WarmInboxes Free MCP: Fleet Planner for Claude.ai
com.warminboxes/fleet-planner
Read-only sizing and pricing for cold email inboxes: how many, which provider, what it costs.
client:Claude.ai
transport:streamable-http
tools:16
Install WarmInboxes Free MCP: Fleet Planner in Claude.ai
Settings → Connectors → Add custom connector
https://warminboxes.com/mcp/planner
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs