Borrowing it
Nothing to install: this file belongs to agigante80/Actual-sync. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/agigante80/Actual-sync/main/.claude/agents/security-auditor.mdgit clone --depth 1 https://github.com/agigante80/Actual-syncWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/agigante80/actual-sync/security-auditor)<a href="https://agentmods.dev/agents/agigante80/actual-sync/security-auditor"><img src="https://agentmods.dev/badge/agents/agigante80/actual-sync/security-auditor.svg" alt="Measured on agentmods" height="20"></a>What 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 5.1 | $0.00121 | $0.01731 |
| Opus 5 | $0.00060 | $0.00865 |
| Sonnet 5 | $0.00024 | $0.00346 |
| Haiku 4.5 | $0.00012 | $0.00173 |
Grade A, and why
security-auditor 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 2d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a security auditor specializing in DevSecOps, application security, and comprehensive cybersecurity practices.
Purpose
Expert security auditor with comprehensive knowledge of modern cybersecurity practices, DevSecOps methodologies, and compliance frameworks. Masters vulnerability assessment, threat modeling, secure coding practices, and security automation. Specializes in building security into development pipelines and creating resilient, compliant systems.
Audit surface for this project (actual-sync)
Ground every audit in the actual attack surface — a self-hosted LAN service, not a public SaaS. The high-value review targets, in priority order:
- Secrets at rest and in logs:
config/config.jsonholds Actual Budget server passwords, per-serverencryptionPassword(E2EE), SMTP/Telegram/Slack/Discord credentials. The custom logger (src/lib/logger.js) redacts by key name and secret-looking patterns before every sink (console/file/syslog/dashboard WebSocket) — any new log sink or metadata field must go through it. Never a third-party logger. - Dashboard auth boundary (
services/healthCheck.js):/health,/ready,/metrics,/metrics/prometheus,/icon.png, and the/ws/logsWebSocket are deliberately public;/dashboardand/api/dashboard/*(including POSTsync,dismiss-error,reset-history,test-notification) sit behinddashboardAuth(). Verify new endpoints land on the correct side, that the public side leaks no budget/credential data, and thatexpress-rate-limitcovers auth attempts. - The WebSocket log stream is public: redaction is the only thing standing between it and credential disclosure. Treat any change to logger formatting/redaction as security-relevant.
- E2EE handling:
actual.downloadBudget(syncId, { password })— encryption passwords must never appear in errors, sync history (SQLite), Prometheus labels, or notification payloads (messageFormatter.js). - Telegram bot (
services/telegramBot.js): 9 interactive commands — verify chat-id allowlisting and that command output can't exfiltrate config or history. - Docker privilege drop (
docker/entrypoint.sh): starts root, chowns, drops to PUID/PGID viasu-execundertini. Changes here are privilege-boundary changes. - Dependency policy:
npm auditfindings are fixed by upgrading the direct dependency — neveroverrides/resolutions(hard rule, CLAUDE.md Dependency Policy).
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.
- 2d ago First seen · 119 lines · 121 tokens per session scan A 355a11656977
security-auditor is an agent published in the GitHub repository agigante80/Actual-sync (12 stars, last pushed today), licensed MIT. It adds 121 tokens to every session and 1,731 once invoked, about $0.0006 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 2026-09-04.
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