Overview
The A/B Test Knowledge Base gives your AI assistant access to 1,600+ real A/B test results from 23 sources. Use it to get data-backed recommendations for wireframes, website audits, design reviews, and CRO strategies.
What's in the database
- 1,600+ tests with real uplift percentages
- 23 sources: GuessTheTest, VWO, CXL, AB Tasty, Invesp, DoWhatWorks, and more
- 8 website sections: hero, differentiation, product_demo, trust, cta, global, doors, resources
- 15 psychological principles: social proof, friction reduction, cognitive ease, and more
- Every test includes: result (winner/loser), uplift %, control & variation descriptions, actionable rule
How it works
The server exposes 7 tools via the Model Context Protocol (MCP):
| Tool | What it does |
|---|---|
search_ab_tests | Keyword search with filters |
semantic_search_ab_tests | AI-powered natural language search |
get_section_insights | Rules and insights per website section |
get_patterns | Recurring patterns backed by multiple tests |
get_test_details | Full details of a specific test |
find_tests_for_wireframe | Section-by-section wireframe brief |
get_ab_test_statistics | Database overview and stats |
Your AI assistant calls these tools automatically when you ask CRO-related questions.
Next steps
- Quickstart — set up in 2 minutes
- Setup Guides — client-specific instructions
- Tools Reference — full parameter docs