Mailshake MCP Server and API by Cotlet for Claude Code

dev.cotlet/mailshake

Mailshake cold email sales outreach MCP server: list campaigns, add recipients to a campaign.

client:Claude Code transport:streamable-http

Install Mailshake MCP Server and API by Cotlet in Claude Code

run in your project directory

claude mcp add --transport http mailshake https://cotlet.dev/mcp/v1/mailshake/connect

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs