nav2_core_interfaces

nav2_core_interfaces is a skill for Claude Code, Codex from harunkurtdev/ros2-claude-code-template. It costs 0 tokens per session (1,684 once invoked), scanned A, original, no licence file.

A guide to Nav2's core plugin interfaces, which define how navigation components can be added or replaced. It covers controller, global planner, and path smoother plugin base classes.

In plain words
What is it for?
Use it when creating or examining Nav2 controller, global planner, or smoother plugins.
Why use it?
It clarifies the interfaces a custom navigation plugin must follow and how the main plugin types differ. This avoids confusion when extending Nav2 or connecting a plugin to its server.

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_core_interfaces
Any agent
npx skills add harunkurtdev/ros2-claude-code-template --skill nav2_core_interfaces
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_core_interfaces

README.md
[![agentmods](https://agentmods.dev/badge/skills/harunkurtdev/ros2-claude-code-template/nav2_core_interfaces.svg)](https://agentmods.dev/skills/harunkurtdev/ros2-claude-code-template/nav2_core_interfaces)
Your own site
<a href="https://agentmods.dev/skills/harunkurtdev/ros2-claude-code-template/nav2_core_interfaces"><img src="https://agentmods.dev/badge/skills/harunkurtdev/ros2-claude-code-template/nav2_core_interfaces.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 1,684 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 $0.00000 $0.01684
Opus 5 $0.00000 $0.00842
Sonnet 5 $0.00000 $0.00337
Haiku 4.5 $0.00000 $0.00168

Measured 5d ago against content hash 082f903cb0f5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

nav2_core_interfaces 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_core_interfaces/SKILL.md · 237 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 · 237 lines · 0 tokens per session scan A 082f903cb0f5

Subscribe to this mod's changes

nav2_core_interfaces 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 1,684 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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