal type system specifications.
  • Soundness Proofs: Assists in generating proof sketches for type soundness (progress and preservation).
  • Use Case: When designing a new domain-specific language, use this Skill to quickly generate a robust type checker based on your defined type rules, accelerating the prototyping phase.

Quick Start

Use the type-checker-generator skill to create a type checker for a simple lambda calculus with integer and boolean types.

Frequently Asked Questions about type-checker-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a type checker from formal type system specifications?▼

To generate a type checker from formal type system specifications, you provide the parsing rules for your type system, and the tool outputs executable code with error reporting for your programming language.

Can I generate soundness proofs for my type system automatically?▼

Yes, generating soundness proofs is supported. The tool assists in creating proof sketches for type soundness, specifically addressing both progress and preservation theorems for your language design.

What is static analysis type checking and when do I need it for language design?▼

Static analysis type checking verifies type safety in programming languages before runtime. You need it during domain-specific language design and interpreter development to ensure type rules are enforced correctly.

Does this approach work for prototyping a simple lambda calculus interpreter?▼

Yes, this approach works for prototyping interpreters. You can use it to quickly generate a robust type checker for a simple lambda calculus with integer and boolean types, accelerating the development phase.

What are the limitations of automated type checker generation?▼

Automated type checker generation requires formal type system specifications as input and focuses on executable code and proof sketches. It does not replace manual formal methods research for complex language edge cases.

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