QuillShield: QuillAudits' AI auditor and open-source Claude skills
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QuillShield is QuillAudits' AI auditing product for Solidity, complemented by open-source Claude skills that decompose contract behaviour, model threats and simulate adversaries.

Maintainer: QuillAudits
Website: https://shield.quillai.network
Category: Smart-contract AI auditors
Targets: Solidity
Approach: AI audits plus open-source Claude skills using a 'Semantic State Protocol' (behavioral decomposition, threat modeling, adversarial simulation, risk scoring)
Access: Commercial; skills open source
Status: Active
Strengths: Open skills. | Backed by a human audit firm.
Limits: Solidity only. | Limited public benchmarks.
Firms using it: QuillAudits
Sources: https://shield.quillai.network | https://www.quillaudits.com/blog/ai-agents/first-version-claude-skills

Source page: https://agentsast.com/tools/quillshield/
Compiled by: agentsast editors (https://agentsast.com/about/)
Last reviewed: 2026-09-13