Official B-Books user guide and accounting architecture
Learn how B-Books guarantees an immutable double-entry ledger, reconciles bank accounts to the exact penny via Plaid, and orchestrates 7 deterministic AI agents to manage your US accounting.
Strict Double-Entry
Debits equal Credits with zero float drift
100% Native Bilingual
Instant ES / EN toggle on all views & reports
7 AI Agents with Sentinel
Continuous BEC anti-fraud verification
Official B-Books Promotional Video
Immutable Double-Entry Ledger Simulator
Select a transaction type to observe how the ledger engine generates balanced journal entries with exact integer-cent precision.
| Code | Account | Type | Debit (USD) | Credit (USD) |
|---|---|---|---|---|
| 1100 | Accounts Receivable | Activo / Asset | $2,160.00 | — |
| 4000 | Service Revenue | Ingreso / Revenue | — | $2,000.00 |
| 2200 | Sales Tax Payable (8%) | Pasivo / Liability | — | $160.00 |
| Audited Totals: | $2,160.00 | $2,160.00 | ||
AI Agent Console & MCP Server Simulator
Interact with Hermes-CFO in natural language. Watch it decompose complex tasks, call deterministic MCP database tools, and request human approval for high-risk operations.
payroll_preview_run(org_id, period: '2026-08-01_15')Gross-to-net calculation completed: Gross $24,500.00 | FICA Withholding $4,200.00 | Net payable $20,300.00 to 12 employees.
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Frequently Asked Questions
Everything you need to know about technical architecture, security, and migration.
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