mcpbeat

Taxcredit Engine MCP Server

io.github.jdhart81/taxcredit-engine
answering

Taxcredit Engine is answering right now. Last checked 10 min ago. It exposes 5 tools. Last commit 3 Aug 2026.

Auditable US clean-energy tax-credit scenarios for 45Q, 45V, 45Y, 48E, and 45X.

Uptime history 41 hours of history
41 hours agonow
100.0%
Uptime 24h
91 of 91 checks
5
Tools
read from the server
332 ms
Response time
average over 24h
0
Stars
last commit 3 Aug 2026

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add taxcredit-engine --transport http https://mcp.viridisconservation.com/taxcredit-engine/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "taxcredit-engine": {
      "url": "https://mcp.viridisconservation.com/taxcredit-engine/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.taxcredit-engine]
url = "https://mcp.viridisconservation.com/taxcredit-engine/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "taxcredit-engine": {
      "url": "https://mcp.viridisconservation.com/taxcredit-engine/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "taxcredit-engine": {
      "url": "https://mcp.viridisconservation.com/taxcredit-engine/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

rule
get_rule_pack
Return the bundled rules and official source metadata for one credit.
list_rule_packs
List supported credits and the current bundled rule-pack digest.
calculate
calculate_tax_credit
Calculate an auditable tax-credit scenario. credit is 45Q, 45V, 45Y, 48E, or 45X. facts must contain the explicit credit-specific eligibility facts; missing facts return indeterminate. This is not tax or filing advice. Price: $2.00 per call after 10 free calls/day. Pay at /x402/taxcredit-engine/calculate_tax_credit with Base USDC, cash-fund payment_ref through escrow_checkout + confirm_escrow_funding, or use /seats.
describe
describe_agent
Return fleet-standard capabilities, version, and pricing.
verify
verify_tax_credit_result
Verify an engine result's audit_sha256. Pass the prior result object as JSON; any changed amount, fact, rule step, or source digest fails.

Endpoints

URLTransportStateLatencyChecked
https://mcp.viridisconservation.com/taxcredit-engine/mcp streamable-http answering 327 ms 10 min ago

Taxcredit Engine — questions

Answers built from our own checks of this server.

What can Taxcredit Engine do?
It exposes 5 tools, read directly from the server on our last check. Among them: calculate_tax_credit, describe_agent, get_rule_pack, list_rule_packs, verify_tax_credit_result. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Taxcredit Engine working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 332 ms. The bar chart above shows every period we have measured.
How do I connect Taxcredit Engine?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Taxcredit Engine need an API key?
No. Taxcredit Engine completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Taxcredit Engine?
It answers our handshake in 332 ms on average, which is faster than 42% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Taxcredit Engine open source?
Yes — written in Python, 0 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.