Solo 401k Calculator

MCP server openai

Find out your maximum Solo 401(k) contribution in seconds. Enter your income, age, and business type to see employee and employer contribution limits, plus after-tax room for Mega Backdoor Roth. Supports sole proprietorships, LLCs, and S-corps. Updated for 2025 and 2026 limits.

For educational purposes only. Not financial or tax advice. Consult a professional before making financial decisions.

Homepage: https://bestsolo401k.com
Remote URL: https://contribution-calculator.bestsolo401k.app/mcp
Auth: NONE

Tools (1)

Extracted live via the executor SDK.

solo-401k-calculator

Calculate maximum Solo 401(k) contributions. GUIDANCE: If the user provides AT LEAST ONE input value call the tool with the provided value, and assume the tool will use sensible defaults for the remaining inputs. If they do not provide ANY inputs, ask them for the input values. Unless warranted, just return the tool result without any extra analysis.