Ext Ops Panel
Open dashboard

io.github.jmshinhwa/tax-year-constant-drift-lint

Finds the tax years, statutory limits, filing thresholds, rates and deadlines hardcoded in payroll a

MCP server · by jmshinhwa

About

io.github.jmshinhwa/tax-year-constant-drift-lint is an MCP server published by jmshinhwa. Marketplaces we read that list it: 1 (Official MCP Registry). The last change we recorded was on 2026-10-17. As of our marketplace pass on 2026-10-26.

What it asks for

  • Runs on your machine

None of the marketplaces we read publishes its tools or the settings it asks for.

What it declares, asks for and runs, in full

Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.

Package

npm @readystack/tax-year-constant-drift-lint (@readystack/tax-year-constant-drift-lint on npm)

  • npm downloads/week: 42 (2026-10-17)
  • npm downloads/month: 1 060 (2026-10-17)
  • Latest version on npm: 0.1.6, published 2026-09-29
  • The latest version is marked deprecated on npm
  • Declared version 0.1.2 is marked deprecated on npm

No known vulnerabilities in OSV for 0.1.2 (checked 2026-10-23)

npm facts come from the public npm registry (registry.npmjs.org, api.npmjs.org). Each figure is the registry's own and is never added to another. A registry that publishes no figure shows none: no number is not zero. Vulnerability records come from OSV.dev (CC BY 4.0) and concern the declared version only; a listing that declares no version gets no answer. We do not scan code.

Works with

  • Claude Code
  • Codex
  • Cursor
  • VS Code
  • Copilot CLI

A one-click link opens the client, which asks you to confirm before it adds the server.

From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.

Connect

Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.

As a local MCP server: npm package

Built from what Official MCP Registry declares.

Claude CodeTerminal
claude mcp add --transport stdio tax-year-constant-drift-lint -- npx -y @readystack/tax-year-constant-drift-lint --mcp
Codex~/.codex/config.toml
[mcp_servers.tax-year-constant-drift-lint]
command = "npx"
args = ["-y", "@readystack/tax-year-constant-drift-lint", "--mcp"]
Cursor~/.cursor/mcp.json
{
  "mcpServers": {
    "tax-year-constant-drift-lint": {
      "command": "npx",
      "args": [
        "-y",
        "@readystack/tax-year-constant-drift-lint",
        "--mcp"
      ]
    }
  }
}

Where it is published

MarketplaceStatusVersionFiguresVerifiedFirst seen
Official MCP Registry (Open the registry record) Listed 0.1.2 Downloads/month (npm): 1 060
Downloads/week (npm): 42
Forks (GitHub): 1
Stars (GitHub): 1
Not marked

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

What changed

Nothing has moved on this plugin since we started watching it.

Similar plugins

Products whose own names, descriptions, tools and skills are closest in meaning to this one, on every marketplace we read. Closeness is ranked within this list only.

  • payroll io.github.theluckystrike/payroll

    Gross-to-net payroll estimates for hourly staff with common withholding assumptions.

    by theluckystrike · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • kra-mcp io.github.gabrielmahia/kra-mcp

    Kenya tax tools: PAYE calculator (2026 rates), VAT, PIN, filing calendar, withholding. Estimates.

    by gabrielmahia · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • payroll-deduction-code-audit io.github.jmshinhwa/payroll-deduction-code-audit

    Twelve rules over the deduction-code map, before the January 31 W-2 filing date

    by jmshinhwa · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • databutler-us-rates io.github.physics-star-cat/databutler-us-rates

    US federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced.

    by physics-star-cat · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • irs-taxpayer io.github.dma9527/irs-taxpayer

    44 local US tax estimation and planning tools for supported TY2024 through TY2026 scenarios.

    by dma9527 · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • jp-statutory com.mart402/jp-statutory

    Japan statutory calculations: net pay, social insurance, tax walls, holidays. Cited sources, x402.

    by mart402.com · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • opentax io.github.Invaro/opentax

    Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

    by Invaro · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • mythaitaxes-mcp io.github.holsson95/mythaitaxes-mcp

    Free Thai personal income tax (PIT) calculator for salaried employees, from mythaitaxes.com.

    by holsson95 · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • platformtaxhub-mcp io.github.platformtaxhub-hash/platformtaxhub-mcp

    Free platform-income calculators (take-home pay, payout calendar, benefits) as MCP tools.

    by platformtaxhub-hash · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • taxact-mcp com.taxact/taxact-mcp

    Tax filing guidance, cost comparison, document checklists, and refund estimates by TaxAct.

    by taxact.com · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

Similar plugins by marketplace

The same question asked of one marketplace at a time: is there an analog of this plugin there?

