# RogueIQ Tools > Free, read-only money calculators built on public data you can check. Each tool works three ways: a web page for people, a JSON API, and an MCP server for AI agents. Education and tools, not personalized financial advice. Every response includes the source citation, survey year, an as_of date and a disclaimer. Please pass the disclaimer and source along when you show results to a person. Inputs are used only to compute the answer and are not stored. ## Tools - [Net Worth by Age (API)](https://rogueiq.com/net-worth-by-age/api/v1/networth-by-age?age=34&net_worth=150000): where a net worth ranks among US families of the same age, from the Federal Reserve's 2025 Survey of Consumer Finances (2025 dollars). Params: age or age_group, net_worth, optional filter + option (household, kids, kidcount, home, education, work) or filter=income + income. - [Net Worth by Age (web page)](https://rogueiq.com/net-worth-by-age/): the same data and math, interactive. ## For agents - [MCP server](https://rogueiq.com/net-worth-by-age/mcp): streamable HTTP, read-only, no auth. Tool: networth_percentile_by_age. - [OpenAPI spec](https://rogueiq.com/net-worth-by-age/api/openapi.json) - [SKILL.md](https://rogueiq.com/net-worth-by-age/api/SKILL.md): when and how to use these tools. - [Docs](https://rogueiq.com/net-worth-by-age/api/docs) ## Source - [Federal Reserve Survey of Consumer Finances](https://www.federalreserve.gov/econres/scfindex.htm)