Scored across 46 tools
Tools are grouped by resource with clear descriptions separating pairs like accounts vs postingaccounts, creditors vs debtors, and receipts vs transactions. Minor overlap exists between postings_list and reports_get_sums_ledger (both expose postings for an account), so one or two choices could be ambiguous, but most tools are sharply distinct.
All tool names follow a consistent `resource_action` snake_case pattern (e.g. accounts_list, creditors_create, cost_locations_update, receipts_restore). Compound actions like transactions_assign_receipts and postings_unconfirm_for_receipt remain readable and within the same convention.
46 tools is a very large surface for an agent to navigate, well beyond the 'borderline heavy' 16-25 range. Although each endpoint maps to a real API operation, the set is not tightly scoped and would benefit from consolidating related variants.
Several resources are create-only or lack full lifecycle support: invoices cannot be listed, edited, or cancelled after creation; comments cannot be read; accounts/transactions have no update or delete; receipts have no update. These gaps leave agents with dead ends (e.g., issuing an invoice with no way to retrieve or cancel it).