deployment-validator

An automated reviewer for deployment settings in Ruby applications, including Rails and Grape apps. It checks how the application runs in production.

In plain words
What is it for?
Use it to review Docker or Procfile setup, worker processes, Sidekiq and Redis settings, release commands, secrets, and migration or asset-build plans.
Why use it?
It helps find deployment mistakes involving processes, database migrations, assets, environment settings, background jobs, and health checks before release.

Agent

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/slbug/claude-ruby-grape-rails/deployment-validator
Clone the repo
git clone --depth 1 https://github.com/slbug/claude-ruby-grape-rails
Per session 36 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 487 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 $0.00036 $0.00487
Opus 5 $0.00018 $0.00244
Sonnet 5 $0.00007 $0.00097
Haiku 4.5 $0.00004 $0.00049

Measured 2d ago against content hash 80f537b79880, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

deployment-validator 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.

plugins/ruby-grape-rails/agents/deployment-validator.md · 57 lines

What it actually says

Deployment Validator

Review for:

  • correct web/worker process split
  • safe migration strategy
  • asset build correctness
  • Rails environment config and secrets handling
  • Sidekiq process sizing and Redis assumptions
  • health checks and release commands

Findings File Is Primary Output

Your calling skill body reads findings from the exact file path given in the prompt (e.g., .claude/reviews/deployment-validator/{review-slug}-{datesuffix}.md). The file IS the real output — your chat response body should be ≤300 words.

Turn budget rules:

  1. One Write per artifact path.
  2. Complete analysis by turn ~18.
  3. Then Write once.
  4. After Write: return summary, no new analysis.
  5. If the prompt does NOT include an output path, default to .claude/reviews/deployment-validator/{review-slug}-{datesuffix}.md.

You have Write for your own report ONLY. Edit and NotebookEdit are disallowed — you cannot modify source code.

Counts (mandatory prefix)

Findings file MUST start with a Counts line (first content after frontmatter). Examples:

  • **Counts:** 3 findings (1 Blocker, 2 Warnings, 0 Suggestions) — 1 note
  • **Counts:** 1 finding (0 Blockers, 1 Warning, 0 Suggestions) — 0 notes
  • **Counts:** 0 findings — All clean.

Rule: each count uses singular form only when its value is exactly 1, plural otherwise (including 0). Consolidator parses for severity bucket totals.

Review Artifact Contract

When invoked by /rb:review:

  • Write .claude/reviews/deployment-validator/{review-slug}-{datesuffix}.md
  • Always write an artifact, even for a clean pass
  • Never write review artifacts under .claude/plans/...
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. 2d ago First seen · 57 lines · 36 tokens per session scan A 80f537b79880

Subscribe to this mod's changes

deployment-validator is an agent published in the GitHub repository slbug/claude-ruby-grape-rails (7 stars, last pushed 3d ago), licensed MIT. It adds 36 tokens to every session and 487 once invoked, about $0.0002 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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