Outlook MCP server

by mcp-z·io.github.mcp-z/mcp-outlook·v2.2.3·2 stars

Outlook integration with OAuth, message search, batch operations, and calendar management

C66/100grade C

What users say

No reviews yet

Safety scan

C66/100

not scanned yet

Adoption

Growing

2 stars528 downloads/wk

Reviews

Nobody has reviewed Outlook yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Release history: 2 versions in the registry since 2026-09-13, latest 2026-10-12, typically one every 29 days.

Runs npx -y @mcp-z/mcp-outlook on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-outlook -- npx -y @mcp-z/mcp-outlook

Is Outlook MCP server safe?: With care: it is graded C, so read the findings first (66/100). Read the Outlook safety report
How do I install Outlook?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Outlook need an API key?: Yes. The registry entry asks for MS_CLIENT_SECRET.
Is Outlook maintained?: The last commit was 44 days ago (2026-09-21). The latest release is v2.2.3.
What can I use instead of Outlook?: Servers from other publishers that do the same job: Email MCP server, Mailoo - Email MCP Server and Outlook Assistant MCP server.
How does Outlook compare with other Email MCP servers?: safety score 66/100 (higher than 28% of 916 Email servers); github stars 2 (more than 75% of 493 Email servers); downloads a week 528 (more than 85% of 235 Email servers with a package). Full comparison.

Same job from other publishers: the closest match first, then the best rated.

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Local package. It runs on your machine, not through the gateway.

MS_CLIENT_IDMicrosoft OAuth client ID (required for OAuth authentication modes)
MS_TENANT_IDMicrosoft tenant ID (required for OAuth authentication)
MS_CLIENT_SECRETsecretMicrosoft OAuth client secret (optional for public clients)
AUTH_MODEAuthentication mode
HEADLESSDisable browser auto-open, return auth URL instead (true/false)
REDIRECT_URIOAuth redirect URI (optional, default: ephemeral loopback)
RESOURCE_STORE_URIResource store URI for CSV export files (file://)
PORTHTTP server port (overrides --port)
BASE_URLBase URL for HTTP transport (used for OAuth/DCR endpoints and file links)
LOG_LEVELLogging level
MS_CLIENT_IDMicrosoft OAuth client ID (required for OAuth authentication modes)
MS_TENANT_IDMicrosoft tenant ID (required for OAuth authentication)
MS_CLIENT_SECRETsecretMicrosoft OAuth client secret (optional for public clients)
AUTH_MODEAuthentication mode
HEADLESSDisable browser auto-open, return auth URL instead (true/false)
REDIRECT_URIOAuth redirect URI (optional, default: ephemeral loopback)
DCR_MODEDynamic Client Registration mode
DCR_VERIFY_URLExternal verification endpoint URL (required for external DCR mode)
DCR_STORE_URIDCR client storage URI (for self-hosted DCR mode)
RESOURCE_STORE_URIResource store URI for CSV export files (file://)
PORTHTTP server port (overrides --port)
BASE_URLBase URL for HTTP transport (used for OAuth/DCR endpoints and file links)
LOG_LEVELLogging level

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Shows the safety grade and links back to this page. It updates itself after every scan and review.

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