SW

SENTINEL Washington Real Estate

io.github.cheadlee10/sentinel-wa-realestate

Washington property evidence and transaction math for software and AI assistants.

Yes, your AI can use this right now.Answered a live MCP handshake in 177 ms with no sign-in needed and exposes 3 tools.
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Connect it

Settings → Connectors → Add custom connector
URL: https://app.sentineliq.net/api/v1/mcp/public

3 tools, pulled live

Pulled straight from the server with tools/list on 2026-10-27.
wa_reetread-only

Calculate Washington State Real Estate Excise Tax (REET, RCW 82.45) for one sale: graduated state brackets plus the county's local rate, computed deterministically by SENTINEL's production engine — never estimated. Use when you need the exact excise tax owed on a WA home sale (seller-paid by default). Washington State counties only. The result includes the per-bracket breakdown, the $5 DOR technol

wa_net_sheetread-only

Estimate a Washington home seller's net proceeds: commission, graduated REET, title/escrow/closing costs, mortgage payoff, and optional HOA/tax prorations — every line item computed deterministically by the same engine SENTINEL's product uses. Use for 'what will the seller walk away with' questions on WA sales; WA counties only. The result is an itemized dict. Uses no third-party data. The result

nwmls_deadlinesread-only

Compute the standard NWMLS transaction deadline set from a mutual-acceptance date: earnest money (Form 21), seller disclosure delivery + buyer rescission (Form 17, RCW 64.06), title contingency (Form 22T), inspection (Form 35), financing (Form 22A), and FIRPTA certification (Form 22E). Business-day counts exclude weekends and Washington state holidays per RCW 1.16.050 — never plain calendar arithm

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