Guia da Maquininha MCP Server
Supplies MDR credit/debit rates, anticipation fees, and monthly cost simulations for Mercado Pago card machines in Brazil. Agents can retrieve Mercado Pago's pricing for a given business tier (MEI, small, medium, large) and compare it against other acquirers to rank the cheapest option.
Supplies MDR credit/debit rates, anticipation fees, and monthly cost simulations for the Ton card machine brand in Brazil. Agents can calculate Ton's cost for a given business profile and compare its ranking against other Brazilian acquirers.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Guia da Maquininha MCP Server qual maquininha tem menor custo mensal para MEI?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
MCP Server - Guia da Maquininha
MCP Server que expõe dados reais de taxas de maquininha de cartão no Brasil (2026). Permite que modelos de IA consultem e comparem taxas de diferentes marcas (Stone, Cielo, Mercado Pago, PagBank, SumUp, InfinitePay, Ton, Getnet) para diferentes perfis de negócio.
Instalação
npm installRelated MCP server: tokenomics
Uso
O servidor roda via stdio e segue o Model Context Protocol padrão.
Ferramentas disponíveis
get_brands - Lista todas as marcas com taxas MDR
get_tiers - Lista perfis de negócio (MEI, pequeno, médio, grande)
calculate_cost - Calcula custo mensal real para marca + perfil
compare_brands - Compara todas as marcas e retorna ranking de custo
Exemplo de chamada
{
"name": "compare_brands",
"arguments": {
"tier": "mei",
"antecipation": false
}
}Dados
As taxas são baseadas em pesquisa de mercado 2026 com:
MDR crédito/débito por marca
Taxa de antecipação
Perfil de ticket médio e volume por tier de negócio
Fonte
guiamaquininha.com.br — comparador de maquininhas de cartão no Brasil. Dados originais de taxas MDR, simuladores de custo mensal e guias práticos para pequenos negócios escolherem a adquirente certa.
Registro MCP
Este servidor está pronto para submissão em registry.modelcontextprotocol.io
Registry MCP (publicado)
Nome: io.github.canalthailexa-lgtm/guiamaquininha (v1.0.0)
Status: active — verificado na API oficial em 15/10/2026
Endpoint remoto (streamable-http): https://guiamaquininha-mcp.gcnovidade.workers.dev/mcp
Agregadores de MCP sincronizam com o registry oficial — é dessa sincronização que vem a exposição/backlinks citada na técnica.
Available Tools
4 toolscalculate_costC
Calcula o custo mensal real de uma maquininha para um perfil específico
Inputs: tier (required), brand (required), antecipation.
compare_brandsA
Compara todas as marcas de maquininha para um perfil de negócio e retorna o ranking de custo
Inputs: tier (required), antecipation.
get_brandsA
Lista todas as marcas de maquininha disponíveis com suas taxas MDR
Inputs: no named parameters.
get_tiersB
Lista os perfis de negócio (MEI, pequeno, médio, grande) com ticket médio e volume
Inputs: no named parameters.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
Loading tool schema changelog…
TDQS
Scored across 4 tools
get_brands and get_tiers clearly target distinct resources (brands vs. business profiles), and calculate_cost vs. compare_brands differ in scope (single brand cost vs. cross-brand ranking). The two cost tools are conceptually related since ranking is an aggregation of per-brand costs, but the descriptions make the boundary workable.
All four tools follow a clean verb_noun snake_case pattern: get_brands, get_tiers, calculate_cost, compare_brands. The verbs vary appropriately with the action while the structure stays fully predictable.
Four tools is well-scoped for a focused card-machine cost comparison domain: two reference listers, one calculator, and one comparator. Each tool earns its place with no redundancy.
The surface covers the core workflow: list brands, list profiles, calculate cost for a profile, and rank brands. Minor gaps exist (no single-brand detail lookup or fee-type breakdown beyond MDR), but agents can still answer the domain's main questions without dead ends.
Maintenance
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