Has a listing on Claude Code: claude-plugins-community (5)
  • uk-finance-accounting

    Give Claude deep UK accounting knowledge. This plugin replaces the generic finance responses with regulation-aware workflows built specifically for British businesses. It covers…

    by mlobo2012 · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

  • numeric-mcp-toolkit

    Skills for the Numeric's MCP. Purpose-built workflows for accounting teams — rec workbooks, department anomaly scanning, cross-workspace close dashboards, audit evidence exports…

    by geoff-lew · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

  • mygigsters-super

    Connects Claude to the MyGigsters superannuation API. Manage employees, submit super contributions, onboard employers, track payments, and verify super funds — all from within…

    by mygigsters · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

  • open-tax

    Free, open-source US federal tax preparation assistant for Claude Code. Drop your W-2s, 1099s, and crypto exchange CSVs into the workspace — Open Tax parses them, computes your…

    by tugberkgoc · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

  • cpa-practice-toolkit

    A Claude Cowork plugin for solo CPAs and small accounting firms. Automates the most time-consuming administrative tasks in tax practice: client document checklists, engagement…

    by NewbieAppBuilder · Plugin bundle

    Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

Has a listing on Claude Code: claude-plugins-official (5)
  • Intuit QuickBooks

    QuickBooks business insights and actions: financial health briefings across P&L, cash flow, balance sheet and A/R, industry benchmarking, payroll cost analysis, overdue-invoice…

    by intuit · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

  • Wingspan

    Ask Claude about the contractors you pay through Wingspan, what you owe them, and what is holding up a payment, then onboard contractors and log payments as drafts, with a preview…

    by wingspanHQ · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

  • carta-cap-table

    Carta Cap Table plugin — skills and hooks for querying cap tables, grants, SAFEs, 409A valuations, waterfall scenarios, and more

    by carta · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Community GitHub marketplaces, Claude Code: claude-plugins-community · Describes nearly the same job

  • Airwallex

    Bring Airwallex's global financial infrastructure to Claude. Orchestrate actions across your account in plain language, e.g., set up invoices from a PO, onboard suppliers from…

    by airwallex · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

  • paypal

    PayPal development plugin for Claude — integrate payments, subscriptions, invoices, disputes, and more using PayPal's APIs and MCP server

    by paypal · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Community GitHub marketplaces · Describes nearly the same job

Has a listing on Claude: knowledge-work-plugins (5)
  • Intuit QuickBooks

    QuickBooks business insights and actions: financial health briefings across P&L, cash flow, balance sheet and A/R, industry benchmarking, payroll cost analysis, overdue-invoice…

    by intuit · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

  • Finance

    Streamline finance and accounting workflows, from journal entries and reconciliation to financial statements and variance analysis. Speed up audit prep, month-end close, and…

    by Anthropic · Plugin bundle

    Listed on: Claude: knowledge-work-plugins · Describes nearly the same job

  • Wingspan

    Ask Claude about the contractors you pay through Wingspan, what you owe them, and what is holding up a payment, then onboard contractors and log payments as drafts, with a preview…

    by wingspanHQ · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

  • carta-cap-table

    Carta Cap Table plugin — skills and hooks for querying cap tables, grants, SAFEs, 409A valuations, waterfall scenarios, and more

    by carta · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Community GitHub marketplaces, Claude Code: claude-plugins-community · Describes nearly the same job

  • Airwallex

    Bring Airwallex's global financial infrastructure to Claude. Orchestrate actions across your account in plain language, e.g., set up invoices from a PO, onboard suppliers from…

    by airwallex · Plugin bundle

    Listed on: Claude Code: claude-plugins-official, Claude: knowledge-work-plugins · Describes nearly the same job

Has a listing on Codex: openai-curated (openai/plugins) (5)
  • Plugin Eval

    Evaluate Codex skills and plugins from chat with a beginner-friendly start command, local-first reports, token budget explanations, and guided benchmarking.

    by OpenAI Codex · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

  • GitHub

    Inspect repositories, triage pull requests and issues, debug CI, and publish changes through a hybrid GitHub connector and CLI workflow.

    by OpenAI · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

  • CodeRabbit

    AI-powered code review in Codex, powered by CodeRabbit.

    by CodeRabbit AI · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

  • Sentry

    Inspect recent issues and events in Sentry from Codex.

    by OpenAI · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

  • Qodo

    Qodo setup, code intelligence, and review workflows.

    by qodo-ai · Plugin bundle

    Listed on: Codex: openai-curated (openai/plugins) · Describes nearly the same job

