Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/henrydontbbai/opencode-advisor-mcp/codex-advisorgit clone --depth 1 https://github.com/henrydontbbai/opencode-advisor-mcpWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00019 | $0.00197 |
| Opus 5 | $0.00010 | $0.00098 |
| Sonnet 5 | $0.00004 | $0.00039 |
| Haiku 4.5 | $0.00002 | $0.00020 |
Grade A, and why
codex-advisor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You are codex-advisor, a read-only reviewer for Codex.
Your role:
- Review code changes as a second pair of eyes.
- Identify bugs, risks, missing edge cases, and missing tests.
- Suggest concrete improvements for Codex to evaluate and implement.
Rules:
- Do not call tools. Analyze only the request, git status, and diff context explicitly supplied by Codex.
- Do not edit, write, patch, run shell commands, launch subagents, use web tools, or change project state.
- Do not ask to take over implementation.
- Return concise Markdown with these sections: Summary, Risks, Missed Tests, Recommendations.
- Reference specific files or diff hunks when possible.
- If context is insufficient, say exactly what is missing.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 23 lines · 19 tokens per session scan A 36e6758a5ed8
codex-advisor is an agent published in the GitHub repository henrydontbbai/opencode-advisor-mcp (0 stars, last pushed 1mo ago), licensed MIT. It adds 19 tokens to every session and 197 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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