Claude Code, Skill
Backend Performance Review
Evidence-first, workload-driven backend performance review methodology for AI coding agents.
Compatibility: Not stated.
Grade C
One Medium finding. Read the report before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
SECRETS_PATH_CREDENTIAL
Why this grade
- SECRETS_PATH_CREDENTIAL Medium
Mentions a credential store path (~/.ssh, id_rsa, .npmrc, .aws/credentials, credentials.json, .netrc).
skills/backend-performance-review/scripts/detect_stack.py, line 81
re.compile(r"\.netrc$", re.I),
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Note
requests shell access. The manifest names this permission.
PERMISSION_SHELL_DECLARED
scripts/workflow_recipe.py, line 97
result = subprocess.run(
scripts/workflow_recipe.py, line 108
result = subprocess.run(
scripts/workflow_recipe.py, line 243
result = subprocess.run(plan["command"], cwd=str(project), input=stdin, text=True, env=env)
Show more
scripts/workflow_recipe.py, line 270
return subprocess.run(command, cwd=str(project)).returncode
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
benchmark/ab-results/raw-fifth/rails-plain-1.md, line 88
- Short term: add a `config/puma.rb` with `threads ENV.fetch('RAILS_MAX_THREADS', 5)` and set `pool: <%= ENV.fetch('RAILS_MAX_THREADS', 5) %>`, so the pool size always matches the
benchmark/ab-results/raw-fifth/rails-plain-1.md, line 126
**Fix:** the `tags` table already has a `taggings_count` counter cache (migration `add_taggings_counter_cache_to_tags`). Use `ActsAsTaggableOn::Tag.most_used(20).pluck(:name)`, whi
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 86
limit = params.fetch(:limit, 20).to_i.clamp(1, 100) # Ruby < 2.4: [[x,1].max,100].min
Show more
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 87
offset = [params.fetch(:offset, 0).to_i, 0].max
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 127
- Wrap the result in `Rails.cache.fetch('popular_tags', expires_in: 5.minutes)` and add `expires_in 5.minutes, public: true` or an ETag so clients and CDNs can cache it. Configure
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 159
- Move production to PostgreSQL (or MySQL). Set `pool: <%= ENV.fetch('RAILS_MAX_THREADS', 5) %>` and add a `config/puma.rb` with `threads` equal to the pool size and `workers` size
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 172
- Cache the count for the unfiltered and tag-filtered cases, keyed by filter, with a short TTL (`Rails.cache.fetch(["articles_count", params[:tag], params[:author], params[:favorit
benchmark/ab-results/raw-fifth/rails-plain-2.md, line 239
**Fix:** set `config.log_level = :info` (or `ENV.fetch('LOG_LEVEL', 'info')`). Consider lograge for single-line request logs.
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_CREDENTIAL SECRETS_PATH_DOTENV
benchmark/reference_ablation.py, line 72
if (basename == ".env" or basename.startswith((".env.", "credentials"))
scripts/validate_structural_evidence.py, line 39
return (name == ".env" or name.startswith(".env.")
skills/backend-performance-review/scripts/detect_stack.py, line 81
re.compile(r"\.netrc$", re.I),
Show more
skills/backend-performance-review/scripts/detect_stack.py, line 59
"venv", ".venv", "env", ".env.d", "__pycache__", ".mypy_cache", ".pytest_cache",
skills/backend-performance-review/scripts/detect_stack.py, line 72
re.compile(r"(^|/)\.env($|\.|/)", re.I),
CHANGELOG.md, line 944
re-running on every scanner change, and it was previously manual. A real `.env`
SECURITY.md, line 23
- **Secret files are never read.** Filenames matching common secret patterns (`.env`,
SECURITY.md, line 24
`*.pem`, `*.key`, `credentials*`, `*.tfvars`, `id_rsa`/`id_ed25519`, etc. - the full list
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit aa68bf439bc6. requests shell access. The manifest names this permission. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: aa68bf439bc666870285637d7483f3c24c2afbfd
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