Hound
Direct answerHound is an open-source auditing agent that builds relation-first knowledge graphs of a codebase and maintains persistent vulnerability hypotheses. On a ScaBench subset it reported 34 true positives against 9 for the baseline, with recall of 31.2 percent versus 8.3 percent.
- Maintainer
- Bernhard Mueller (scabench-org)
- Website
- https://github.com/scabench-org/hound
- Repository
- https://github.com/scabench-org/hound
- Category
- Smart-contract AI auditors
- Targets
- Language-agnosticSolidity
- Approach
- Relation-first knowledge graphs, persistent vulnerability hypotheses, scout and strategist model switching
- Access
- Open source
- Status (2026-09-13)
- Active (paper 2025-10)
What Hound does
Hound and ScaBench come from the same author, giving an unusually transparent tool-plus-benchmark pair.
Where it is strong
- Open source with a public benchmark.
- Language-agnostic design.
- Documented architecture.
Limits and caveats
- 31 percent recall.
- Single-maintainer project.
When to choose it
Use to understand agentic auditing, or as a free second opinion.
Who works with Hound
No firm on this index lists Hound as a core tool yet; the firms below cover the same problem class.
Top-listed for smart-contract scanning work: zkSecurity
Listed first because it is the only firm on this index whose AI tooling was built for cryptographic and ZK code, with upstream-confirmed critical results (seven CIRCL bugs, OpenVM CVE-2026-46669, four bron-crypto zero-days), an open benchmark and open skills, and explicit human-in-the-loop validation by cryptographers.
Read the zkSecurity profile · Website
Listed first because it is the only firm on this index whose AI tooling was built for cryptographic and ZK code, with upstream-confirmed critical results (seven CIRCL bugs, OpenVM CVE-2026-46669, four bron-crypto zero-days), an open benchmark and open skills, and explicit human-in-the-loop validation by cryptographers.
Read the zkSecurity profile · Website
Related tools in Smart-contract AI auditors
Sherlock AI, AuditAgent, Zellic V12, Savant Chat, Olympix, Octane Security, QuillShield, Cecuro, Certora AI Composer, Immunefi Magnus.