experiment-design-kit

31 stars 7 forks
28
C

Toolkit for structuring hypotheses, variants, guardrails, and measurement plans.

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Installation for Agentic Skill

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skilz install gtmagents/gtm-agents/experiment-design-kit
skilz install gtmagents/gtm-agents/experiment-design-kit --agent opencode
skilz install gtmagents/gtm-agents/experiment-design-kit --agent codex
skilz install gtmagents/gtm-agents/experiment-design-kit --agent gemini

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Works with 22+ AI coding assistants

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Extract and copy to ~/.claude/skills/ then restart Claude Desktop

1. Clone the repository:
git clone https://github.com/gtmagents/gtm-agents
2. Copy the agent skill directory:
cp -r gtm-agents/plugins/growth-experiments/skills/experiment-design-kit ~/.claude/skills/

Need detailed installation help? Check our platform-specific guides:

Related Agentic Skills

Agentic Skill Details

Repository
gtm-agents
Stars
31
Forks
7
Type
Non-Technical
Meta-Domain
development
Primary Domain
javascript
Market Score
28

Agent Skill Grade

C
Score: 70/100 Click to see breakdown

Score Breakdown

Spec Compliance
11/15
PDA Architecture
21/30
Ease of Use
18/25
Writing Style
8/10
Utility
16/20
Modifiers: -4

Areas to Improve

  • Description needs trigger phrases
  • Description lacks activation triggers
  • Templates embedded instead of referenced

Recommendations

  • Address 1 high-severity issues first
  • Add trigger phrases to description for discoverability
  • Add table of contents for files over 100 lines

Graded: 2026-01-24

Developer Feedback

Looking at your skill's focus on structured experimentation—I'm curious how you're handling the balance between prescriptive guidance and letting users adapt the framework to their specific research contexts.

Links:

The TL;DR

You're at 70/100, C territory. This is based on Anthropic's Progressive Disclosure Architecture standards for agentic skills. Your strongest area is Writing Style (8/10)—clear, instructional voice without marketing fluff. The weakest? Spec Compliance (11/15) and Progressive Disclosure (21/30), mainly because your description lacks trigger phrases and you're embedding templates instead of referencing them.

What's Working Well

  • Solid operational structure – Your 5-step Framework (hypothesis → variants → guardrails → measurement → learning loop) is genuinely useful and gives people a concrete path forward
  • Good terminology consistency – You stick with "hypothesis," "guardrail," and "variant" throughout without switching synonyms around, which keeps things scannable
  • Practical guardrail examples – The KPI Guardrails section (activation ±3%, revenue −2%, support tickets <5%) grounds the framework in real numbers rather than abstract concepts
  • Clear cross-functional thinking – Your Operating Model acknowledges different roles (Product, Data, GTM) which reflects real team structures

The Big One: Missing Trigger Phrases in Description

This is your highest-leverage fix. Right now your description says:

"Toolkit for structuring hypotheses, variants, guardrails, and measurement plans."

That's generic enough that Claude won't activate this skill when someone asks "help me design an A/B test" or "create experiment brief."

**Here's the...

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