Pass-through tax rules

com.passthroughtax/pass-through-tax-rulesVersion 0.2.0

Cited, tax-year-dated rules for state PTET, the federal SALT cap, and bonus-depreciation conformity.

Status

Responds873 msNov 14, 2026, 14:09 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:09 UTC
Latency: 873 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://passthroughtax.com/api/mcpResponds873 msNov 14, 2026, 14:09 UTC

No sign-in

Claude Code

claude mcp add --transport http pass-through-tax-rules https://passthroughtax.com/api/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: pass-through-tax-rules
Remote MCP server URL: https://passthroughtax.com/api/mcp

Cursor

{
  "mcpServers": {
    "pass-through-tax-rules": {
      "url": "https://passthroughtax.com/api/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"pass-through-tax-rules","type":"http","url":"https://passthroughtax.com/api/mcp"}'

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Tools

4 tools

Tools of Pass-through tax rules
	Description		Read-only	Idempotent	Open world
`bonus_conformity`Whether a state conforms to IRC 168(k) bonus depreciation and IRC 179 for a tax year, its IRC conformity date, and the add-back or subtraction in plain terms. Unverified fields are null. Unknown states and years are not_covered.	Whether a state conforms to IRC 168(k) bonus depreciation and IRC 179 for a tax year, its IRC conformity date, and the add-back or subtraction in plain terms. Unverified fields are null. Unknown states and years are not_covered.	No	Yes	Yes	No
`coverage`List jurisdictions and tax years in this dataset. elective_ptet_2026 counts only 2026 files with an elective PTET. no_elective_ptet_2026 and not_effective_2026 are separate and are not PTET states for 2026.	List jurisdictions and tax years in this dataset. elective_ptet_2026 counts only 2026 files with an elective PTET. no_elective_ptet_2026 and not_effective_2026 are separate and are not PTET states for 2026.	No	Yes	Yes	No
`ptet_rules`Elective pass-through entity tax for one state and tax year: eligibility, who elects, deadline, rate, owner credit or exclusion, estimates, and sunset. Returns not_covered when this server has no file. Informational, not tax advice.	Elective pass-through entity tax for one state and tax year: eligibility, who elects, deadline, rate, owner credit or exclusion, estimates, and sunset. Returns not_covered when this server has no file. Informational, not tax advice.	No	Yes	Yes	No
`salt_cap`Compute the federal SALT deduction cap under 26 USC 164(b)(6) and (b)(7) for a tax year, filing status, and modified adjusted gross income. Returns the cap and the steps, not the deduction. Years before 2018 are not_covered. MAGI is used to compute and is not written to the usage log.	Compute the federal SALT deduction cap under 26 USC 164(b)(6) and (b)(7) for a tax year, filing status, and modified adjusted gross income. Returns the cap and the steps, not the deduction. Years before 2018 are not_covered. MAGI is used to compute and is not written to the usage log.	No	Yes	Yes	No

Details

Registry status: Active
Published: Oct 24, 2026
Updated: Oct 24, 2026
Website: https://passthroughtax.com/⁠ (opens in a new tab)
Repository: Not given
Categories: Uncategorized
GDPR: Not declared

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