hello

A sample greeting command from a plugin that demonstrates how coding-agent plugins can add commands and other extensions.

In plain words
What is it for?
Use it to greet someone by name or display a generic greeting when no name is supplied.
Why use it?
It provides a simple way to test that the plugin system is working and show how a command can respond to a user's name.

Command

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 commands/ivan-magda/claude-code-plugin-template/hello
Clone the repo
git clone --depth 1 https://github.com/ivan-magda/claude-code-plugin-template
Per session 10 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 288 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00010 $0.00288
Opus 5 $0.00005 $0.00144
Sonnet 5 $0.00002 $0.00058
Haiku 4.5 $0.00001 $0.00029

Measured yesterday against content hash 42c6976998f4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

hello 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 yesterday.

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.

plugins/hello-world/commands/hello.md · 33 lines

What it actually says

Hello Command

Greet the user warmly and enthusiastically. This is a demonstration command from the Hello World plugin that shows how Claude Code plugins work.

Instructions

  1. If the user provided a name in $ARGUMENTS, greet them personally (e.g., "Hello, Alice! 👋")
  2. If no name was provided, use a friendly generic greeting (e.g., "Hello, there! 👋")
  3. After the greeting, briefly explain that this is an example plugin demonstrating Claude Code's plugin system
  4. Mention that plugins can provide custom commands, agents, hooks, Skills, and MCP servers
  5. Keep the tone warm, friendly, and encouraging

Example responses

With name (/hello World):

Hello, World! 👋

This is a sample command from the Hello World plugin, demonstrating how Claude Code plugins work. Plugins can add custom commands, agents, hooks, Skills, and MCP servers to extend Claude Code's capabilities!

Without name (/hello):

Hello, there! 👋

This is a sample command from the Hello World plugin, demonstrating how Claude Code plugins work. Plugins can add custom commands, agents, hooks, Skills, and MCP servers to extend Claude Code's capabilities!
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. yesterday First seen · 33 lines · 10 tokens per session scan A 42c6976998f4

Subscribe to this mod's changes

hello is a command published in the GitHub repository ivan-magda/claude-code-plugin-template (67 stars, last pushed 2mo ago), licensed MIT. It adds 10 tokens to every session and 288 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.