A side-by-side look at the Coso MCP 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 Coso MCP for finance & fintech work as a local process; choose Billingengine MCP for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
get_server_info, list_components, list_principles.BILLINGENGINE_API_KEY.find_customers, create_customer, update_customer.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 56/100 · Good | 79/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | API key required |
| Pricing | Free | Paid service |
| Required env vars | None listed | BILLINGENGINE_API_KEY |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | 39 | 10 |
| Full listing | View Coso MCP | View Billingengine MCP |
get_server_infoServer identity, framework coverage, disclaimer.list_componentsThe five COSO components.list_principlesThe 17 principles (optionally filtered by component).get_principleA principle by number or slug, with paraphrased points of focus.get_componentA component by id, with its principles.list_objective_categoriesOperations / reporting / compliance.list_assertionsThe CEAVOP assertions used to frame control objectives.create_engagementCreate a review engagement.get_engagementGet an engagement by id.list_engagementsList engagements.add_scope_itemAdd a significant account/process to scope.list_scope_itemsList scope items.find_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.
{
"mcpServers": {
"coso-mcp": {
"command": "npx",
"args": [
"-y",
"@simonmak-ascent/coso-mcp"
]
}
}
}
{
"mcpServers": {
"billingengine-mcp": {
"command": "npx",
"args": [
"-y",
"billingengine-mcp"
],
"env": {
"BILLINGENGINE_API_KEY": "YOUR_BILLINGENGINE_API_KEY_HERE"
}
}
}
}