Quick Start

The Atoms MCP Server connects your AI editor to the Atoms platform. No console tab-switching — just type what you want in natural language.

Setup

Get your API key

Open app.smallest.ai, click your profile in the top-left, and go to Settings.

Click API Keys in the sidebar, then Create API Key.

Atoms platform API Keys page with the Create API Key button highlighted

Name your key and click Create API Key. Copy it — it starts with sk_.

Create New API Key dialog with name input and Create button

Paste this in your editor's chat

Open a chat in Cursor or Claude Desktop and paste one of these:

curl (recommended)
npm

Zero dependencies — no Node.js needed.

Mac / Linux
Windows

Set up the Atoms MCP server for me using the curl installer.
Run: curl -fsSL https://raw.githubusercontent.com/smallest-inc/mcp-server/main/install.sh | bash
My API key is: sk_paste_your_key_here

Set up the Atoms MCP server for me using the PowerShell installer.
Run: irm https://raw.githubusercontent.com/smallest-inc/mcp-server/main/install.ps1 | iex
My API key is: sk_paste_your_key_here

Requires Node.js 18+.

Set up the Atoms MCP server for me.
The npm package is @developer-smallestai/atoms-mcp-server.
My API key is: sk_paste_your_key_here

Your assistant configures everything for you.

Restart your editor

Cursor
Claude Desktop

Cmd+Shift+P (Mac) or Ctrl+Shift+P (Windows) → Developer: Reload Window

Verify

Type this in chat:

List all my agents

You should see your agents listed back. You’re set up.

Prefer to set things up yourself? See the Manual Setup guide.

What can you do?

Just type in your editor’s chat — the AI picks the right tool:

View data
Debug
Build
Call

Show me all failed calls from this week

What's our total call spend this month?

List all my agents

Debug call CALL-1234567890-abc123

Returns the full transcript, errors, timing, costs, and post-call analytics.

Create a new agent called "Support Bot"

Update its prompt to: "You are a helpful support agent..."

Call +14155551234 using the "Sales" agent

Triggers a real outbound call — the agent follows its configured prompt.

See the full list in the Prompt Cookbook.

Getting Started

Using the MCP

Help

Setup

What can you do?

Getting Started

Using the MCP

Help

​Setup

​What can you do?

Setup

What can you do?