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Can Claude calculate a Section 179 deduction?

Not with current limits from memory. The July 2025 tax law (P.L. 119-21) doubled the Section 179 limit and restored 100% bonus depreciation, and the 2026 figures are indexed for inflation, so a model trained earlier quotes the old numbers. Connect the free Section 179 Deduction server and Claude applies the limit and phase-out for the tax year you name, the business income cap, bonus depreciation by date and the vehicle limits.

Connect free, no token Section 179 deduction MCP server

What Claude does alone, and what needs the server

Claude on its own

  • Explains Section 179, bonus depreciation and the business income limit.
  • Does the math once you give it the right limit.

With the Section 179 Deduction server

  • The Section 179 limit and phase-out threshold for each tax year.
  • Bonus depreciation by acquisition and in-service date.
  • Vehicle limits by gross vehicle weight, including the heavy SUV cap.

A real call to the live server

We sent this to the hosted server on 2026-11-03. The answer below is the server's own text, not a mock-up. Live values will differ when you ask.

You ask

We are buying $180,000 of equipment in 2026 and the business has $250,000 of taxable income. How much can we deduct under Section 179?

Tool call

calculate_section_179 {"tax_year":2026,"total_section_179_property_cost":180000,"business_taxable_income":250000}

Server answer

2026 Section 179 limit $2,560,000. Property cost $180,000 is under the $4,090,000 threshold, so the full limit applies. Elected $180,000. Deduction this year $180,000.

Connect it in 1 minute

One URL, no token, no account. In Claude.ai or Claude Desktop open Settings, then Connectors, then Add custom connector, and paste the URL.

Connector URL

https://section-179-deduction-calculator-mcp.lipmichal.workers.dev/mcp

Claude Code

claude mcp add --transport http section-179-deduction-calculator https://section-179-deduction-calculator-mcp.lipmichal.workers.dev/mcp

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "section-179-deduction-calculator": {
      "url": "https://section-179-deduction-calculator-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "section-179-deduction-calculator": {
      "type": "http",
      "url": "https://section-179-deduction-calculator-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

All 4 tools, sources and more prompts: Section 179 deduction MCP server · AssetLoanCalculator

Questions

Can Claude calculate a Section 179 deduction?
Not with current limits from memory. The July 2025 tax law (P.L. 119-21) doubled the Section 179 limit and restored 100% bonus depreciation, and the 2026 figures are indexed for inflation, so a model trained earlier quotes the old numbers. Connect the free Section 179 Deduction server and Claude applies the limit and phase-out for the tax year you name, the business income cap, bonus depreciation by date and the vehicle limits.
What is the 2026 Section 179 limit?
From the server: $2,560,000, reduced dollar for dollar once qualifying property tops $4,090,000.
Can the deduction create a loss?
No. Section 179 is capped at business taxable income. Bonus depreciation has no such cap, which is why the server handles both.
Is the server free?
Yes. The Section 179 Deduction server is free at its hosted URL with no token, key or account. The source is open on GitHub.

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