Run your whole cold email stack from Claude, Cursor or any agent.

52 tools over everything in Sender Pools: import lists, launch ICPs, write and A/B test copy, work the inbox, watch mailbox health, wire up webhooks. In plain English, from the tool you already have open.

{
  "mcpServers": {
    "sender-pools": {
      "url": "https://api.senderpools.com/api/mcp",
      "headers": {
        "Authorization": "Bearer apiKey_YOUR_KEY"
      }
    }
  }
}

{
  "mcpServers": {
    "sender-pools": {
      "url": "https://api.senderpools.com/api/mcp",
      "headers": {
        "Authorization": "Bearer apiKey_YOUR_KEY"
      }
    }
  }
}

claude mcp add --transport http sender-pools https://api.senderpools.com/api/mcp \
  --header "Authorization: Bearer apiKey_YOUR_KEY"

52 tools. The whole product, nothing held back.

• Who does this key authenticate as, plus account details
• List workspaces with credit balances; get one with its ICPs and tags
• Mailbox counts and health; workspace-wide daily send metrics with capacity

• List, get, create and update ICPs; create queues AI enrichment of problem, solution, status quo and competitive advantage
• Pause and resume, schedule a start date, set days between sends and max new leads per day
• Unsubscribe on reply, auto-pause on company reply
• Cumulative metrics, daily send metrics, sends still queued per mailbox type

• Import into an ICP with tags, timezone, sending strategy and weekend rules; duplicates skipped, large imports finish in the background
• Preview how many of a list are already in the ICP
• List, search, batch update, unsubscribe, bulk tag or DNC, delete
• List prospects by lead response and reply date; override a classification; remove from an ICP
• Import history, tags and custom fields (create up to 25 per workspace)

• List DNC entries
• Add by email or whole domain
• Remove entries

• Configure step count and whether each step is AI-written or template-based
• Get and update one step, including delay override and reply-in-thread
• Create, update, retire and delete email templates; multiple templates on a step run as a random-split A/B test
• Preview copy against a real prospect with tokens and spintax resolved
• Per-template sends and reply rates; rebuild queued emails after copy changes
• Generated copy and delivery status of any single sent email

• List threads filtered by replies, unread, out-of-office and archived
• Get a full thread, reply from one of your mailboxes, forward with a covering note
• List mailboxes; get one with its reputation score

• List, create, update and delete endpoints with event type and lead response filters
• Send a test event
• Regenerate the signing secret, read the delivery log