KKorean Tax Calc MCP (Upstage)

Context cost warning: its tools/list is about 151,654 tokens (85 tools), 463% of a 32k context window and 76% of a 200k window, before you send a single message (raw tools/list payload 153,468 tokens). Load only the tools you need, or expect most of the context to go to tool definitions. Measured by counting the tokens in this server's tool list on 2026-10-28. How MCP context cost adds up

Transport (tested 2026-10-28): stdio

Score 70/100 · Tools 85 · Token cost ~151,654 · Compare · Last tested 2026-10-28 · Version tested 0.15.1 · Package korean-tax-calc-mcp · Repo UpstageAI/korean-tax-calc-mcp

Summary: Korean Tax Calc MCP (Upstage) completed an MCP handshake without credentials and exposed 85 tools.

Evidence summary

Handshake

pass

Tools listed

85

Context cost

151,654 model-visible tokens (name, description, inputSchema; tiktoken cl100k_base)
Extra payload (sent by the server, usually not read by the model): 1,814 tokens; raw tools/list total 153,468. Clients differ in what they forward. ranking · add up your servers' context cost

API key

No key to connect (handshake passed)

Tested

2026-10-28

Test results

Local-model readiness

Schema context cost: ~151,654 tokens for 85 tools (328,894 bytes) · about 1851% of an 8k context. Method: tiktoken cl100k_base over compact JSON of name+description+inputSchema (approximate).

Small-model friendly (schema heuristic, not a model result): unknown.

Small-model task runs: Not yet tested.

What we tested and what we didn't

Methodology: how we test. A high score means it installs and responds, not that it is safe to give it access to your data.

{
  "name": "korean-tax-calc-mcp",
  "version": "0.15.1",
  "registry": "pypi",
  "status": "working",
  "tested": "2026-10-28",
  "tools_count": 85,
  "tools_schema_tokens_est": 151654,
  "deprecated": false,
  "archived": false,
  "tests": {
    "install": [
      "pass",
      20,
      "`uv pip install korean-tax-calc-mcp` (Python venv, Linux) succeeded in 0s."
    ],
    "handshake": [
      "pass",
      30,
      "MCP `initialize` + `tools/list` over stdio succeeded with no credentials; 85 tools listed in 5.6s."
    ],
    "maintenance": [
      "pass",
      25,
      "Repo pushed 0 days before test; 85 GitHub stars."
    ],
    "docs": [
      "pass",
      15,
      "README over 3,000 chars; install instructions present; `mcpServers` config example present. Automated check of the package's own README (PyPI long_description (package README))."
    ],
    "license": [
      "pass",
      10,
      "MIT (OSI-approved)."
    ]
  }
}

Install

uvx korean-tax-calc-mcpCopy

Tools listed

corporate_tax, foreign_tax_credit, entertainment_limit, deemed_interest, unfair_transaction, loss_carryforward_limit, minimum_tax, underreporting_penalty, late_payment_penalty, invoice_penalty, assessment_limitation, income_tax, withholding_tax, nonresident_withholding, retirement_income_tax, vat_deemed_rent, vat_input_tax_deduction, vat_deemed_supply_items, nonbusiness_interest_disallowance, business_car_expense, donation_limit, bad_debt_allowance, thin_capitalization, missing_receipt_disallowance, vat_deemed_input_credit, vat_common_input_allocation, vat_simplified_taxpayer, vat_card_sales_credit, vat_bad_debt_credit, vat_supply_timing, wage_income_tax, daily_worker_withholding, deemed_bonus_resettlement, earned_income_gross_pay, related_judge, kinship_check, ownership_ratio, dominant_shareholder, tunnelling_gift, tunnelling_gift_nts

Quick config

{
  "mcpServers": {
    "korean-tax-calc-mcp-upstage": {
      "command": "uvx",
      "args": [
        "korean-tax-calc-mcp"
      ]
    }
  }
}

Add to config Opens the config generator with this server selected.

{
  "mcpServers": {
    "korean-tax-calc-mcp-upstage": {
      "command": "uvx",
      "args": [
        "korean-tax-calc-mcp"
      ]
    }
  }
}

FAQ

Is Korean Tax Calc MCP (Upstage) deprecated?

No. korean-tax-calc-mcp was not deprecated or archived when we last tested it on 2026-10-28.

What replaces Korean Tax Calc MCP (Upstage)?

Nothing; Korean Tax Calc MCP (Upstage) is not deprecated as of 2026-10-28.

Does Korean Tax Calc MCP (Upstage) need an API key?

No. It completed an MCP handshake with no credentials and listed 85 tools.

Embed the badge

Every tested server gets a free embeddable badge. It shows the current score and test date and expires after 90 days. Testing is free; payment never changes a score.

Copy HTML

Copy Markdown Claim this listing · Report an issue