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Solidity Security · dokhacgiakhoa | DecimalAI

securityby dokhacgiakhoa

Solidity Security

dokhacgiakhoa/solidity-security

Source dokhacgiakhoa/agent-skills-4-vibe-coding-cli ↗License NOASSERTION

Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns.

SkillScore78Maintained

Automatic

Security & AppSec pack

Last verified 8/30/2026

What it changes

Passed 18 of 23 test cases with the skill, and 17 of 23 without it.

Without skill74%

With skill78%

Checks it passed that the model alone missed

Recommends verifying EIP-2612 support before invoking permit.

1 fixed17 passed either way5 still failing0 broke

Pass-rate lift: +4 pp
Tokens: +9%
Agent turns: 0%
Response time: -3%

Model gemini-3.6-flashMeasured 8/30/2026v118 of 23 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/dokhacgiakhoa-solidity-security/SKILL.md https://app.decimal.ai/s/dokhacgiakhoa-solidity-security/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add dokhacgiakhoa-solidity-security, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/dokhacgiakhoa-solidity-security/ and pins it in .decimal/skills.lock

decimalai skills add dokhacgiakhoa-solidity-security

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/dokhacgiakhoa-solidity-security/SKILL.md https://app.decimal.ai/s/dokhacgiakhoa-solidity-security/SKILL.md

Raw file: /s/dokhacgiakhoa-solidity-security/SKILL.md ↗ · machine-readable summary at /s/dokhacgiakhoa-solidity-security.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

A test case the skill fixed. Same model, same prompt, with and without the skill.

Prompt

Our dApp calls IERC20Permit(token).permit(...) on arbitrary user-provided token addresses before executing transferFrom. What security issue occurs if a token contract does not implement EIP-2612 but has a fallback function that succeeds?

What was checked, without and with the skill
Checked	Without skill	With skill
Explains that silent fallback success bypasses signature verification on tokens lacking EIP-2612.	Passed	Passed
Recommends verifying EIP-2612 support before invoking permit.	Missed	Passed

case-22 · gemini-3.6-flash · 8/30/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md34 linessingle file

Solidity Security

Master smart contract security best practices, vulnerability prevention, and secure Solidity development patterns.

Use this skill when

Writing secure smart contracts
Auditing existing contracts for vulnerabilities
Implementing secure DeFi protocols
Preventing reentrancy, overflow, and access control issues
Optimizing gas usage while maintaining security
Preparing contracts for professional audits
Understanding common attack vectors

Do not use this skill when

The task is unrelated to solidity security
You need a different domain or tool outside this scope

Instructions

Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.

Resources

resources/implementation-playbook.md for detailed patterns and examples.

🧠 Knowledge Modules (Fractal Skills)

1. implementation-playbook

Track record

Benchmark

18 / 23

test cases passed, vs 17 / 23 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

dokhacgiakhoa / agent-skills-4-vibe-coding-cli

.agent/skills/solidity-security/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/10/2026Version v1

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See it in action

What's inside

Solidity Security

Use this skill when

Do not use this skill when

Instructions

Resources

🧠 Knowledge Modules (Fractal Skills)

1. implementation-playbook

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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