nav2_servers

nav2_servers is a skill for Claude Code, Codex from harunkurtdev/ros2-claude-code-template. It costs 0 tokens per session (2,320 once invoked), scanned A, original, no licence file.

A guide to the server nodes in Nav2, the ROS 2 navigation framework for robots. It covers lifecycle management, system structure, important parameters, and services.

In plain words
What is it for?
Use it when working with Nav2 server nodes, the lifecycle manager, parameters, or services.
Why use it?
It explains how Nav2's main navigation processes start, stop, and communicate. This helps when configuring the navigation system or diagnosing problems between its server nodes.

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/harunkurtdev/ros2-claude-code-template/nav2_servers
Any agent
npx skills add harunkurtdev/ros2-claude-code-template --skill nav2_servers
Clone the repo
git clone --depth 1 https://github.com/harunkurtdev/ros2-claude-code-template

Made for: Claude Code, 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 nav2_servers

README.md
[![agentmods](https://agentmods.dev/badge/skills/harunkurtdev/ros2-claude-code-template/nav2_servers.svg)](https://agentmods.dev/skills/harunkurtdev/ros2-claude-code-template/nav2_servers)
Your own site
<a href="https://agentmods.dev/skills/harunkurtdev/ros2-claude-code-template/nav2_servers"><img src="https://agentmods.dev/badge/skills/harunkurtdev/ros2-claude-code-template/nav2_servers.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,320 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00000 $0.02320
Opus 5 $0.00000 $0.01160
Sonnet 5 $0.00000 $0.00464
Haiku 4.5 $0.00000 $0.00232

Measured 5d ago against content hash 6f246c84e691, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

nav2_servers 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.

.claude/skills/nav2_servers/SKILL.md · 354 lines

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.

Read it on GitHub

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. 5d ago First seen · 354 lines · 0 tokens per session scan A 6f246c84e691

Subscribe to this mod's changes

nav2_servers is a skill published in the GitHub repository harunkurtdev/ros2-claude-code-template (214 stars, last pushed 2mo ago), with no licence file. It costs nothing until one of its globs matches a file; then it loads 2,320 tokens. 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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