Gumballtools MCP Servers
15 servers published under gumballtools. 1 answered our last handshake, 14 did not, and between them they expose 48 tools.
15 servers 1 answering 14 not responding
Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.
One MCP server exposing every tool in the Gumball portfolio.
Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.
Words-in-context vocabulary practice questions with distractor explanations.
Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.
Row-by-row loan amortization schedules: monthly or daily accrual, extra principal, PMI, biweekly.
Convert height and weight, compute BMI, TDEE and protein targets with error bounds.
Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies.
Estimate a due date from LMP, conception, or ultrasound, with ACOG redating rules.
Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats.
Explain a regex in plain English and detect catastrophic backtracking risk.
Convert times between IANA zones and detect skipped or ambiguous DST local times.
Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.
ISO 8601 week numbers: date to week, week to date, weeks-per-year.