MCPs › Finance › taxcredit-engine

taxcredit-engine● live

Q: How do I install taxcredit-engine in Claude Code?

Run: claude mcp add --transport http taxcredit-engine https://taxcredit-engine--hartjustin6.run.tools

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.

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Install taxcredit-engine

For anyone using taxcredit-engine — no Lulu account needed

claude mcp add --transport http taxcredit-engine https://taxcredit-engine--hartjustin6.run.tools

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FAQ

How do I install taxcredit-engine in Claude Code?

Run: claude mcp add --transport http taxcredit-engine https://taxcredit-engine--hartjustin6.run.tools

Can I add taxcredit-engine as a connector in ChatGPT or Claude.ai?

Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://taxcredit-engine--hartjustin6.run.tools.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.

Which registries list taxcredit-engine?

smithery

What is taxcredit-engine's trust score?

Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.

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