The AI Agent Index

HubSpot Sales Hub

by HubSpot

★4.5

HubSpot's sales platform with Breeze AI agents for prospecting, deal coaching, and support, plus an official MCP server for CRM access. Free tier; Starter from $7/seat/mo annual.

Make.com

by Celonis (Make)

★4.5

Visual workflow automation with advanced branching and data manipulation across 3,000+ apps. MCP server and client included. Free tier; Core $9/mo billed annually ($10.59 monthly).

Apollo.io

by Apollo

★4.6

B2B sales intelligence with 230M+ contacts, AI sequencing, and autonomous outreach. Free plan; paid from $49/user/mo billed annually ($65 monthly). 600,000+ companies.

Close CRM

by Close

★4.6

Inside-sales CRM with built-in calling, SMS, email, and Chloe AI sales agent on every plan. Solo $9, Essentials $35, Growth $99, Scale $139/seat/mo billed annually. 100+ integrations.

Instantly AI Sales Agent

by Instantly

★4.7

Autonomous outbound agent: reads your site, finds prospects from 450M+ contacts, writes and sends emails, handles replies. Needs the $94/mo Starter bundle ($85 annual), not $47.

lemlist

by lemlist

★4.4

Multichannel outreach across email, LinkedIn, calling, SMS, and WhatsApp with AI personalization. Email $55/mo annual with unlimited users; Multichannel $87/user/mo. SOC 2 Type II.