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Sendly

Official registry Productivity

Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.

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 sendly 'https://app.sendly.now/api/mcp' --header 'Authorization: <Optional. `Bearer sk_…` connects a headless agent with one Sendly secret key, and the key'\''s own scopes become the agent'\''s permissions. Omit it entirely and the server answers 401 with an RFC 9728 challenge, which is how an interactive client discovers the OAuth 2.1 + PKCE flow and registers itself. Sending-only `pk_…` keys are refused.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sendly": {
            "type": "http",
            "url": "https://app.sendly.now/api/mcp",
            "headers": {
                "Authorization": "<Optional. `Bearer sk_…` connects a headless agent with one Sendly secret key, and the key's own scopes become the agent's permissions. Omit it entirely and the server answers 401 with an RFC 9728 challenge, which is how an interactive client discovers the OAuth 2.1 + PKCE flow and registers itself. Sending-only `pk_…` keys are refused.>"
            }
        }
    }
}

Frequently asked questions

What is Sendly?

Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.

How do I install Sendly?

It runs as a remote server. In Claude Code: claude mcp add --transport http sendly 'https://app.sendly.now/api/mcp' --header 'Authorization: <Optional. `Bearer sk_…` connects a headless agent with one Sendly secret key, and the key'\''s own scopes become the agent'\''s permissions. Omit it entirely and the server answers 401 with an RFC 9728 challenge, which is how an interactive client discovers the OAuth 2.1 + PKCE flow and registers itself. Sending-only `pk_…` keys are refused.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Sendly need an API key?

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

Who maintains Sendly?

It is published by now.sendly. 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.