Codex writes the code. ARGUS secures it.
You can ask Codex to review a diff. You cannot ask it to be your security control. ARGUS adds full-repo scanning, deterministic merge gates, and audit-ready evidence around the AI agents your team already uses.
Why “just ask the LLM to vet it” falls short.
Coding agents are great at writing code. A security control has to be repeatable, enforceable, and auditable. That is a different job.
Same PR, different answers
Ask twice, get two verdicts. Security gates have to be repeatable, every push, every branch.
It sees the diff, not the repo
An agent reviews the change in front of it. ARGUS traces reachability across the whole codebase, so a CVE in code you never call sinks, and a reachable one rises.
A comment cannot block a merge
An LLM leaves a suggestion. ARGUS posts a commit status you gate on, with a policy you write.
Findings vanish in chat
No tracking, no false-positive state, no SBOM, no audit trail. ARGUS tracks every finding to closure and hands auditors the evidence.
Prompting is not a scanner
Dependencies, secrets, IaC, slopsquats. You would have to remember to prompt for each, every time. ARGUS runs them on every scan.
Cost scales with every push
Re-reviewing each push with a frontier model adds up fast. ARGUS is one control plane with predictable pricing.
ARGUS vs Codex, as a security control.
Not instead of your agent. The guardrail around it.
ARGUS runs a Model Context Protocol server, so the same agents keep working, now with a security control watching the output.
- Codex, Cursor and Copilot query ARGUS and vet their own work before it lands.
- scan_package returns allow / warn / block before npm install runs, catching slopsquats agents hallucinate.
- ARGUS opens the fix as a pull request. A human always merges. Never auto-merged.
- Every finding carries CVSS, reachability, repro steps and a ready-to-run fix.
Questions teams ask.
Can’t I just tell Codex to check for vulnerabilities?
You can, and it will find some. But it reviews the diff non-deterministically, cannot block a merge, does not track findings, and has no reachability or SBOM. That is a helpful review, not a security control.
Is ARGUS a replacement for Codex?
No. ARGUS is the guardrail around it. Keep coding with your agent; ARGUS scans, gates the merge, and opens fixes, and it plugs into the agent over MCP.
Does ARGUS use AI?
Yes, for triage, false-positive re-verification and fix generation, but always behind deterministic gates and human-merged PRs, so the outcome is repeatable.
How is this different from an LLM review bot?
A review bot comments. ARGUS scans the full repo, ranks by reachability, enforces a merge policy, tracks to closure, and produces compliance evidence.