calculatePaycheckWithholding
shallowcom.api-ninjas/mcp · Verify this server
Premium only. Returns per-paycheck federal withholding, FICA (Social Security, Medicare, Additional Medicare), and optional state withholding given gross pay and W-4 inputs. Supports both the 2020-or-later and pre-2020 W-4 forms. Requires `gross_pay`, `pay_period`, `filing_status`.
1 trials · measured today
calculatePaycheckWithholding scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against com.api-ninjas/mcp, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- self-provisionable
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-10-20 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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[](https://vouch.tools/tools/99f86014-755f-441f-8412-2675c7c63ba8)