"Esoteric Software" matching MCP servers:

Unofficial MCP server for Siigo Colombian electronic invoicing software that enables AI to manage customers, products, invoices, credit notes, and journals through the Siigo API with configurable safety modes.

Read-only MCP server for ISPKeeper ISP management software, enabling querying of clients, invoices, collections, internet connections, support tickets, network status, and FTTx infrastructure through MCP-compatible clients.

Provides standardized access to HubSpot CRM API for managing contacts, companies, deals, leads, engagements, and associations with support for batch operations and advanced search capabilities.