outlook-mcp-server-windows-com

An MCP server package intended to provide Outlook (Microsoft) email/calendar functionality to an AI agent via the Model Context Protocol on Windows environments. (Evaluation is limited because no README/repo contents were provided in the prompt.)

Evaluated Apr 04, 2026 (27d ago)
Homepage ↗ Repo ↗ Communication mcp outlook microsoft-graph email calendar productivity ai-agents
⚙ Agent Friendliness
36
/ 100
Can an agent use this?
🔒 Security
58
/ 100
Is it safe for agents?
⚡ Reliability
25
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
40
Documentation
30
Error Messages
0
Auth Simplicity
50
Rate Limits
20

🔒 Security

TLS Enforcement
70
Auth Strength
60
Scope Granularity
50
Dep. Hygiene
50
Secret Handling
60

Assessed conservatively due to lack of repo/README contents. Outlook integrations usually use OAuth2; security depends on how tokens/secrets are stored, whether least-privilege scopes are used, and whether the MCP server logs sensitive request/response data. Verify TLS usage, scope minimization, and logging/redaction behavior in the actual code.

⚡ Reliability

Uptime/SLA
0
Version Stability
40
Breaking Changes
30
Error Recovery
30
AF Security Reliability

Use Cases

  • Agent-assisted inbox triage and summarization
  • Searching and extracting information from Outlook emails
  • Creating or updating calendar events through agent workflows
  • Drafting email replies using retrieved context

Not For

  • Standalone email clients (GUI)
  • Use cases requiring guaranteed transactional semantics across Outlook operations
  • Highly regulated deployments without reviewing OAuth scope usage and data handling

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

Methods: OAuth2 (likely, for Microsoft/Outlook access)
OAuth: Yes Scopes: No

No concrete auth details were provided in the prompt. Outlook access via Microsoft generally involves OAuth2 and scoped permissions; confirm the specific scopes and token handling in the repository/docs.

Pricing

Free tier: No
Requires CC: No

No pricing information provided; assume self-hosted open-source unless repo indicates otherwise.

Agent Metadata

Pagination
none
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • MCP servers typically require careful handling of OAuth tokens and refresh flows; agents must not exfiltrate secrets.
  • Microsoft Graph/Outlook operations can have rate limits and eventual consistency; agents should be prepared for partial failures.
  • Search/list style tools may return paginated results; without explicit pagination contracts, agents may miss content or duplicate work.
  • Email/calendar operations may be non-idempotent (e.g., creating events, sending emails).

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Scores are editorial opinions as of 2026-04-04.

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