session-type-checker

Verify communication protocols in distributed systems through static session type analysis.

17|2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/rainoftime/pl-skills --skill session-type-checker
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: session-type-checker
Source: https://github.com/rainoftime/pl-skills/tree/main/session-type-checker
Command: npx skills add https://github.com/rainoftime/pl-skills --skill session-type-checker

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires linear-type-implementer, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the challenge of ensuring correct and safe communication in distributed systems by verifying that message-passing protocols adhere to their intended types.

Core Features & Use Cases

  • Protocol Verification: Ensures that communication endpoints exchange messages in the correct order and with the expected types.
  • Type-Safe Message Passing: Guarantees that communication channels are used correctly, preventing runtime errors related to message mismatches.
  • Use Case: In a distributed microservices architecture, use this Skill to verify that the client service always sends a "request" message before expecting a "response" from the server service.

Quick Start

Use the session-type-checker skill to verify that the provided client process conforms to the client_protocol session type.

Frequently Asked Questions about session-type-checker

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

FAQPage Schema
How do I verify communication protocols for type-safe message passing in distributed systems?

You can verify communication protocols by implementing session types that enforce type-safe message passing through static analysis, ensuring endpoints exchange messages in the correct order and with expected types to prevent runtime mismatches.

What are session types and how do they work for protocol verification?

Session types are a formalism for protocol verification that enforce type-safe message passing by checking process conformance and handling duality for endpoint verification, ensuring distributed communication endpoints adhere to their intended interaction sequences.

How do I ensure a client process conforms to a specific request-response protocol in microservices?

To ensure client conformance, define the expected session type and use static analysis to check that the client process sends request messages before expecting responses, verifying protocol adherence and preventing communication deadlocks.

Do I need a linear type implementer to check process conformance and duality for endpoint verification?

Yes, checking process conformance and handling duality for endpoint verification requires a linear type implementer dependency to enforce that communication channels are used exactly once and correctly throughout the distributed system.

Can I use session types to prevent runtime errors from message mismatches in concurrent programming?

Yes, session types prevent runtime errors related to message mismatches in concurrent programming by guaranteeing communication channels are used correctly through static analysis before runtime execution begins.