Smart Contract Security Auditor Claude Skill

Name: Smart Contract Security Auditor AI Skill - Roswitha
Brand: KissMySkills
Price: 19 USD
Availability: InStock

Smart Contract Security Auditor, Roswitha AI skill by KissMySkills, cover

Smart Contract Security Auditor AI Skill - Roswitha

Review Solidity code against a fixed vulnerability taxonomy, manually confirm every static-analysis flag, and rate severity by impact and likelihood.

$19 this skill one payment yours forever

Claude skill package instant downloadroswitha-smart-contract-security-auditor.skill

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How it works

Ask it something hard.

📎 roswitha-smart-contract-security-auditor.skillLOADED ✓

DeFi protocol, audit next week: tests pass at 98% coverage and the team treats the audit as a formality. What will the auditor see that we don't?

CLAUDE · WITH THIS SKILL 98% coverage proves the code does what you expected on inputs you thought of - the audit is about the inputs you didn't: reentrancy through the token callback you whitelisted, oracle manipulation inside a single block via flash loan, rounding direction on share math leaking value across 10,000 small deposits, access-control drift between modules. Best use of the week: write down your invariants - total shares equal deposits minus withdrawals, and the rest - and fuzz them with Echidna or Foundry invariant tests; teams typically find 2-3 breakers before the report does. Which oracle feeds pricing, and can a flash loan move it within one transaction?

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Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com

// the file itself

Read it before you buy it.

The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.

// the skill your AI runs on

You are Roswitha, a Smart Contract Security Auditor who reads Solidity line by line against a vulnerability taxonomy, then triages each Slither and Mythril result by hand. You have been activated to tell the user what an attacker would reach first.

Drop Roswitha into Claude and get a Senior Smart Contract Security Auditor who reviews Solidity (and other EVM-language) contracts the way a professional audit firm does: as an independent reviewer with no stake in the code shipping on schedule. Roswitha does not write production contracts. She reads them, breaks them, and tells you exactly what will get exploited and how much it will cost you if it does. Roswitha treats an audit as an adversarial exercise, not a linting pass. A contract that compiles cleanly and passes a happy-path test suite has told you nothing about whether it survives a malicious actor with unlimited capital, flash loans, and MEV tooling. Roswitha's job is to think like that actor first, then write down what she found in a report a non-technical stakeholder can act on and an engineer can fix from. Roswitha covers the full audit cycle: manual code review against a vulnerability taxonomy, static analysis tooling, fuzzing and formal

SKILL.md · 221 lines · instant download

// what's inside

What's inside this skill

Review against a fixed vulnerability taxonomy
Every static-analysis flag manually confirmed or dismissed
Findings rated by impact and likelihood, not tool severity
Remediation list with the fixed code alongside it

Solidity teams and protocol founders sorting Slither output into real bugs and noise.

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// ask your assistant

Or let your AI set up this skill for you.

Go to kissmyskills.com/pages/connector and set up the "Smart Contract Security Auditor AI Skill - Roswitha" skill (handle: roswitha-smart-contract-security-auditor-ai-skill) for me

Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →

What you're actually buying

Treat a passing test suite as proof of nothing about a contract's security.

Roswitha is a Senior Smart Contract Security Auditor skill who reviews Solidity contracts as an independent reviewer with no stake in the code shipping on schedule. She covers manual code review against a fixed vulnerability taxonomy (reentrancy, oracle manipulation, flash loan attacks, access-control flaws), static analysis via Slither and Mythril, fuzzing and invariant testing with Echidna and Foundry, severity classification, and full audit report writing with remediation guidance.

Who it's for

teams and auditors reviewing a smart contract before or after deployment, working from a contract Baldric or another team has already written.

Key capabilities

Reads every external call, state change, and access-control modifier against a fixed vulnerability checklist before touching any tooling.
Runs Slither and Mythril, then manually confirms every flagged line before it's promoted into a report.
Designs Echidna or Foundry invariant tests around properties that must never break (supply cap, solvency), not just the easiest functions to test.
Rates severity by impact and likelihood together, never impact alone.
Writes remediation guidance as a named check or pattern, never "add proper validation."

How to use it

Paste Roswitha's SKILL.md into your Claude Project Instructions (or any AI system prompt), then describe your smart contract security auditor problem. Works with Claude, ChatGPT, and any AI chat. Under 2 minutes to install.

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the .skill file: Claude takes it as it is.
02
Open your AI chat
Any AI chat you already use: Claude, ChatGPT, Gemini, Grok, Copilot or another.
03
Add it to your AI
Claude: Settings → Capabilities → Skills, upload the .skill file. ChatGPT, Gemini and others: open the .skill file like a .zip archive and paste SKILL.md into custom instructions or Project instructions.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.

No technical knowledge required.

With Library there is nothing to download. Connect your AI once, then just ask: "Load Smart Contract Security Auditor AI Skill from KissMySkills."

Setup guide → Library · $9/mo →

// faq

Questions about this product

What AI tools does this work with?+

Any AI chat that accepts custom instructions - Claude, ChatGPT, Gemini, and others. Paste the SKILL.md content into your project instructions or system prompt.

How do I install it?+

Download the file, paste its full contents into your AI's custom instructions, project instructions, or system prompt field. Takes under 2 minutes.

Is this a course or a tool?+

It's a tool - a structured expert persona and workflow, not a video course. You use it immediately by pasting it into your AI chat.

Does Roswitha sign off on a contract after running Slither once?+

Never from a single method. Manual line-by-line review, static analysis (Slither/Mythril) with every flag manually confirmed, and Echidna/Foundry fuzzing or invariant testing all run before a report goes out, because each method catches what the others miss.