Publisher portfolio
gumballtools.com
Explore the MCP servers published by gumballtools.com, with independent connection checks, performance measurements, and setup instructions for each project.
- Listed servers
- 15
Active projects in this portfolio. Deleted and deprecated registry rows are excluded.
- Sampled servers
- 15
Active servers with a recorded connection probe
- Latest probe connected
- 15
Latest stored probe connected. This is not a live guarantee.
- Repositories
- 1
Distinct source repositories linked by the active listings
Portfolio overview
MCP servers
Compare connection status and measurements. Open a server for its tools, check results, and client configuration.
| Server / capability | Last probe | Median latency | Checks passed | Last checked |
|---|---|---|---|---|
Project Gumball One MCP server exposing every tool in the Gumball portfolio. | Responded | 607 ms | 15 / 22 | |
Body Metrics Convert height and weight, compute BMI, TDEE and protein targets with error bounds. | Responded | 586 ms | 14 / 22 | |
Check Digit Validator Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit | Responded | 511 ms | 14 / 22 | |
Color Companion Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies. | Responded | 555 ms | 14 / 22 | |
Due Date Estimate a due date from LMP, conception, or ultrasound, with ACOG redating rules. | Responded | 803 ms | 14 / 22 | |
Equation Steps Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right. | Responded | 587 ms | 14 / 22 | |
ISO Week Number ISO 8601 week numbers: date to week, week to date, weeks-per-year. | Responded | 588 ms | 14 / 22 | |
JSON to Types Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats. | Responded | 615 ms | 14 / 22 | |
Payload Validator Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings. | Responded | 556 ms | 14 / 22 | |
Penny Rounding Round cash totals to the nearest nickel correctly — after tax, on the total, cash only. | Responded | 619 ms | 14 / 22 | |
Regex Explainer Explain a regex in plain English and detect catastrophic backtracking risk. | Responded | 527 ms | 14 / 22 | |
Sports Rules Work an offside call through IFAB Law 11 or NHL Rule 83, step by step. | Responded | 816 ms | 14 / 22 | |
Timezone Truth Convert times between IANA zones and detect skipped or ambiguous DST local times. | Responded | 599 ms | 14 / 22 | |
Words in Context Words-in-context vocabulary practice questions with distractor explanations. | Responded | 534 ms | 14 / 22 | |
Amortization Schedule Row-by-row loan amortization schedules: monthly or daily accrual, extra principal, PMI, biweekly. | Responded | 563 ms | 13 / 22 |
Company & identity
About gumballtools.com
gumballtools.com publishes MCP servers under the com.gumballtools namespace. This namespace uses a reverse-domain identity in the directory.
Namespace verification connects the publisher to its registry identity. It does not certify the security of individual servers.