Lending Protocol Patterns

Analyze DeFi lending protocols for vulnerabilities using an audit checklist.

60|18|Updated Jan 21, 2026
One-click install
npx skills add https://github.com/PurpleAILAB/Vigilo --skill lending-protocol-patterns
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Lending Protocol Patterns
Source: https://github.com/PurpleAILAB/Vigilo/tree/main/packages/claude/skills/protocol-patterns/lending
Command: npx skills add https://github.com/PurpleAILAB/Vigilo --skill lending-protocol-patterns

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive knowledge base and checklist for auditing decentralized finance (DeFi) lending protocols, helping to identify critical vulnerabilities and ensure protocol security.

Core Features & Use Cases

  • Vulnerability Patterns: Details common exploits in liquidation logic, interest rate models, collateral management, and health factor calculations.
  • Secure Coding Practices: Offers examples of secure implementations and mitigations for identified risks.
  • Audit Checklist: Provides a structured checklist to guide the auditing process.
  • Use Case: An auditor can use this Skill to quickly reference patterns related to liquidation cascades or precision loss in interest calculations when analyzing a new lending protocol.

Quick Start

Use the Lending Protocol Patterns skill to review common vulnerabilities in DeFi liquidation mechanisms.

Frequently Asked Questions about Lending Protocol Patterns

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

FAQPage Schema
How do I audit DeFi lending protocol smart contracts for liquidation vulnerabilities?

To audit DeFi lending protocol vulnerabilities, review liquidation logic, interest rate models, collateral management, health factor calculations, and bad debt handling. A structured checklist helps identify critical, high, and medium severity risks specific to lending protocols.

What are common vulnerabilities in DeFi lending protocol interest rate models?

Common vulnerabilities in DeFi lending interest rate models include precision loss in calculations and liquidation cascades. Identifying these risks requires analyzing secure coding practices and mitigations for bad debt handling and collateral management.

How do I check health factor calculations and bad debt handling in lending protocols?

Checking health factor calculations and bad debt handling in lending protocols involves referencing a structured audit checklist. This process details common vulnerabilities and secure implementations to identify risks across critical, high, and medium severities.

Does this lending protocol audit checklist cover collateral management and liquidation logic?

Yes, the lending protocol audit checklist covers collateral management and liquidation logic. It provides examples of secure implementations and mitigations for identified risks, helping auditors quickly reference patterns for liquidation cascades and precision loss.

What's the best way to identify critical severity risks in DeFi lending protocols?

The best way to identify critical severity risks in DeFi lending protocols is using a structured knowledge base. It categorizes vulnerabilities by severity and details secure coding practices for liquidation logic, interest rate models, and health factor calculations.

Why does my DeFi lending protocol audit miss liquidation cascade risks?

Your DeFi lending protocol audit may miss liquidation cascade risks without a structured checklist. Reviewing common vulnerability patterns in liquidation logic, collateral management, and health factor calculations ensures critical and high severity risks are identified.