Has a listing on Community GitHub marketplaces (4)
  • tax

    2 AI agents that manage your tax life — federal and state deadlines, quarterly estimates, deductions, retirement contribution limits, year-end planning, and CPA packet preparation.

    by AI-Ready U. · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • shinkoku

    確定申告自動化 Claude Code Plugin。帳簿管理から e-Tax 入力代行まで。

    by kazukinagata · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • month-end-close

    Run a faster, provable month-end close. Three deterministic stdlib scripts: a close calendar planner that orders tasks by dependency, finds the critical path and slack, maps WD+n…

    by Alireza Rezvani · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

  • ir3-tax-return

    File a New Zealand individual IR3 income tax return for the 2026 tax year by driving the Inland Revenue myIR portal in the browser. Pauses for RealMe sign-in, refuses to click…

    by Chris Barlow · Plugin bundle

    Listed on: Community GitHub marketplaces · Describes nearly the same job

Has a listing on Copilot CLI: github/awesome-copilot (5)
  • dependabot-triage

    Triage Dependabot alerts and recommend safe, evidence-based dependency updates.

    by aaronpowell · Plugin bundle

    Listed on: Copilot CLI: github/awesome-copilot · Describes nearly the same job

  • radius

    Model, visualize, and deploy applications with Radius from the GitHub Copilot app and CLI.

    by radius-project · Plugin bundle

    Listed on: Copilot CLI: github/awesome-copilot · Describes nearly the same job

  • usage-insights

    Inspect current and historical GitHub Copilot token and AI-credit usage with per-agent rollups and in-canvas session drill-down.

    by davidkaya · Plugin bundle

    Listed on: Copilot CLI: github/awesome-copilot · Describes nearly the same job

  • tiny-tool-town-submitter

    Inspect a repository, improve Tiny Tool Town readiness, submit its listing issue, and launch remediation work.

    by James Montemagno · Plugin bundle

    Listed on: Copilot CLI: github/awesome-copilot · Describes nearly the same job

  • cache-stats

    Shows live prompt-cache reuse, expiry, token composition, and AI Credit cost for the current GitHub Copilot session without making model calls.

    by arafattehsin · Plugin bundle

    Listed on: Copilot CLI: github/awesome-copilot · Describes nearly the same job

Has a listing on Copilot CLI: github/copilot-plugins (5)
  • advanced-security

    Advanced Security plugin for GitHub Copilot.

    by github · Plugin bundle

    Listed on: Copilot CLI: github/copilot-plugins · Describes nearly the same job

  • microsoft-365-agents-toolkit

    Toolkit for building Microsoft 365 Copilot declarative agents — scaffolding, JSON manifest development, and capability configuration.

    by microsoft · Plugin bundle

    Listed on: Copilot CLI: github/copilot-plugins · Describes nearly the same job

  • canvas-apps

    Build Power Apps Canvas Apps using the Canvas Authoring MCP server.

    by microsoft · Plugin bundle

    Listed on: Copilot CLI: github/copilot-plugins · Describes nearly the same job

  • workiq

    Query Microsoft 365 data with natural language — emails, meetings, documents, Teams messages, and more.

    by microsoft · Plugin bundle

    Listed on: Copilot CLI: github/copilot-plugins · Describes nearly the same job

  • workiq-productivity

    WorkIQ productivity skills powered by the local WorkIQ CLI — read-only insights across email, meetings, calendar, Teams, SharePoint, projects, and people.

    by microsoft · Plugin bundle

    Listed on: Copilot CLI: github/copilot-plugins · Describes nearly the same job

Has a listing on Cursor: cursor/plugins (5)
  • Gusto

    Work with payroll, employees, contractors, time off, and reports.

    by Cursor · Plugin bundle

    Listed on: Cursor: cursor/plugins · Describes nearly the same job

  • Xero

    Read and write invoices, contacts, reports, and payroll.

    by Cursor · Plugin bundle

    Listed on: Cursor: cursor/plugins · Describes nearly the same job

  • Navan

    Query expenses, travel bookings, policies, and cards.

    by Cursor · Plugin bundle

    Listed on: Cursor: cursor/plugins · Describes nearly the same job

  • Workday

    Look up workers, organizations, time off, payroll, and recruiting data in Workday.

    by Cursor · Plugin bundle

    Listed on: Cursor: cursor/plugins · Describes nearly the same job

  • Vanta

    Query and remediate compliance tests, controls, frameworks, risks, and vulnerabilities in Vanta.

    by Cursor · Plugin bundle

    Listed on: Cursor: cursor/plugins · Describes nearly the same job

Has a listing on Docker MCP Catalog (5)
  • SmartBear MCP

    MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.

