One sales agent. Your CRM (sqlite/hubspot/close/attio/salesforce) or none. Your channels (gmail, linkedin). Runs on any MCP-capable harness.

The most complete Close CRM node for n8n — full action node + comprehensive webhook triggers including Published Custom Activity. Maintained by CRM Kraft.

Production-hardened Close CRM helpers — Lucene queries, custom field safety, SMS routing

Battle-tested workflow architecture patterns from 500+ production n8n workflows

Close CRM MCP Pack — wraps the Close (close.com) API v1.

Production-grade Retell AI agent setup — extracted from 14 deployed voice agents