We use WarmySender to run cold outreach for several of our PR and media brands from one workspace. Lead search, prospect lists, warmup and campaigns all live in one place, so we no longer juggle three tools. The MCP integration is a big plus: our AI assistant searches leads, uploads lists and builds draft campaigns that we review before anything goes out. Masked lead search is free, so we can size an audience before spending credits, and mailbox health checks helped us catch a DNS issue on one of our domains early.

A few rough edges: you can't create an empty prospect list via the API, so someone still has to open lists in the UI before uploads. Some niche lead segments (e.g. agency founders in a single country) run dry fairly quickly. Lead credits are also spent as soon as you save a lead, so it would be nice to see email quality before paying.

Overall a solid deal for agencies managing multiple brands and senders.