    by smartbear.com · MCP server

    Listed on: Official MCP Registry, Docker MCP Catalog · Describes nearly the same job

  • Dodo Payments

    Tools for cross-border payments, taxes, and compliance.

    by docker · MCP server

    Listed on: Docker MCP Catalog · Describes nearly the same job

  • Effect

    Tools and resources for writing Effect code in Typescript.

    by tim-smart · MCP server

    Listed on: Docker MCP Catalog · Describes nearly the same job

  • SonarQube MCP Server

    Analyze code quality and security with SonarQube Server or Cloud directly in AI assistants.

    by SonarSource · MCP server

    Listed on: Official MCP Registry, Docker MCP Catalog · Describes nearly the same job

  • npm-sentinel-mcp io.github.Nekzus/npm-sentinel-mcp

    Advanced NPM analysis: Recursive security scanning, ecosystem awareness, and deep insights.

    by Nekzus · MCP server

    Listed on: Official MCP Registry, Docker MCP Catalog · Describes nearly the same job

Has a listing on Official MCP Registry (5)
  • payroll io.github.theluckystrike/payroll

    Gross-to-net payroll estimates for hourly staff with common withholding assumptions.

    by theluckystrike · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • kra-mcp io.github.gabrielmahia/kra-mcp

    Kenya tax tools: PAYE calculator (2026 rates), VAT, PIN, filing calendar, withholding. Estimates.

    by gabrielmahia · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • payroll-deduction-code-audit io.github.jmshinhwa/payroll-deduction-code-audit

    Twelve rules over the deduction-code map, before the January 31 W-2 filing date

    by jmshinhwa · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • databutler-us-rates io.github.physics-star-cat/databutler-us-rates

    US federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced.

    by physics-star-cat · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

  • irs-taxpayer io.github.dma9527/irs-taxpayer

    44 local US tax estimation and planning tools for supported TY2024 through TY2026 scenarios.

    by dma9527 · MCP server

    Listed on: Official MCP Registry · Describes nearly the same job

Has a listing on PyPI (MCP servers) (5)
  • kra-mcp io.github.gabrielmahia/kra-mcp

    Kenya tax tools: PAYE calculator (2026 rates), VAT, PIN, filing calendar, withholding. Estimates.

    by gabrielmahia · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • taxcode io.github.christianclaudio/taxcode

    MCP server for US Federal, territorial, and state tax law and compliance.

    by christianclaudio · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • ramp com.mcparmory/ramp

    Manage expenses, corporate cards, accounts payable, and accounting integrations

    by mcparmory.com · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • Korea Tax Calculator

    Korean tax calculation and tax-audit judgment MCP: 76 tools with statutory citations.

    by UpstageAI · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

  • bamboohr com.mcparmory/bamboohr

    Manage employee records, time off, benefits, and payroll data

    by mcparmory.com · MCP server

    Listed on: Official MCP Registry, PyPI (MCP servers) · Describes nearly the same job

Has a listing on npm registry (MCP servers) (5)
  • concur-mcp io.github.chrischall/concur-mcp

    Unofficial SAP Concur MCP for Claude — expense reports, expenses, receipts and trips

    by chrischall · MCP server

    Listed on: Official MCP Registry, npm registry (MCP servers) · Describes nearly the same job

  • workday-mcp io.github.chrischall/workday-mcp

    Read-only Workday for Claude — fetch tasks, pay, benefits via your signed-in session

    by chrischall · MCP server

    Listed on: Official MCP Registry, npm registry (MCP servers) · Describes nearly the same job

  • wise-mcp io.github.BlanketByte/wise-mcp

    Wise balances, card payments, transfers and recipients, plus transfers you approve twice.

    by BlanketByte · MCP server

    Listed on: Official MCP Registry, npm registry (MCP servers) · Describes nearly the same job

  • freshbooks-mcp io.github.chrischall/freshbooks-mcp

    FreshBooks invoicing for Claude — invoices, clients, estimates, and payments

    by chrischall · MCP server

    Listed on: Official MCP Registry, npm registry (MCP servers) · Describes nearly the same job

  • Chronary

    Calendar API for AI agents: events, availability, Google/Microsoft setup, scheduling, and iCal.

    by chronary.ai · MCP server

    Listed on: Official MCP Registry, npm registry (MCP servers) · Describes nearly the same job

Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.

Want this mark on your plugin in our catalog?

Prove you maintain it with a file in its repository, a file on your domain or a DNS record, and you can show this mark on the card, with live banners for your site and README. How verification works

You also get alerts when a marketplace lists it, drops it, changes its verified mark or what it asks for, and its remote endpoint goes on monitoring as a web service.

Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.

Where the data comes from: how the catalog is built