justin/pm-claude-skills
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fix: sync all skill updates and new skills into plugin bundles

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- Synced 97 existing skill SKILL.md files from skills/ to their plugin bundle copies
- Added 7 new skills to plugin bundles:
  - seo-content-brief, media-pitch -> pm-gtm
  - tax-planning-checklist -> pm-finance
  - change-management-plan -> pm-hr
  - sales-forecasting-model -> pm-sales
  - workshop-facilitation-guide -> pm-operations
  - teaching-lesson-plan -> pm-cross

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
mohitagw15856
2026-04-20 21:00:00 +01:00
parent d7f6c2cd05
commit 513e1d3ce7
67 changed files with 1851 additions and 507 deletions
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plugins/pm-delivery/skills/ab-test-planner/SKILL.md
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---
name: ab-test-planner
description: Designs statistically rigorous A/B tests for product features, UI changes, onboarding flows, and pricing experiments. Use when asked to set up an experiment, run an A/B test, calculate sample size, or interpret test results. Triggers on "A/B test", "experiment", "split test", "statistical significance", "sample size".
description: "Design statistically rigorous A/B tests for product features, UI changes, onboarding flows, and pricing experiments. Use when asked to set up an experiment, design an A/B test, calculate sample size, or interpret test results. Produces a complete test plan with hypothesis, variant definitions, sample size, duration estimate, guardrail metrics, and a results interpretation guide."
---
# A/B Test Planner Skill
Design experiments that produce trustworthy results — not just directional signals. Every test output includes hypothesis, success metrics, sample size, duration, and a results interpretation guide.
## Required Inputs
Ask the user for these if not provided:
- **What is being tested** (feature, UI change, copy, pricing, onboarding step)
- **Hypothesis** (or ask to help formulate one)
- **Primary metric** (conversion rate, click-through, completion rate, etc.)
- **Baseline rate** and **minimum detectable effect** (MDE)
- **Daily eligible users** (to calculate duration)
## Experiment Design Checklist
Before running any test, confirm:
@@ -93,3 +102,12 @@ Flag if traffic is too low to reach significance in under 8 weeks — recommend
- If user wants to test multiple variants, explain the multiple comparisons problem and recommend a Bonferroni correction or a Bayesian approach
- If traffic is very low (<1,000 users/day), recommend qualitative alternatives: moderated testing, 5-second tests, or user interviews
- Never approve a test with no guardrail metrics — always protect revenue, retention, or core engagement
## Quality Checks
- [ ] Hypothesis is directional (predicts a specific direction and magnitude, not "let's see")
- [ ] Primary metric is singular (guardrail metrics are secondary)
- [ ] Sample size is calculated from actual MDE and baseline (not guessed)
- [ ] Test duration accounts for weekly seasonality (minimum 2 weeks)
- [ ] Guardrail metrics are defined (at least one to protect revenue or core engagement)
- [ ] Rollback trigger is specified with a concrete threshold