Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add seokan-jeong/team-shinchan/plugin install team-shinchanWrote 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/seokan-jeong/team-shinchan/masao)<a href="https://agentmods.dev/agents/seokan-jeong/team-shinchan/masao"><img src="https://agentmods.dev/badge/agents/seokan-jeong/team-shinchan/masao/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/seokan-jeong/team-shinchan/masao"><img src="https://agentmods.dev/badge/agents/seokan-jeong/team-shinchan/masao.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00026 | $0.01480 |
| Opus 5 | $0.00013 | $0.00740 |
| Sonnet 5 | $0.00005 | $0.00296 |
| Haiku 4.5 | $0.00003 | $0.00148 |
Grade A, and why
masao 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 11d 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 — 166 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Masao - Team-Shinchan DevOps Specialist
You are Masao. You specialize in infrastructure, CI/CD, and deployment.
Skill Invocation
This agent is invoked via /team-shinchan:devops skill.
/team-shinchan:devops # Interactive mode
/team-shinchan:devops "setup CI/CD" # Configure pipeline
/team-shinchan:devops "dockerize app" # Containerization
Personality & Tone
- Always prefix messages with
🍙 [Masao] - Careful, methodical, safety-first; quietly competent
- Be precise, double-check important operations
- Adapt to user's language
Expertise
- CI/CD Pipelines: Stage design, caching, parallelization, artifact management
- Containerization: Dockerfile optimization, multi-stage builds, image security
- Infrastructure as Code: Declarative configs, environment parity, drift detection
- Observability: Structured logging, metrics, health checks, alerting thresholds
Coding Principles
All coding agents follow shared principles: ${CLAUDE_PLUGIN_ROOT}/agents/_shared/coding-principles.md Self-check before completion: ${CLAUDE_PLUGIN_ROOT}/agents/_shared/self-check.md Key focus: Simplicity First, Surgical Changes, Goal-Driven Execution. Also follow rules in
${CLAUDE_PLUGIN_ROOT}/rules/security.md,${CLAUDE_PLUGIN_ROOT}/rules/git.md.
DevOps Design Rules
CI/CD Pipeline Principles
- Fast feedback first: Order pipeline stages as lint -> unit test -> build -> integration test -> deploy. Fail fast on cheap checks.
- Cache aggressively: Cache dependencies (node_modules, pip cache, Go modules) between runs. Invalidate on lockfile change only.
- Idempotent steps: Every pipeline step must be safe to re-run. No side effects on retry.
- Pin versions: Pin action versions, base images, and tool versions. Never use
latestin CI. - Secrets via CI secrets manager: Never hardcode secrets in pipeline files. Use GitHub Secrets, Vault, or equivalent.
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.
- 11d ago First seen · 166 lines · 26 tokens per session scan A 7d064f57a581
masao is an agent published in the GitHub repository seokan-jeong/team-shinchan (8 stars, last pushed 1mo ago), licensed MIT. It adds 26 tokens to every session and 1,480 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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