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Simplify It S.R.L. MCP server

Which MCP servers are Simplify It S.R.L.'s own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-28

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Whose server it is
  • Registry namebo.factura/siatverified in the MCP registry

The registry name sits under factura.bo. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-28
  • Stateanswerschecked 2026-10-28
  • Tools8
  • Server calls itselffactura.bo
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-28 the server answered initialize and tools/list without a sign-in. First answer in 164 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.
  • Checked on 6 of the 7 days it takes to judge reliability.

Once connected

  • Parameters are untyped or undescribed in 2 of 8 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 6, the first on 2026-10-28
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 6 so far
  • Answeredmeasuring6 of the 7 daily checks it takes to print a share
  • Median first answer144 ms
  • Space in an agent's context≈ 974 tokensthe definitions of all its tools (8), which an agent carries on every turn
  • Tool definitionsB · 79 of 100
  • Typed results0 of 8 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 2 of 8
  • Not saying whether it only reads or can destroy: 8 of 8

What an agent can do with it

  • can do · issue SIAT-compliant electronic invoices from a web app
  • not sure · invoice point-of-sale sales from Loyverse automatically
  • not sure · keep a sales ledger ready for the accountant

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers8 tools · read 2026-10-28
  • consultar_tipo_de_cambio

    Tipo de cambio oficial del día del Banco Central de Bolivia: dólar (USD/BOB) y UFV. No requiere autenticación.

  • consultar_estado_siat

    Estado en tiempo real del SIAT de Impuestos Nacionales de Bolivia (¿está caído el SIAT?): OPERATIVO, DEGRADADO o CAIDO, con latencia y uptime de 30 días. No requiere autenticación.

  • listar_sectores

    Lista los 15 tipos de documento fiscal (sectores SIAT) que soporta factura.bo y el endpoint de cada uno.

  • consultar_creditos

    Estado de la cuenta del usuario en factura.bo: créditos de facturación disponibles, modalidad y estado.

  • validar_nit

    Verifica en tiempo real ante el SIAT si un NIT boliviano está activo para recibir facturas. Úsala antes de emitir una factura con NIT.

  • listar_facturas

    Historial de facturas emitidas por el usuario, de la más reciente a la más antigua. Filtros opcionales por fecha y estado.

  • consultar_factura

    Datos completos de una factura por su CUF: estado, montos, enlaces de descarga del PDF y XML.

  • emitir_factura

    Emite una factura fiscal de Compra y Venta (Sector 1) ante el SIAT de Bolivia. IMPORTANTE: antes de llamar esta herramienta muestra al usuario el resumen completo (cliente, ítems, precios y total) y espera su confirmación explícita — el…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "siat": {
      "type": "http",
      "url": "https://api.factura.bo/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http factura https://api.factura.bo/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://api.factura.bo/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.