Read, search, send and clean up Outlook.com / Hotmail mail through Microsoft Graph.
Connect Runs on your machine
claude mcp add outlook-mcp -e OUTLOOK_CLIENT_ID=<OUTLOOK_CLIENT_ID> -e OUTLOOK_TENANT=<OUTLOOK_TENANT> -e OUTLOOK_READ_ONLY=<OUTLOOK_READ_ONLY> -e OUTLOOK_TOKEN_STORE=<OUTLOOK_TOKEN_STORE> -- npx -y @pepebits/[email protected]{
"mcpServers": {
"outlook-mcp": {
"command": "npx",
"args": [
"-y",
"@pepebits/[email protected]"
],
"env": {
"OUTLOOK_CLIENT_ID": "<OUTLOOK_CLIENT_ID>",
"OUTLOOK_TENANT": "<OUTLOOK_TENANT>",
"OUTLOOK_READ_ONLY": "<OUTLOOK_READ_ONLY>",
"OUTLOOK_TOKEN_STORE": "<OUTLOOK_TOKEN_STORE>"
}
}
}
}{
"mcpServers": {
"outlook-mcp": {
"command": "npx",
"args": [
"-y",
"@pepebits/[email protected]"
],
"env": {
"OUTLOOK_CLIENT_ID": "<OUTLOOK_CLIENT_ID>",
"OUTLOOK_TENANT": "<OUTLOOK_TENANT>",
"OUTLOOK_READ_ONLY": "<OUTLOOK_READ_ONLY>",
"OUTLOOK_TOKEN_STORE": "<OUTLOOK_TOKEN_STORE>"
}
}
}
}{
"servers": {
"outlook-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@pepebits/[email protected]"
],
"env": {
"OUTLOOK_CLIENT_ID": "<OUTLOOK_CLIENT_ID>",
"OUTLOOK_TENANT": "<OUTLOOK_TENANT>",
"OUTLOOK_READ_ONLY": "<OUTLOOK_READ_ONLY>",
"OUTLOOK_TOKEN_STORE": "<OUTLOOK_TOKEN_STORE>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
OUTLOOK_CLIENT_IDOptional | Your own Azure app (client) ID. Leave unset to use the shared app for personal accounts. |
OUTLOOK_TENANTOptional | consumers (default), organizations, common or a tenant ID. |
OUTLOOK_READ_ONLYOptional | Set to true to expose only read-only tools. |
OUTLOOK_TOKEN_STOREOptional | auto (default), keychain or file: where the token cache is stored. |
Details
| Package | @pepebits/[email protected] (NPM, stdio) |
| First published | 8 Oct 2026 |
| Last updated | 8 Oct 2026 |
| Registry name | io.github.Pepebits/outlook-mcp |
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