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SmartCredit+ Hipotecas
es.scplus/hipotecas in the official MCP registry.
Endpoint https://mcp.scplus.es/mcp.
The registry describes it as: Calculadoras, viabilidad, prescoring y ofertas hipotecarias anónimas de SmartCredit+ (España).
We read its 13 tools on 2026-10-28. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
gateway_estado mortgage_calcular_cuota mortgage_calcular_capacidad mortgage_calcular_gastos_compraventa mortgage_simular_primera_vivienda mortgage_calcular_amortizacion_anticipada mortgage_calcular_cambio_hipoteca mortgage_evaluar_viabilidad mortgage_prescoring_perfil mortgage_generar_informe mortgage_solicitar_estudio banking_buscar_ofertas banking_catalogo_publico
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[](https://lazaretto.dev/mcp-registry/es-scplus-hipotecas)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.