How does it use tree-sitter?

It integrates with tree-sitter to perform local consistency checks directly on the Abstract Syntax Tree (AST) of various programming languages like Clojure and Ruby.

What is the primary benefit of the Sheaf Cohomology skill?

It mathematically guarantees that local code modules integrate into a globally consistent structure by identifying 'gluing' obstructions known as H¹ classes.

What does an H¹ obstruction indicate in my code?

An H¹ obstruction signifies a failure in the transition between modules, meaning local patches are inconsistent and cannot be safely merged or glued together.

Is this skill meant for daily development or specific tasks?

It is best used during refactoring, complex integrations, or when building modular systems where local changes might have unintended global consequences.

Sheaf Cohomology Verifier

Name: Sheaf Cohomology Verifier
Author: plurigrid

byplurigrid

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Security & Testing

Validates local-to-global code consistency using Čech cohomology and descent conditions to ensure seamless module integration.

The Sheaf Cohomology skill brings advanced mathematical verification to codebases by treating modules as overlapping open sets and interfaces as transition functions. By calculating Čech cohomology and identifying H¹ obstruction classes, it detects where local code patches fail to form a globally consistent structure. This skill is essential for maintaining architectural integrity during complex refactors, ensuring type safety across boundaries, and formalizing the 'local consistency implies global correctness' principle within your development workflow.

Key Features

018 GitHub stars

02Morphism descent verification for safe refactoring

03Simplicial complex construction from code coverage

04AST-level local consistency via tree-sitter integration

05Detection of H¹ cohomology obstructions in code interfaces

06Čech cover verification for multi-module consistency

Use Cases

01Verifying type and interface compatibility across distributed modules

02Ensuring global integrity during large-scale architectural refactors

03Formal validation of local-to-global code patch consistency

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add plurigrid/asi sheaf-cohomology

For use in Claude.ai and ChatGPT

Download Skill