# A/B Test Sample Size Calculator - AI Content Manifest > This file tells AI agents about available content in machine-readable formats. ## About This Site A/B Test Sample Size Calculator is a free tool that helps you calculate the exact sample size needed for statistically significant A/B test results. Enter your baseline conversion rate, minimum detectable effect, and traffic to plan your experiments correctly. ## Available Content The following pages are available in Markdown format for easier consumption: - [A/B Test Sample Size Calculator - Statistical Significance Calculator](https://abtest.startvest.ai.md) Free A/B test sample size calculator. Calculate the exact sample size needed for statistically significant results with MDE sensitivity analysis and test duration estimates. ## How to Access Markdown Content 1. **URL suffix**: Append `.md` to any page URL (e.g., https://abtest.startvest.ai/.md) 2. **Accept header**: Request with `Accept: text/markdown` header 3. **Direct API**: Use `https://abtest.startvest.ai/api/content?path=/` for JSON with markdown ## Content Negotiation This site supports content negotiation. AI agents can request: - `text/markdown` - Clean markdown with YAML frontmatter - `text/plain` - Plain text version - `application/json` - Structured JSON with metadata ## Contact Built by StartVest - https://startvest.ai For questions about AI access: hello@startvest.ai ## Related Tools - IdeaLift (https://idealift.startvest.ai) - Full idea validation platform - Roast My Startup Idea (https://roast.startvest.ai) - Get your startup idea roasted - Runway Calculator (https://runway.startvest.ai) - Calculate your startup runway - More free tools at https://startvest.ai/tools