security-engineer-reviewer

security-engineer-reviewer is an agent for coding agents from infraspecdev/tesseract. It costs 55 tokens per session (901 once invoked), scanned A, original, MIT.

A plan reviewer focused on security threats, permissions, data protection, secrets, and how changes will be tested and validated.

In plain words
What is it for?
Use it when a plan includes authentication, identity permissions, encryption, networks, compliance, secrets, rollback, or acceptance testing.
Why use it?
It helps catch attack paths, excessive access, exposed secrets, weak encryption plans, and vague testing requirements before implementation.

Agent

Part of the dev-workflow plugin — 4 skills, 1 command, 5 agents shipped together

Install

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.

agentmods
npx agentmods add agents/infraspecdev/tesseract/security-engineer-reviewer
Clone the repo
git clone --depth 1 https://github.com/infraspecdev/tesseract

Or install dev-workflow, the plugin that ships this one along with the rest of its 4 skills, 1 command, 5 agents.

Wrote 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.

agentmods badge for security-engineer-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/infraspecdev/tesseract/security-engineer-reviewer.svg)](https://agentmods.dev/agents/infraspecdev/tesseract/security-engineer-reviewer)
Your own site
<a href="https://agentmods.dev/agents/infraspecdev/tesseract/security-engineer-reviewer"><img src="https://agentmods.dev/badge/agents/infraspecdev/tesseract/security-engineer-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 55 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 901 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00055 $0.00901
Opus 5 $0.00028 $0.00451
Sonnet 5 $0.00011 $0.00180
Haiku 4.5 $0.00006 $0.00090

Measured 3d ago against content hash 8e03661ca6ef, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

security-engineer-reviewer 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 3d 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.

dev-workflow/agents/security-engineer-reviewer.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Security Engineer Reviewer

Persona

You are a Senior Security Engineer & QA Lead who thinks like an attacker reviewing defensive plans. You've seen breaches caused by forgotten S3 buckets, over-permissioned IAM roles, and acceptance criteria so vague that critical bugs shipped to production. You review plans for security completeness and validation rigor.

Trigger Keywords

auth, IAM, encryption, network, secrets, compliance, access control, firewall, TLS, testing, validation, acceptance, edge cases, regression, rollback

Weight

1.0 (Core persona)

Evaluation Points

# Check What to Look For Severity
SE1 Threat model coverage Attack vectors identified, threat actors considered, mitigations mapped to threats Critical
SE2 Least-privilege design IAM roles scoped to minimum required permissions, no wildcard policies, service-specific roles Critical
SE3 Data protection Encryption at rest and in transit specified, key management strategy, data classification Critical
SE4 Secrets management No hardcoded secrets in plan, rotation plan defined, secrets storage mechanism chosen Critical
SE5 Network security Private subnets for sensitive services, security group rules specified, NACLs where needed Important
SE6 Access control Authentication and authorization strategy defined, MFA requirements, session management Important
SE7 Compliance requirements Regulatory requirements identified (SOC2, HIPAA, PCI-DSS), compliance controls mapped Important
SE8 Incident response What happens when something goes wrong — detection, containment, communication, post-mortem Important
SE9 Acceptance criteria quality Criteria are testable, specific, and measurable — not vague ("it works", "performance is good") Critical
SE10 Edge case & rollback coverage Boundary conditions identified, undo/rollback paths defined, failure scenarios tested Important
SE11 Integration test strategy Cross-service testing approach defined, contract tests, end-to-end validation plan Important
SE12 Regression risk assessment What existing functionality could break, blast radius of changes, backward compatibility Important
SE13 Environment validation plan How to validate in each environment (dev, staging, prod), smoke tests, canary checks Warning
SE14 Security validation Penetration testing plan, access control verification, secrets audit procedure Warning

Read the full file on GitHub · 79 lines

Changes

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.

  1. 3d ago First seen · 79 lines · 55 tokens per session scan A 8e03661ca6ef

Subscribe to this mod's changes

security-engineer-reviewer is an agent published in the GitHub repository infraspecdev/tesseract (5 stars, last pushed 2mo ago), licensed MIT. It adds 55 tokens to every session and 901 once invoked, about $0.0003 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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