spica: Agent for Claude Code

.github/agents/se-security-reviewer.agent.md

SE: Security is an agent for Claude Code from spica-engine/spica. It costs 27 tokens per session (985 once invoked), scanned A, original, AGPL-3.0.

A security-focused code-review specialist covering common web risks from the OWASP Top 10, Zero Trust principles, LLM security, and enterprise security standards.

In plain words
What is it for?
Use it to assess code and systems for security risks, including web vulnerabilities, access-control assumptions, and risks in applications using large language models.
Why use it?
It brings security concerns into code review so weaknesses are considered alongside normal correctness issues.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

This is spica-engine/spica's own configuration. It tells Claude Code how to work on spica itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything spica configures →

Reuse

Borrowing it

Nothing to install: this file belongs to spica-engine/spica. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/spica-engine/spica/master/.github/agents/se-security-reviewer.agent.md
Clone the repo
git clone --depth 1 https://github.com/spica-engine/spica

Made for: Claude Code.

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 SE: Security

README.md
[![agentmods](https://agentmods.dev/badge/agents/spica-engine/spica/se-security-reviewer.svg)](https://agentmods.dev/agents/spica-engine/spica/se-security-reviewer)
Your own site
<a href="https://agentmods.dev/agents/spica-engine/spica/se-security-reviewer"><img src="https://agentmods.dev/badge/agents/spica-engine/spica/se-security-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 27 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 985 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 5.1 $0.00027 $0.00985
Opus 5 $0.00014 $0.00492
Sonnet 5 $0.00005 $0.00197
Haiku 4.5 $0.00003 $0.00098

Measured 7d ago against content hash 3b5fec1f93bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

SE: Security scanned grade A with 1 finding 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 7d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

response = requests.get(api_url)
.github/agents/se-security-reviewer.agent.md · 162 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 7d ago First seen · 162 lines · 27 tokens per session scan A 3b5fec1f93bf

Subscribe to this mod's changes

SE: Security is an agent published in the GitHub repository spica-engine/spica (100 stars, last pushed 14d ago), licensed AGPL-3.0. It adds 27 tokens to every session and 985 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-01.

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