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.
npx skills add levnikolaevich/claude-code-skills --skill ln-11-plan-reviewergit clone --depth 1 https://github.com/levnikolaevich/claude-code-skillsWrote 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/skills/levnikolaevich/claude-code-skills/ln-11-plan-reviewer)<a href="https://agentmods.dev/skills/levnikolaevich/claude-code-skills/ln-11-plan-reviewer"><img src="https://agentmods.dev/badge/skills/levnikolaevich/claude-code-skills/ln-11-plan-reviewer/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/skills/levnikolaevich/claude-code-skills/ln-11-plan-reviewer"><img src="https://agentmods.dev/badge/skills/levnikolaevich/claude-code-skills/ln-11-plan-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00029 | $0.04145 |
| Opus 5 | $0.00015 | $0.02073 |
| Sonnet 5 | $0.00006 | $0.00829 |
| Haiku 4.5 | $0.00003 | $0.00415 |
Grade A, and why
ln-11-plan-reviewer 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 5d 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 — 131 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Plan Reviewer
Goal: Perform a read-only, evidence-first second pass over an implementation plan. Verify the plan; do not execute it. A strong result is decision-complete, grounded in the actual repository, explicit about uncertainty, no more complex than the problem requires, and expressed in the fewest words and execution steps that preserve safety.
Execution contract: The ordered checkboxes are the Definition of Done. Track every item internally as PENDING, PROVEN with concrete evidence, CLEARED with evidence that its condition is absent, or UNPROVEN with a gap; reading, delegation, or tool failure is not proof. Reconcile items after each section. Before returning, resolve all PENDING and count only PROVEN and CLEARED; apply the skill's verdict and approval rules to every gap.
Preserve user intent, scope, and existing authorization. Continue authorized work; ask only for consequential unresolved choices or required external approval. Scale depth to material risk without silently skipping checks. Preserve dependency and safety ordering; otherwise choose the verification method appropriate to each obligation.
Tool Routing
| Need | Preferred tool | Use it when | Fallback |
|---|---|---|---|
| Repository instructions and current state | Native file read plus Git | Always read the active host's applicable repository instructions; use git status, diff, and history when branch or change context matters |
Equivalent host file and shell tools |
| Paths, text, config, docs, and focused code reads | Native file listing, search, outline, and range reads | The question is textual or structural and does not require symbol identity | Narrow the path and pattern before expanding content |
| Symbols, references, callers, implementations, cycles, and blast radius | Language server or host-native code intelligence | A plan changes existing code relationships, public APIs, module boundaries, or architecture | Targeted search plus direct inspection of definitions and consumers |
| Planned edit risk | Code intelligence plus caller and consumer search | The plan names an edit region, route, event, response contract, or existing change surface | Inspect named symbols and adjacent integration points manually |
| Build, test, migration, and script feasibility | Repository-defined commands through the shell | The plan depends on a command, baseline, generated artifact, or existing test surface being available | Inspect scripts and CI configuration; mark execution unverified |
| Correction and external-claim research | Official vendor documentation, specifications, or standards through documentation search or the web | External behavior or a correction depends on changing platform semantics | Reputable primary engineering material; otherwise mark the claim or correction UNVERIFIED |
| Independent challenge | Native subagents in separate contexts | A plan benefits from execution, fresh-context, or adversarial perspective | Run the selected perspectives once as one bounded self-review batch and report reduced independence |
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.
- 5d ago Changed · -30 lines · -4 tokens per session aa0f866712d4
- 11d ago First seen · 161 lines · 33 tokens per session scan A 5c92bba4d619
ln-11-plan-reviewer is a skill published in the GitHub repository levnikolaevich/claude-code-skills (559 stars, last pushed 5d ago), licensed MIT. It adds 29 tokens to every session and 4,145 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 2026-08-30.
Other skills, from other repositories
dev-rc
The last gate before merge — QA, security audit, review and changelog, with objective pass conditions.
triage-report
Drain the .review/ report queue. Resolves un-triaged scan/audit reports (producer-agnostic — check-docs-consistency and any other scanner), dispatches the triage-report subagent (Sonnet) one report at a time for per-finding dispositions (promote / patch / dup / needs-investigation / dismiss), then the gateway absorbs…
solid-principles
SOLID principles checklist with Java examples. Use when a class has too many responsibilities, an abstraction leaks, or a dependency points the wrong way, and when the user asks about Single Responsibility, Open/Closed, Liskov, Interface Segregation or Dependency Inversion. For naming, duplication and method length…
java-code-review
Systematic code review for Java with null safety, exception handling, concurrency, and performance checks. Use when user says "review code", "check this PR", "code review", or before merging changes.
review-loop
Run the adversarial verification loop — implement, then hand the change to a fresh checker that did not write it, fix what it finds, and re-dispatch until APPROVE. Use before claiming any behavioural change is done, and on requests like "review loop", "adversarial review", "independent review", "get this verified"…
security-review
Perform a focused security review of pending git changes to identify high-confidence security vulnerabilities with real exploitation potential. Use this skill when the user asks for a security review, security audit, vulnerability scan, or wants to check pending changes on a branch for security issues before merging.…