Oráculo B2R
Server Details
Brazilian tax intelligence for AI agents. Calculates Fator R (Simples Nacional), validates CNAE codes, proportionalizes first-year companies, projects future tax scenarios, and provides export compliance rules.
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 4 tools
Each tool has a clearly distinct purpose: Fator R calculation, generic data retrieval, export rules, and Simples Nacional simulation. Despite slight topical overlap between calculate_fator_r and simulate_simples_nacional, their descriptions differentiate them effectively.
All tool names follow a verb_noun pattern with snake_case, but there is a mix of Portuguese and English (e.g., 'fator_r' vs 'oracle_data'). This is mostly consistent but not perfectly uniform.
With 4 tools, the server is slightly lean but still well-scoped for a specialized tax domain. Each tool covers a core aspect, and the count is appropriate for the server's purpose.
The tools cover key tax operations for Brazilian tech companies: Fator R, Simples Nacional simulation, and export rules. The generic fetch_oracle_data tool fills minor gaps, though some specific tax calculations are missing.
Available Tools
4 toolscalculate_fator_rCalcular Fator R (Simples Nacional)ARead-onlyIdempotentInspect
Calcula o Fator R do Simples Nacional (Art. 18, § 5º-J da LC 123/2006) com inteligência tributária avançada. Suporta validação automática de CNAE, proporcionalização de receitas/folha para empresas com menos de 12 meses de atividade, e projeções de cenários futuros de crescimento.
Inputs: rbt12 (required), folha12 (required), cnae, faturamento_mes, +2 more. Returns: content
fetch_oracle_dataConsultar Dados Estruturados do Oráculo B2RARead-onlyIdempotentInspect
Recupera dados estruturados do oráculo B2R. Retorna informações atualizadas sobre a categoria e chave especificadas. Use quando precisar de dados de mercado, pricing ou métricas atualizados.
Inputs: category (required), key. Returns: content
query_export_rulesRegras de Exportação de Serviços DigitaisARead-onlyIdempotentInspect
Consulta as regras brasileiras de exportação de serviços digitais. Retorna isenções fiscais (ISS, PIS, COFINS), instruções de emissão de NFS-e para exportação, regras cambiais do BCB (Resolução 561) e vedações ao uso de criptoativos no eFX. Use quando uma empresa brasileira precisa entender como tributar receitas de clientes/agentes no exterior.
Inputs: tipo (required). Returns: content
simulate_simples_nacionalSimulação do Simples Nacional (Anexo III vs V)ARead-onlyIdempotentInspect
Simulador completo do Simples Nacional para empresas de tecnologia. Compara Anexo III vs Anexo V, calcula alíquota efetiva, imposto mensal estimado, economia anual potencial e emite alertas de risco sobre o Fator R. Use para planejamento tributário de empresas no regime Simples Nacional.
Inputs: rbt12 (required), folha12 (required), faturamento_mes (required). Returns: content
Tool Schema Changelog
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