nav-graph

nav-graph is a skill for Codex from Lykhoyda/rn-dev-agent. It costs 30 tokens per session (241 once invoked), scanned A, original, MIT.

A workflow for building and querying a navigation graph, which is a complete map of an app's screens and the routes between them.

In plain words
What is it for?
Use it to inspect all screens and navigators and to query how users move through the app.
Why use it?
It makes the app's navigation structure visible, helping reveal missing, incorrect, or hard-to-follow routes.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions Codex; $skill-name invocation.

Good fit Use it to inspect all screens and navigators and to query how…

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Install with agentmods
npx agentmods add skills/lykhoyda/rn-dev-agent/nav-graph
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.

Any agent
npx skills add Lykhoyda/rn-dev-agent --skill nav-graph
Clone the repo
git clone --depth 1 https://github.com/Lykhoyda/rn-dev-agent

Made for: Codex.

Wrote 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.

agentmods badge for nav-graph

README.md
[![agentmods](https://agentmods.dev/badge/skills/lykhoyda/rn-dev-agent/nav-graph.svg)](https://agentmods.dev/skills/lykhoyda/rn-dev-agent/nav-graph)
Your own site
<a href="https://agentmods.dev/skills/lykhoyda/rn-dev-agent/nav-graph"><img src="https://agentmods.dev/badge/skills/lykhoyda/rn-dev-agent/nav-graph.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 241 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00030 $0.00241
Opus 5 $0.00015 $0.00120
Sonnet 5 $0.00006 $0.00048
Haiku 4.5 $0.00003 $0.00024

Measured 6d ago against content hash bd64c5dc19ba, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

nav-graph 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 6d 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.

packages/codex-plugin/skills/nav-graph/SKILL.md · 14 lines

What it actually says

Invoke this workflow explicitly as $rn-dev-agent:nav-graph [request text].

The exact text after the skill mention is the conceptual request. It is user-message data, not a shell variable or a Claude command-template substitution. Preserve it while applying the workflow's documented grammar; pass only separately parsed and validated values to MCP tools or package helpers. Never use eval or interpolate the raw request into a shell command.

Read the complete package-local workflow before acting. Resolve that file and every helper relative to this exact SKILL.md path; never scan Codex caches or rely on a plugin-root environment variable. If a required cdp MCP tool is absent from the active task, stop and use the read-only discovery diagnosis. Do not substitute raw Maestro for rn-dev-agent strict proof.

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. 6d ago First seen · 14 lines · 30 tokens per session scan A bd64c5dc19ba

Subscribe to this mod's changes

nav-graph is a skill published in the GitHub repository Lykhoyda/rn-dev-agent (11 stars, last pushed today), licensed MIT. It adds 30 tokens to every session and 241 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.

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