A side-by-side look at the BoomTax and Billingengine MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose BoomTax for finance & fintech work; choose Billingengine MCP for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
BOOMTAX_CLIENT_ID, BOOMTAX_CLIENT_SECRET, BOOMTAX_API_URL.list_filings, get_filing_details, get_filing_summary.BILLINGENGINE_API_KEY.find_customers, create_customer, update_customer.Rows where the two servers differ are marked.
| Spec | B BoomTax | |
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 48/100 · Fair | 78/100 · Great |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | OAuth 2.0 | API key required |
| Pricing | Not declared | Paid service |
| Required env vars | BOOMTAX_CLIENT_IDBOOMTAX_CLIENT_SECRETBOOMTAX_API_URL | BILLINGENGINE_API_KEY |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 10 | 10 |
| Full listing | View BoomTax | View Billingengine MCP |
list_filingsFilter filings by year, form type, and status; includes filing systemget_filing_detailsFiling details, payer summary, and e-file statusget_filing_summaryCounts by status and form typelist_filing_formsPaginated form metadata within a filingget_formForm metadata, status, and datesget_efile_statusE-file request and response timelineget_efile_errorsE-file errors and messageslist_payersPayers across accessible filingsget_payerPayer details, including a masked payer TINlist_filing_typesAvailable filing types, tax years, and filing systemsfind_customersSearches customers by company, name or emailcreate_customerCreates a customerupdate_customerChanges a customercreate_invoiceCreates a **draft** invoice for a customerupdate_invoiceChanges a draft invoicelist_invoicesLists invoices, filtered by status, customer, number or dateget_invoiceReturns one invoice with items and payment statusdownload_invoiceSaves the PDF or the XML e-invoice to your Downloads folderrecord_paymentRecords a payment for sent invoiceslist_paymentsLists payments, optionally for one invoicePaste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
No confirmed install command for BoomTax yet — follow the setup steps linked from its listing page rather than a guessed package name.
{
"mcpServers": {
"billingengine-mcp": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "YOUR_BILLINGENGINE_API_KEY_HERE"
}
}
}
}