mercury-invoicing-mcp
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TDQS
Scored across 36 tools
Tools are mostly distinct by resource type (accounts, transactions, recipients, invoices, customers, webhooks), and descriptions explicitly cross-reference alternatives (e.g., deposit vs. credit vs. treasury). Minor confusion possible between mercury_list_transactions and mercury_list_credit_transactions, but the descriptions clearly delineate the surfaces.
All tools follow a consistent mercury_<verb>_<noun> pattern with clear verbs (list, get, create, update, delete, cancel, send, add). The naming convention is uniform across all 36 tools, making the set highly predictable.
36 tools is on the heavy side, but the server covers multiple distinct Mercury surfaces (deposit accounts, credit, treasury, payments, AR invoicing, webhooks). Each tool maps to a real API endpoint, so the count is justified, though it approaches the upper bound of what an agent can easily navigate.
The tool set covers core CRUD/lifecycle for accounts, transactions, recipients, invoices, customers, and webhooks. Notable gaps: no card creation/freezing, no invoice attachment upload, no credit-account statement access, and no webhook delivery history — but these are explicitly documented as API limitations, and the core workflows (send money, invoice, manage webhooks) are complete.