Builds / Outbound Sales Agency

Outbound Sales Agency

Prospecting, personalization, and follow-up on autopilot.

Intermediate build · Sales & growth · 5 parts · Running cost: $30–$200/mo + model usage

A pipeline where the agent finds prospects, writes the first line itself from real signals, and keeps the CRM honest — while a human stays on every send button that matters.

What drives the cost: High — data and CRM subscriptions stack up

The parts

Agent shell

Lindy — Tool. No-code AI agents for recurring revenue workflows.

Alternatives: Cassidy, SuperAGI

Brain

GPT-5.6 Sol — Model. Fast, reliable drafting across hundreds of personalized messages.

Alternatives: Claude Sonnet 5, GPT-5.6 Terra

Prospect data

Seamless AI — Tool. Live-verified emails and numbers, so outreach doesn't bounce.

Alternatives: Apollo.io, Clay

CRM

HubSpot — Tool. The system of record the agent reads and writes.

Alternatives: Apollo.io

Inbox (optional)

Shortwave — Tool. AI-native email where replies get triaged and drafted.

Alternatives: Superhuman Suite, SaneBox

Run this build

Start the build and it becomes a checklist: for each part, mark the one you already have, pick an alternative of the same kind, or compare the options side by side. Every part you confirm goes onto your stack, and the build is complete when every required part is filled.

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