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Ballast

Official registry Productivity

Cold email outreach: manage campaigns, lead sequences, mailbox warmup, and unified inbox replies.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http ballast 'https://ballast.to/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "ballast": {
            "type": "http",
            "url": "https://ballast.to/api/mcp"
        }
    }
}

Frequently asked questions

What is Ballast?

Cold email outreach: manage campaigns, lead sequences, mailbox warmup, and unified inbox replies.

How do I install Ballast?

It runs as a remote server. In Claude Code: claude mcp add --transport http ballast 'https://ballast.to/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Ballast need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Ballast open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Ballast?

It is published by useballast. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.