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 alekspetrov/navigator --skill nav-simplifygit clone --depth 1 https://github.com/alekspetrov/navigatorWrote 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/alekspetrov/navigator/nav-simplify)<a href="https://agentmods.dev/skills/alekspetrov/navigator/nav-simplify"><img src="https://agentmods.dev/badge/skills/alekspetrov/navigator/nav-simplify/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/alekspetrov/navigator/nav-simplify"><img src="https://agentmods.dev/badge/skills/alekspetrov/navigator/nav-simplify.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 | $0.00040 | $0.03897 |
| Opus 5 | $0.00020 | $0.01948 |
| Sonnet 5 | $0.00008 | $0.00779 |
| Haiku 4.5 | $0.00004 | $0.00390 |
Grade A, and why
nav-simplify 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 12d 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.
The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
5 files 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.
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.
- 12d ago First seen · 549 lines · 40 tokens per session scan A ec4a66d202d1
nav-simplify is a skill published in the GitHub repository alekspetrov/navigator (232 stars, last pushed yesterday), with no licence file. It adds 40 tokens to every session and 3,897 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 2026-08-30.
Other skills, from other repositories
plan-review-architecture
Architecture-dimension reviewer for written plans. Use when running plan-review or directly when an architectural review is wanted. Activate for keywords like "architecture review", "data flow", "failure modes", "rollback", "edge cases", "test matrix". Scores 5 sub-dimensions 0-10, produces ranked fixes. Always cite…
code-review-loop
Use when opening a PR for review or when receiving review feedback. Activate for keywords like "code review", "PR review", "request review", "review feedback", "address comments", "reviewer said". Covers both ends of the loop: preparing a reviewable PR and acting on feedback rigorously. Always engage with every…
code-review
Analyze diffs, suggest improvements, and review pull requests with actionable feedback.
code-reviewer
Perform thorough code reviews — bugs, security issues, performance bottlenecks, style violations, and architectural concerns.
security-auditor
Audit code for security vulnerabilities — OWASP Top 10, injection flaws, auth issues, secrets exposure, and dependency risks.
human-review
Produce a plain-English review of the files you just edited and gate the changes behind an explicit Approve/Undo choice. Use when the Stop hook from the human-review-skill plugin asks for a review (you'll see a prompt referencing an edit log), OR when the developer's most recent message is "1", "2", "approve", or…