Updated March 2026

Install Outlook Assistant

Pick your client, copy the command, done.

1

Add it to Claude Code

Run this in a terminal.

Run in terminal
claude mcp add -e "MICROSOFT_CLIENT_ID=${MICROSOFT_CLIENT_ID}" -e "MICROSOFT_CLIENT_SECRET=${MICROSOFT_CLIENT_SECRET}" -e "MICROSOFT_TENANT_ID=${MICROSOFT_TENANT_ID}" outlook-assistant -- npx -y @littlebearapps/outlook-assistant
Required:MICROSOFT_CLIENT_IDMICROSOFT_CLIENT_SECRETMICROSOFT_TENANT_ID

Environment Variables

Set these before running Outlook Assistant.

VariableDescriptionRequired
MICROSOFT_CLIENT_IDAzure AD Application Client IDYes
MICROSOFT_CLIENT_SECRETAzure AD Application Client SecretYes
MICROSOFT_TENANT_IDAzure AD Tenant IDYes

Available Tools (3)

Once configured, Outlook Assistant gives your AI agent access to:

search-emailsList, search, or perform delta sync on emails and conversations.
queryfolderIdlimit
read-emailRead full email content and forensic headers.
messageId
send-emailSend an email with safety controls and preview.
tosubjectbody

Try It Out

After setup, try these prompts with your AI agent:

Search my inbox for emails from my manager received in the last 3 days and summarize the main action items.
Draft a reply to the latest email from the project team confirming I will attend the meeting on Friday.
Check my calendar for any conflicts tomorrow and suggest a new time for a 30-minute meeting.
Find all emails related to the recent invoice and export them to a markdown file.
Analyze the headers of the latest email from 'support@example.com' to check for phishing indicators.
Prerequisites & system requirements
  • An MCP-compatible client (Claude Code, Cursor, Windsurf, Claude Desktop, or Codex)
  • Node.js 18+ with npm/npx installed
  • MICROSOFT_CLIENT_ID — Azure AD Application Client ID
  • MICROSOFT_CLIENT_SECRET — Azure AD Application Client Secret
  • MICROSOFT_TENANT_ID — Azure AD Tenant ID

Keep this setup from going cold

Save the docs, env vars, and workflow around Outlook Assistant in Conare so Claude Code, Codex, and Cursor remember it next time.

Need the legacy visual installer? Open Conare IDE.
Remember this setup