tiger-style

A code-review skill for checking the length and shape of newly added source lines against the TIGERSTYLE rules. It measures added lines in the staged Git diff, while a person reviews the shape rules that scripts cannot judge.

In plain words
What is it for?
Use it before committing, when a TIGER check blocks or warns, or when reviewing another developer's diff for structure rather than correctness.
Why use it?
It catches line-length budget violations before a commit and separates measurable checks from human review of code shape.

Skill for Claude CodeCodex

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 skills/raisedadead/claude-code-plugins/tiger-style
Any agent
npx skills add raisedadead/claude-code-plugins --skill tiger-style
Clone the repo
git clone --depth 1 https://github.com/raisedadead/claude-code-plugins

Made for: Claude Code, Codex.

Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,423 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 $0.00065 $0.02423
Opus 5 $0.00032 $0.01211
Sonnet 5 $0.00013 $0.00485
Haiku 4.5 $0.00006 $0.00242

Measured 2d ago against content hash 19dde16addae, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

tiger-style 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/tiger_check.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/whetstone/skills/tiger-style/SKILL.md · 100 lines

How it starts

The opening of the file, as written. The whole thing — 100 lines — stays where its author put it; the contents beside it link to each section on GitHub.

tiger-style — one shape rule computed, the rest read by hand

One TIGER_STYLE rule is cheap to compute from a diff; the rest need a reader. This skill keeps the two halves apart and labelled — a checklist presented as a gate is worse than no gate.

When to use

  • Before committing a change that adds source lines.
  • When a build reports TIGER: BLOCK or TIGER: NAG and you need to know which limit applied.
  • When reviewing someone else's diff for shape rather than correctness.

Run the check

python3 "${CLAUDE_PLUGIN_ROOT}"/skills/tiger-style/scripts/tiger_check.py [repo-path]

Reads the staged diff (git diff --cached), never HEAD. --cached compares HEAD against the index, which is exactly what the commit will contain. HEAD would compare against the working tree instead: it would flag unstaged edits the commit does not carry, and it fails outright in a repository with no commits yet — a failure the checker would read as "nothing was added".

Only lines the change adds are measured. Existing long lines are somebody else's commit.

exit signal meaning
0 TIGER: CLEAN <n> file(s)[, <m> skipped] no added line is over its limit, across the <n> files examined; <m> more were staged but not measured
1 TIGER: BLOCK <n> <n> added lines exceed a limit the repo declared
2 TIGER: NAG <n> <n> added lines exceed the built-in 100-column fallback
64 the path is not a git work tree

Read the full file on GitHub · 100 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 100 lines · 65 tokens per session scan A 19dde16addae

Subscribe to this mod's changes

tiger-style is a skill published in the GitHub repository raisedadead/claude-code-plugins (2 stars, last pushed 7d ago), licensed ISC. It adds 65 tokens to every session and 2,423 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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