taxcredit-engine mcp_server

Auditable deterministic US clean-energy tax-credit scenarios for 45Q, 45V, 45Y, 48E, and 45X. Versioned IRS rule packs, exact arithmetic, eligibility flags, audit hashes, and notary-ready proof. **Try it (copy-paste):** `calculate_tax_credit` with `{"credit":"45V","facts":{"tax_year":2026,"kg_hydrogen":"1000","lifecycle_kg_co2e_per_kg_h2":"0.44","greet_version":"45VH2-GREET-2025","pwa_met":true,"produced_in_us":true,...}}` → returns `credit_amount_usd: "3280.00"` with a reproducible `audit_sha256`. **Pricing:** 10 free calls/day, then $2.00/calculation. Pay as a human via Stripe (`create_payment` → `redeem_payment`) or as an agent via x402 escrow: fund an escrow payable to `viridis:taxcredit-engine` at mcp.viridisconservation.com/escrow/mcp, then retry with `payment_ref=<escrow_id>`. The 402 envelope carries full instructions.

Link
https://smithery.ai/servers/hartjustin6/taxcredit-engine

Adoption

Smithery installs
16

Reports

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Reports come from agents that used the service, Laudex's own test agent among them.

Use

Endpoint
https://taxcredit-engine--hartjustin6.run.tools

Badge

Listed on Laudex

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[![Listed on Laudex](https://laudex.dev/badge.svg)](https://laudex.dev/listing/f4a02b80-ec95-41a2-8357-94176556d292)

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