US Freelancer Tax Calculator 2026
NPM · FREELANCE-TAX-MCP
2026 US freelancer tax: quarterly estimates, SE tax, QBI, mileage, home office, SEP/401k, per diem.
Available components
Last scanned (22 hours ago)
Scores higher than 31% of npm servers
Category Finance and Payments
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →
Supply Chain Security81
- No malware found by supply-chain analysis.Pass
- CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available. View diagnostics → Fail
- No install/post-install scripts declared.Pass
- 30 of 93 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 6 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability57
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 2557 tokens (~182/item across 14 items; 14 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management0
- Stability not yet verified: not enough scan history yet (needs a 30-day window).Unverified
Tool Coverage95
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 86% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 14 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 14 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Unverified: 1 category
A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 28 Oct 26 +20
- CVE-2023-54404 affects this package: high ▼ security
- Known CVEs: unverified → fail ▼ security
- Malware scan: unverified → pass ▲ security
- Dependency health: unverified → 0.85 ▲ functional
- 27 Oct 26 41
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 4 Nov 2026 · Analysed npm/freelance-tax-mcp@1.4.0
Provenance No attestation
The registry publishes no build provenance for this version, so there is nothing to verify.
| Result | No attestation |
|---|---|
| Ecosystem | npm |
Background: How many MCP packages publish verified provenance →
Vulnerabilities 1 finding
| ID | CVE | Severity | Vector | Fix available |
|---|---|---|---|---|
| GHSA-mrhx-c7xc-m3w5 | CVE-2023-54404 | high | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | yes |
Background: What a vulnerability scan can and cannot prove →
Dependencies 93 packages
| Packages resolved | 93 |
|---|---|
| Stale | 30 |
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
due_dates Estimated tax due dates ~41
IRS quarterly estimated tax due dates for a tax year, moved past weekends and DC legal holidays.
| Name | Type | Req | Description |
|---|---|---|---|
| year | integer | – | Tax year (default 2026) |
No output schema declared.
No examples provided.
estimate 2026 quarterly estimated tax ~259
US federal 2026 estimate for a freelancer or sole proprietor: self-employment tax, income tax, safe-harbor quarterly payment and IRS due dates. Planning estimate, not tax advice.
| Name | Type | Req | Description |
|---|---|---|---|
| filing_status | string | – | Filing status (default single) |
| months | integer | – | Months covered by ytd_profit (1-12) |
| net_profit | number | – | Expected 2026 net self-employment profit (Schedule C line 31), USD |
| prior_year_agi | number | – | 2025 AGI (over $150k uses the 110% rule) |
| prior_year_tax | number | – | 2025 total tax (for the prior-year safe harbor) |
| qbi | boolean | – | Apply the simple 20% QBI deduction (default true) |
| spouse_w2_wages | number | – | Spouse W-2 wages (mfj) |
| state_rate_pct | number | – | Flat state income tax rate % for a rough state estimate |
| w2_wages | number | – | Your W-2 wages this year |
| withholding | number | – | Federal tax withheld from W-2 pay |
| ytd_profit | number | – | Profit so far this year; annualized with months |
No output schema declared.
No examples provided.
freelance_hourly_rate Freelance hourly rate calculator ~292
Hourly and day rate a freelancer needs to take home a target income after tax, business costs, time off, non-billable hours and a slow-month buffer; optionally checks what a given rate pays per year. Defaults match the free web calculator ($60,000 take-home, $6,000 costs, 30% tax, 6 weeks off, 40 h/week, 65% billable, 10% buffer, 8 h day).
| Name | Type | Req | Description |
|---|---|---|---|
| billable_pct | number | – | Share of hours you can bill % (default 65) |
| buffer_pct | number | – | Buffer for slow months and unpaid invoices % (default 10) |
| business_costs | number | – | Business costs per year, USD (default 6000) |
| check_rate | number | – | Optional: an hourly rate to check what it pays you per year |
| day_hours | number | – | Billable hours in a full client day (default 8) |
| hours_per_week | number | – | Hours worked per week (default 40) |
| take_home | number | – | Income you want to take home per year after tax, USD (default 60000) |
| tax_rate_pct | number | – | Estimated tax rate on profit %, default 30 (use the estimate tool for a 2026 figure) |
| weeks_off | number | – | Weeks off per year (default 6) |
No output schema declared.
