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Finance & Bills

Alugar ou Comprar

Compare buying vs renting a property with detailed financial simulations for Brazil

Financial simulator for Brazilian real estate decisions. Compares buying versus renting scenarios, calculates affordability, analyzes sensitivity to property appreciation and investment returns, and provides year-by-year breakeven analysis with municipal tax rates.

Try asking Muse: "Should I buy or rent this apartment in São Paulo given my income and down payment?"

Working now?
Working
Worked last 7 days
100% of checks
How to get it
Extra setup
Account
No account needed
Price
Not stated

Source: Found in the official MCP Registry (io.github.ronybarbosa/alugar-ou-comprar) · First listed September 25, 2026

Last 24 hours

Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.

Is it safe to connect?

What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.

Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.

musedirectory.ai is not part of Meta. More about how Muse handles your information

How to add it to Muse

Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Open Muse
https://alugar-ou-comprar.vercel.app/api/mcp

Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.

Technical details: safety screening, tools, response time and recent checks

Response time at the last check: 978ms. Worked in 100% of checks over 30 days.

Screening · September 25, 2026

Screened, no issues found

MCP handshake
Pass
Answered in 2066ms
Domain against threat feeds (Cloudflare security DNS)
Pass
alugar-ou-comprar.vercel.app not flagged
Published packages against the OSV malicious-package database
n/a
No npm or PyPI package published
Hidden instructions or invisible characters in tool text
Pass
13 tools read, nothing found
Inputs asking for passwords, card numbers or seed phrases
Pass
None found
Domain and redirects
Pass
No redirects off the domain
AI review of purpose and tool behavior
Pass
No concerns

Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.

Tools · 13

sensitivity_analysisExecuta uma análise de sensibilidade cruzando taxas de valorização do imóvel com rendimentos do investimento alternativo. Retorna uma matriz onde cada célula indica se compensa comprar (C) ou alugar (A), além do ano de breakeven patrimonial. Reusa o mesmo motor de simulação de si
simulate_buy_vs_rentExecuta a simulação determinística "comprar vs alugar" para um imóvel. Aceita parâmetros simples ou múltiplos cenários (pessimista/base/otimista) via campo "cenarios". Retorna veredito, ano e mês de breakeven, vantagem patrimonial final, custos do primeiro mês, snapshots anuais c
recommendation_contextualGera uma recomendação contextual entre alugar e comprar, considerando horizonte de permanência e sensibilidade aos parâmetros de valorização do imóvel e rendimento do investimento alternativo. Retorna horizonte de corte (breakeven patrimonial), veredito ano a ano, thresholds de s
generate_share_linkGera links compartilháveis para a simulação: um com query params (preenche o formulário da home) e outro no formato /simular/<slug> (painel interativo completo com gráficos) em https://alugar-ou-comprar.vercel.app.
check_affordabilityCalcula o valor máximo de imóvel que a renda familiar consegue financiar, considerando regras de comprometimento de renda, entrada e custos de transação.
get_municipio_ratesBusca alíquotas de ITBI, IPTU, escritura e registro de um município brasileiro. Passe municipioId para busca exata, ou uf/nome para filtrar. Sem filtro retorna a lista completa.
get_rental_yieldCalcula o rental yield (retorno anual e mensal) a partir do valor do imóvel e do aluguel mensal. Interpreta o indicador: < 5% a.a. = aluguel relativamente barato; 5–7% = intermediário; 7–9% = aluguel caro; > 9% = aluguel muito caro. Indicador inicial, não é uma regra absoluta.
calculate_cetCalcula o CET (Custo Efetivo Total) anual de um financiamento imobiliário, incluindo juros, seguros MIP/DFI e taxas administrativas. Aceita os mesmos parâmetros da simulação comprar vs alugar.
simulate_tr_evolutionRetorna uma série mensal projetada de TR (Taxa Referencial) para uso em financiamentos indexados. Modo 'historical' usa os dados de data/tr_historical.json; modo 'projected' usa TR base constante.
max_price_from_rentCalcula o preço máximo de imóvel compatível com um aluguel mensal máximo informado. Considera parcela de financiamento (PRICE), condomínio, IPTU, manutenção, seguros e custo de oportunidade da entrada. Retorna o preço máximo e o custo mensal estimado nos cenários atual, otimista
get_default_parametersRetorna o conjunto ativo de parâmetros padrão brasileiros (taxas, prazos, custos) usados pelo site e pelas simulações.
compare_amortization_strategiesCompara 3 estratégias de uso de uma renda extra mensal: A) pagar apenas a parcela do financiamento, B) investir a renda extra, C) amortizar extraordinariamente o financiamento. Retorna o patrimônio líquido final de cada estratégia, o breakeven e uma recomendação.
get_site_infoRetorna informações sobre o site É melhor alugar ou comprar um imóvel e como acessar os painéis interativos.

Recent checks

2026-09-28 08:01:37live · HTTP 200978ms
2026-09-28 05:45:53live · HTTP 2001084ms
2026-09-28 03:16:06live · HTTP 200845ms
2026-09-28 01:00:56live · HTTP 2001155ms
2026-09-27 22:45:47live · HTTP 200865ms
2026-09-27 20:16:00live · HTTP 2001441ms
2026-09-27 18:01:24live · HTTP 2002061ms
2026-09-27 15:33:34live · HTTP 2002747ms
2026-09-27 13:31:19live · HTTP 2002650ms
2026-09-27 11:16:09live · HTTP 2001573ms
2026-09-27 09:01:32live · HTTP 2001391ms
2026-09-27 06:31:16live · HTTP 2001906ms

Link

https://alugar-ou-comprar.vercel.app/api/mcp

Questions about Alugar ou Comprar in Muse

How do I connect Alugar ou Comprar to Muse?

Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Alugar ou Comprar to help me. It is a free service with an MCP server at https://alugar-ou-comprar.vercel.app/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Is Alugar ou Comprar working right now?

At the last check (September 28, 2026, 08:01 UTC) the endpoint was working, answering in 978ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.

Is Alugar ou Comprar safe to connect to Muse?

It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.

What can Alugar ou Comprar do in Muse?

It exposes 13 tools, including sensitivity_analysis, simulate_buy_vs_rent, recommendation_contextual, generate_share_link. For example, you could ask Muse: "Should I buy or rent this apartment in São Paulo given my income and down payment?"

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