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    Threat Surface Intelligence & DeFi Security Auditor

    by Al1as

    1

    Professional-grade security auditing for DeFi, Web APIs, and AI agents with actionable remediation roadmaps.

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    See it in action

    You say

    Audit this Solidity vault contract for reentrancy and share-price manipulation risks. [Insert Code]

    Your agent does

    RISK SUMMARY

    | ID | Severity | Confidence | Domain | Finding | Affected area | |---|---|---|---|---|---| | SC-01 | Critical | Confirmed | DeFi | Inflation attack via first depositor | deposit() |

    SC-01 — Share Price Manipulation

    Root Cause

    The vault lacks a minimum liquidity requirement, allowing the first depositor to manipulate the exchange rate by donating assets directly to the contract.

    Impact

    Subsequent depositors lose funds due to rounding errors in share calculation.

    Remediation

    Burn the first 1000 shares to a dead address during initialization.

    What you get

    Identify exploitable design weaknesses in smart contracts and web APIs.Map attack surfaces across trust boundaries and privileged roles.Create safe validation plans using unit tests and symbolic traces.Prioritize security fixes based on realistic economic and business impact.

    About this skill

    The problem

    Vulnerability scanners and generic security prompts often flag theoretical issues without understanding business logic, economic impact, or trust boundaries. This leads to noise, false positives, and remediation advice that developers cannot practically implement.

    What it does

    • Builds a structured threat model identifying assets, trust boundaries, and privileged roles before analyzing code.
    • Audits complex DeFi logic including oracle dependencies, flash-loan risks, and economic insolvency scenarios.
    • Evaluates web and API security surfaces for broken access control, tenant isolation failures, and injection risks.
    • Analyzes AI agent architectures for prompt injection, tool abuse, and excessive permission risks.
    • Generates detailed remediation plans with safe validation steps and invariant tests to verify fixes.

    Frameworks & tools

    Works across Solidity smart contracts, DeFi protocols, Web APIs, Cloud IAM (AWS/Azure/GCP), and AI agent frameworks. Covers security standards including OWASP Top 10 and DeFi-specific attack vectors.

    Why this beats prompting it yourself

    This skill enforces a rigorous auditor-grade methodology that separates confidence from severity. It stops you from chasing low-impact bugs by connecting every finding to a specific asset at risk and providing a concrete verification roadmap.

    Use cases

    • Perform a pre-audit security review of a new DeFi protocol or smart contract.
    • Analyze an API specification for authorization bypasses and mass assignment risks.
    • Audit an AI agent deployment for prompt injection and tool-calling safety.
    • Review cloud infrastructure configurations for IAM over-privileging and secret leakage.

    Known limitations

    Requires authorized access to code or architecture docs. Will not generate offensive exploits or malware for live targets.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Creator

    Al1as
    Al1as

    42 skills on Agensi

    I create premium niche AI agent skills and prompts on PromptBase, where I’ve been actively building since 2022, focused on high-value systems that turn complex workflows into clear, practical, and reusable outputs.

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