A/B Test Sample Size Calculator MCP MCP

v1.0.0

io.github.theluckystrike/ab-test-sample-size-calculator-mcp

Exact A/B test sample size, duration, z-test, chi-square, Fisher-Freeman-Halton and peeking risk.

transport:streamable-http tools:5

Target client

run in your project directory

claude mcp add --transport http ab-test-sample-size-calculator-mcp https://ab-test-sample-size-calculator-mcp.lipmichal.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs


                calculate_sample_size

calculate sample size


                estimate_test_duration

estimate test duration


                test_ab_significance

test ab significance


                fisher_exact_test

fisher exact test


                check_peeking_risk

Read-only

check peeking risk

All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.