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Sendblox

Official registry Productivity

AI outreach + email sending connected to your CRM. Requires a paid Sendblox account.

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 sendblox 'https://www.sendblox.io/mcp' --header 'Authorization: <Bearer <Sendblox MCP key> (paid account + Sendblox sign-in required)>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sendblox": {
            "type": "http",
            "url": "https://www.sendblox.io/mcp",
            "headers": {
                "Authorization": "<Bearer <Sendblox MCP key> (paid account + Sendblox sign-in required)>"
            }
        }
    }
}

Frequently asked questions

What is Sendblox?

AI outreach + email sending connected to your CRM. Requires a paid Sendblox account.

How do I install Sendblox?

It runs as a remote server. In Claude Code: claude mcp add --transport http sendblox 'https://www.sendblox.io/mcp' --header 'Authorization: <Bearer <Sendblox MCP key> (paid account + Sendblox sign-in required)>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Sendblox need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains Sendblox?

It is published by io.sendblox. 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.