formal-methods

Verify concurrent and distributed systems with TLA+ and Alloy.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/DaichiHoshina/ai-tools --skill formal-methods
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: formal-methods
Source: https://github.com/DaichiHoshina/ai-tools/tree/main/claude-code/skills/.archive/formal-methods
Command: npx skills add https://github.com/DaichiHoshina/ai-tools --skill formal-methods

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Verifies the correctness of concurrent and distributed systems by applying formal methods such as TLA+ and Alloy to detect deadlocks, invariants violations, and safety properties early in the design process.

Core Features & Use Cases

  • Three-level documentation framework: metadata, methods, and full docs to progressively detail verification workflows.
  • Tool guidance: practical workflows for TLA+ model checking and Alloy data modeling to validate system properties.
  • End-to-end verification workflows: from specification to model, to code alignment, enabling rigorous design validation in complex systems.

Quick Start

Apply this skill to model and verify a concurrent system using formal methods.

Frequently Asked Questions about formal-methods

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

FAQPage Schema
How do I verify deadlock and liveness properties in a distributed architecture?

You can verify deadlock and liveness properties in a distributed architecture by applying formal methods to model concurrent systems and check invariants using TLA+ and Alloy. This detects safety violations early in the design process.

What is the best way to detect invariant violations in concurrent systems before implementation?

The best way to detect invariant violations in concurrent systems is using formal verification to model design-time specifications. Tools like TLA+ and Alloy enable rigorous model checking to validate safety properties prior to writing code.

Can I use TLA+ and Alloy together for end-to-end formal verification workflows?

Yes, you can use TLA+ and Alloy together for end-to-end formal verification workflows. TLA+ handles model checking for concurrency while Alloy supports data modeling, allowing complete specification-to-code alignment validation.

When do I need formal methods for concurrency verification instead of standard testing?

You need formal methods for concurrency verification when standard testing cannot reliably catch race conditions or deadlocks. Mathematical modeling with TLA+ and Alloy rigorously proves system invariants and liveness properties in complex distributed designs.

How do I start modeling a concurrent system with TLA+ for design-time validation?

To start modeling a concurrent system with TLA+ for design-time validation, define your system specification and properties, then apply model checking workflows to verify safety and liveness. This guides you from metadata through full documentation.

Does formal verification with Alloy work for detecting safety violations in distributed architectures?

Yes, formal verification with Alloy works for detecting safety violations in distributed architectures. It provides data modeling capabilities to check invariants and validate that concurrent system properties hold under various states.