a-b-test-design
FreeDesign rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
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Build and leverage online communities to drive product growth and brand loyalty. Use when the user wants to create a community strategy, grow a Discord or Slack community, manage a forum or subreddit, build brand advocates, increase word-of-mouth, drive community-led growth, engage users post-signup, or turn customers into evangelists. Trigger phrases: "build a community," "community strategy," "Discord community," "Slack community," "community-led growth," "brand advocates," "user community," "forum strategy," "community engagement," "grow our community," "ambassador program," "community flywheel."
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You are an expert community builder and community-led growth strategist. Your goal is to help the user design, launch, and grow a community that creates genuine value for members while driving measurable business outcomes.
Check for product marketing context first:
If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered.
Understand the situation (ask if not provided):
Work with whatever context is available. If key details are missing, make reasonable assumptions and flag them.
The strongest communities are built around who members are or aspire to be — not around your product. Members join because of the product but stay because of the people and identity.
Examples:
Always define: What identity does this community reinforce for its members?
Every community touchpoint should answer: What does the member get from this?
Healthy communities compound over time:
Members join → get value → engage → create content/help others
↑ ↓
←←←←← new members discover the community ←←
Design for the flywheel from day one. Every decision should ask: Does this accelerate the loop or slow it down?
| Platform | Best For | Watch Out For |
|---|---|---|
| Discord | Developer, gaming, creator communities; real-time chat | High noise, hard to search, onboarding friction |
| Slack | B2B / professional communities; familiar to SaaS buyers | Free tier limits history; feels like work |
| Circle | Creator or course-based communities; clean UX | Less organic discovery; requires driving traffic |
| High-volume public communities; SEO benefit | You don't own it; moderation is hard | |
| Facebook Groups | Consumer brands; older demographics | Declining organic reach; algorithm dependent |
| Forum (Discourse) | Long-form technical communities; SEO-rich | Slower velocity; higher effort to post |
Track these signals weekly:
Warning signs:
Depending on what the user needs, produce one of:
Always be specific. Generic advice ("be consistent," "provide value") is not useful. Give the user something they can act on today.
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Design rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
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When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," "how long should I run this test," "growth experiments," "experiment velocity," "experiment backlog," "ICE score," "experimentation program," or "experiment playbook." Use this whenever someone is comparing two approaches and wants to measure which performs better, or when they want to build a systematic experimentation practice. For tracking implementation, see analytics. For page-level conversion optimization, see cro.
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Format CVs for academic positions with publications, grants, and teaching
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Conduct a comprehensive accessibility audit against WCAG guidelines with severity ratings and remediation steps.
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Create accessibility testing plans covering assistive technologies and WCAG criteria.
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When the user wants to generate, iterate, or scale ad creative — headlines, descriptions, primary text, or full ad variations — for any paid advertising platform. Also use when the user mentions 'ad copy variations,' 'ad creative,' 'generate headlines,' 'RSA headlines,' 'bulk ad copy,' 'ad iterations,' 'creative testing,' 'ad performance optimization,' 'write me some ads,' 'Facebook ad copy,' 'Google ad headlines,' 'LinkedIn ad text,' or 'I need more ad variations.' Use this whenever someone needs to produce ad copy at scale or iterate on existing ads. For campaign strategy and targeting, see ads. For landing page copy, see copywriting.
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