gumballtools

15 entries

Row-by-row loan amortization schedules: monthly or daily accrual, extra principal, PMI, biweekly.

2%2% chance this is malicious. Assessed by AI, which can make mistakes.ReadsOnly reads or looks up information. Assessed by AI, which can make mistakes.OpenA remote server; no sign-in.FreeFree to use.

2%2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

BMMCP server: One MCP server.

Body MetricsRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Convert height and weight, compute BMI, TDEE and protein targets with error bounds.

4%4% chance this is malicious. Assessed by AI, which can make mistakes.ReadsOnly reads or looks up information. Assessed by AI, which can make mistakes.OpenA remote server; no sign-in.FreeFree to use.

4%4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

CDMCP server: One MCP server.

Check Digit ValidatorRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit

2%2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

CCMCP server: One MCP server.

Color CompanionRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies.

2%2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

DDMCP server: One MCP server.

Due DateRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Estimate a due date from LMP, conception, or ultrasound, with ACOG redating rules.

4%4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

ESMCP server: One MCP server.

Equation StepsRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.ReadsOnly reads or looks up information. Assessed by AI, which can make mistakes.OpenA remote server; no sign-in.FreeFree to use.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

IWMCP server: One MCP server.

ISO Week NumberRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

ISO 8601 week numbers: date to week, week to date, weeks-per-year.

2%2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

2% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

JTMCP server: One MCP server.

JSON to TypesRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

PVMCP server: One MCP server.

Payload ValidatorRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.

4%4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

PRMCP server: One MCP server.

Penny RoundingRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

PGMCP server: One MCP server.

Project GumballRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

One MCP server exposing every tool in the Gumball portfolio.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

REMCP server: One MCP server.

Regex ExplainerRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Explain a regex in plain English and detect catastrophic backtracking risk.

4%4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

4% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

SRMCP server: One MCP server.

Sports RulesRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Work an offside call through IFAB Law 11 or NHL Rule 83, step by step.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

TTMCP server: One MCP server.

Timezone TruthRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Convert times between IANA zones and detect skipped or ambiguous DST local times.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

WIMCP server: One MCP server.

Words in ContextRun by its publisher: served from their own domain, namespace checked by the registry.

@gumballtools · External

Words-in-context vocabulary practice questions with distractor explanations.

3%3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.

3% chance this is malicious. Assessed by AI, which can make mistakes.Only reads or looks up information. Assessed by AI, which can make mistakes.A remote server; no sign-in.FreeFree to use.