Notsy Facturación is answering right now. Last checked 9 min ago. It exposes 4 tools.
Emite CFDIs 4.0 y resuelve claves del SAT para agentes de IA (México), con permisos por API key.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 17 August 2026. No other catalogue keeps this.
Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.
claude mcp add notsy-facturacion --transport http https://mcp.notsy.com.mx/mcp
{
"mcpServers": {
"notsy-facturacion": {
"url": "https://mcp.notsy.com.mx/mcp"
}
}
}
[mcp_servers.notsy-facturacion]
url = "https://mcp.notsy.com.mx/mcp"
{
"mcpServers": {
"notsy-facturacion": {
"url": "https://mcp.notsy.com.mx/mcp"
}
}
}
{
"mcpServers": {
"notsy-facturacion": {
"url": "https://mcp.notsy.com.mx/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
emitir_cfdi
preview_factura
resolver_claves_sat
whoami
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.notsy.com.mx/mcp | streamable-http | answering | 411 ms | 9 min ago |
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Answers built from our own checks of this server.