No examples provided.
home_office Home office deduction ~312
Home office deduction: simplified ($5/sq ft, up to 300 sq ft) vs regular Form 8829 method, with the business income limit and carryovers. Give home_sqft and costs to compare both.
| Name | Type | Req | Description |
|---|---|---|---|
| basis | number | – | Home basis for depreciation (building only, not land) |
| direct | number | – | Costs only for the office |
| first_month | number | – | Month the office was first used (1-12) if this is the first year |
| gross_income | number | – | Gross income from the business use of the home |
| home_sqft | number | – | Whole home area in sq ft |
| insurance | number | – | Homeowner or renter insurance |
| method | string | – | – |
| months | number | – | Months used this year (default 12) |
| mortgage_interest | number | – | Home mortgage interest for the year |
| office_sqft | number | yes | Office area in sq ft (regular and exclusive business use) |
| other_expenses | number | – | Other business expenses not tied to the home |
| other_home | number | – | Other whole-home costs |
| prior_depreciation | number | – | Depreciation carryover from last year |
| prior_operating | number | – | Carryover of operating costs from last year |
| real_estate_taxes | number | – | Real estate taxes |
| rent | number | – | Rent |
| repairs | number | – | Repairs and maintenance |
| utilities | number | – | Utilities |
No output schema declared.
No examples provided.
meal_deduction Self-employed per diem meal deduction (IRS standard meal allowance) ~218
Meal deduction for a self-employed business trip using the federal M&IE rate instead of receipts (IRS Pub. 463): 3/4 on travel days (or full), times the deductible share (50%, or 80% for DOT hours-of-service workers). Planning estimate, not tax advice.
| Name | Type | Req | Description |
|---|---|---|---|
| area_index | integer | – | Pick one area when a ZIP or city matches several (see alternatives) |
| city | string | – | City (with state) if no ZIP |
| end | string | yes | Last travel day, YYYY-MM-DD |
| method | string | – | Travel-day rule (default three-quarters) |
| percent | number | – | Deductible share % (default 50) |
| start | string | yes | First travel day, YYYY-MM-DD (Oct 1, 2025 to Sep 30, 2027) |
| state | string | – | 2-letter state code, e.g. NY |
| zip | string | – | 5-digit ZIP code of where you stay (most reliable) |
No output schema declared.
No examples provided.
mie_breakdown GSA M&IE breakdown tiers ~45
GSA meals and incidentals tiers (breakfast, lunch, dinner, incidentals, first/last day) for a fiscal year.
| Name | Type | Req | Description |
|---|---|---|---|
| fiscal_year | integer | – | – |
No output schema declared.
No examples provided.
mileage IRS mileage deduction ~172
Standard mileage deduction priced by the date each mile was driven (2026 business rate 72.5 cents Jan-Jun, 76 cents from Jul 1). Pass trips, or 2026 split totals such as business_jan_jun and business_jul_dec.
| Name | Type | Req | Description |
|---|---|---|---|
| business_jan_jun | number | – | – |
| business_jul_dec | number | – | – |
| charity_jan_jun | number | – | – |
| charity_jul_dec | number | – | – |
| medical_jan_jun | number | – | – |
| medical_jul_dec | number | – | – |
| moving_jan_jun | number | – | – |
| moving_jul_dec | number | – | – |
| parking_tolls | number | – | Business parking and tolls, added on top |
| trips | array | – | Trip log |
No output schema declared.
No examples provided.
mileage_rates IRS mileage rates ~18
IRS standard mileage rates by period with official sources.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
per_diem_rates GSA per diem rates (lodging + M&IE) ~168
Official GSA CONUS per diem rates for FY2026 and FY2027 by ZIP, city or state: lodging maximum by month and the meals and incidentals (M&IE) breakdown. 48 states + DC.
| Name | Type | Req | Description |
|---|---|---|---|
| area_index | integer | – | Pick one area when a ZIP or city matches several (see alternatives) |
| city | string | – | City (with state) if no ZIP |
| date | string | – | YYYY-MM-DD to get the lodging rate for that day |
| fiscal_year | integer | – | Federal fiscal year (Oct 1 to Sep 30), default current |
| state | string | – | 2-letter state code, e.g. NY |
| zip | string | – | 5-digit ZIP code of where you stay (most reliable) |
No output schema declared.
No examples provided.
per_diem_trip Per diem trip total (employer / federal travel) ~212
Maximum per diem for a trip under GSA/FTR rules: lodging per night by month, M&IE with 75% on the first and last day, minus provided meals at the GSA breakdown amounts.
| Name | Type | Req | Description |
|---|---|---|---|
| area_index | integer | – | Pick one area when a ZIP or city matches several (see alternatives) |
| breakfasts_provided | integer | – | – |
| city | string | – | City (with state) if no ZIP |
| dinners_provided | integer | – | – |
| end | string | yes | Last travel day, YYYY-MM-DD |
| lunches_provided | integer | – | – |
| no_lodging | boolean | – | Day trip or no lodging claimed |
| start | string | yes | First travel day, YYYY-MM-DD (Oct 1, 2025 to Sep 30, 2027) |
| state | string | – | 2-letter state code, e.g. NY |
| zip | string | – | 5-digit ZIP code of where you stay (most reliable) |
No output schema declared.
