Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.
Connect Remote server
claude mcp add --transport http sendly https://app.sendly.now/api/mcp --header "Authorization: Bearer <YOUR_API_KEY>"{
"mcpServers": {
"sendly": {
"url": "https://app.sendly.now/api/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}{
"servers": {
"sendly": {
"type": "http",
"url": "https://app.sendly.now/api/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}Settings > Connectors > Add custom connector
URL: https://app.sendly.now/api/mcpReplace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | 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.… |
Details
| Endpoint | https://app.sendly.now/api/mcp (Streamable HTTP) |
| First published | 30 Oct 2026 |
| Last updated | 30 Oct 2026 |
| Registry name | now.sendly/sendly |
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