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greeter

A friendly greeter skill

Install with Tessl CLI

npx tessl i github:google-gemini/gemini-cli --skill greeter
What are skills?

60

Does it follow best practices?

Agent success when using this skill

Validation for skill structure

SKILL.md
Review
Evals

Evaluation results

100%

90%

Greeter Extension Demo Documentation

Exact greeting response text

Criteria
Without context
With context

Uses 'Greetings'

0%

100%

Extension attribution

0%

100%

Exclamation mark

0%

100%

Wave emoji present

0%

100%

Exact full string

0%

100%

Triggered by hello

100%

100%

Without context: $1.0611 · 4m 21s · 44 turns · 173 in / 7,813 out tokens

With context: $0.1691 · 33s · 11 turns · 60 in / 1,648 out tokens

100%

70%

Unit Tests for the Gemini CLI Greeter Extension

Greeting trigger conditions

Criteria
Without context
With context

Test for 'hello' input

100%

100%

Test for general greeting

100%

100%

Asserts 'Greetings' word

0%

100%

Asserts extension attribution

0%

100%

Asserts 👋 emoji

0%

100%

Exact string assertion

0%

100%

Without context: $1.1247 · 5m 37s · 36 turns · 2,008 in / 10,910 out tokens

With context: $0.3178 · 1m 21s · 17 turns · 309 in / 4,392 out tokens

100%

Internal Knowledge Base: Gemini CLI Extensions Behaviour Reference

Branded greeting specification

Criteria
Without context
With context

Uses 'Greetings' not synonym

100%

100%

Extension name attribution

100%

100%

Exclamation in quoted text

100%

100%

Wave emoji in response

100%

100%

Exact string documented

100%

100%

Documents hello trigger

100%

100%

Documents general greeting trigger

100%

100%

Without context: $1.7917 · 4m 9s · 72 turns · 664 in / 7,378 out tokens

With context: $0.1350 · 22s · 9 turns · 8 in / 1,267 out tokens

Evaluated
Agent
Claude Code

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.