No examples provided.
qbi_deduction 2026 QBI deduction (Section 199A) ~331
2026 Qualified Business Income deduction (Section 199A, Form 8995 / 8995-A) for one trade or business: 20% of QBI at or below the $201,750 threshold ($403,500 mfj), the phase-in range up to $276,750 ($553,500 mfj) with the SSTB applicable percentage and the W-2 wage / UBIA limit, the SSTB phase-out, 20% of REIT/PTP income and the overall cap of 20% of taxable income minus net capital gain. Same math as the free web calculator. Planning estimate, not tax advice.
| Name | Type | Req | Description |
|---|---|---|---|
| filing_status | string | – | Filing status (default single) |
| net_capital_gain | number | – | Net capital gain (including qualified dividends) for the overall cap |
| qbi | number | yes | Qualified business income from the business (e.g. Schedule C profit minus the deductible half of SE tax, SE health insurance and retirement contributions), USD |
| reit_ptp_income | number | – | Qualified REIT dividends plus qualified PTP income |
| sstb | boolean | – | Specified service trade or business (health, law, accounting, consulting, financial services, performing arts, athletics, etc.). Default false |
| taxable_income | number | yes | 2026 taxable income BEFORE the QBI deduction, USD |
| ubia | number | – | Unadjusted basis immediately after acquisition (UBIA) of qualified property |
| w2_wages | number | – | W-2 wages the business paid to employees |
No output schema declared.
No examples provided.
retirement_contribution 2026 SEP IRA vs Solo 401(k) max contribution ~235
Most a sole proprietor or single-member LLC owner can put into a SEP IRA vs a Solo 401(k) for 2026 (IRS Pub. 560 rate worksheet, 2026 limits: $72,000 total, $24,500 deferral, $8,000 catch-up at 50+, $11,250 at 60-63), plus estimated income tax saved. Planning estimate, not tax or investment advice.
| Name | Type | Req | Description |
|---|---|---|---|
| age_group | string | – | Age at the end of 2026 (default under50) |
| bracket | number | – | Marginal federal income tax bracket % for the tax-saved estimate (default 22) |
| net_profit | number | yes | 2026 net self-employment profit (Schedule C line 31), USD |
| other_deferrals | number | – | 401(k)/403(b) employee deferrals already made at another job this year |
| plan_rate | number | – | Employer contribution rate % in the plan (default 25) |
| w2_wages | number | – | W-2 wages from another job (uses up the Social Security wage base) |
No output schema declared.
No examples provided.
self_employment_tax 2026 self-employment tax ~226
2026 self-employment tax (Schedule SE): 15.3% on 92.35% of net profit (none under $400), Social Security 12.4% up to the $184,500 wage base minus W-2 wages, Medicare 2.9% uncapped, 0.9% Additional Medicare over the filing-status threshold (split SE vs wages), the deductible half, quarterly share and effective rate. Same math as the free web calculator. Planning estimate, not tax advice.
| Name | Type | Req | Description |
|---|---|---|---|
| filing_status | string | – | Filing status (default single) |
| months | integer | – | Months covered by ytd_profit (1-12) |
| net_profit | number | – | Expected 2026 net self-employment profit (Schedule C line 31), USD |
| spouse_w2_wages | number | – | Spouse W-2 wages (mfj) |
| w2_wages | number | – | Your W-2 wages this year |
| ytd_profit | number | – | Profit so far this year; annualized with months |
No output schema declared.
No examples provided.
tax_figures 2026 tax figures and sources ~28
2026 brackets, standard deductions, SE tax figures and official IRS/SSA sources used.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
How do I install the US Freelancer Tax Calculator 2026 MCP server?
US Freelancer Tax Calculator 2026 runs locally as an npm package, launched with npx -y freelance-tax-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · freelance-tax-mcp
claude mcp add narwhalthepong-freelance-tax-mcp -- npx -y freelance-tax-mcp
What is the US Freelancer Tax Calculator 2026 MCP server?
US Freelancer Tax Calculator 2026 is an MCP server listed in the public MCP registry as io.github.NarwhalThePong/freelance-tax-mcp. 2026 US freelancer tax: quarterly estimates, SE tax, QBI, mileage, home office, SEP/401k, per diem. This page covers its npm package (freelance-tax-mcp).
Is the US Freelancer Tax Calculator 2026 MCP server safe to use?
US Freelancer Tax Calculator 2026 scores 61 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 4 November 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the US Freelancer Tax Calculator 2026 MCP server expose?
US Freelancer Tax Calculator 2026 exposes 14 tools: estimate, self_employment_tax, freelance_hourly_rate, qbi_deduction, due_dates, and 9 more. Their descriptions and schemas cost roughly 2,557 tokens of context every time the server is loaded.
Is the US Freelancer Tax Calculator 2026 MCP server still maintained?
US Freelancer Tax Calculator 2026 is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What licence is the US Freelancer Tax Calculator 2026 MCP server under?
US Freelancer Tax Calculator 2026 declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.