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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionUnraidUnraid RMCP - Rust MCP server and CLI for Unraid GraphQL operations.Microsoft 365 MCP ServerAn MCP server for interacting with Microsoft 365 and Office services through the Graph API.
FMRS31 / 100 · D61 / 100 · C
Reliability4 / 208 / 20
Security and permissions6 / 2013 / 20
Maintenance6 / 2010 / 20
Documentation8 / 2016 / 20
Setup experience7 / 2014 / 20
Best for
  • Developers familiar with Rust
  • Users who need to manage Unraid via CLI or MCP locally
  • Users who prefer a single static binary
  • Developers who want to integrate Microsoft 365 data into AI assistants or custom applications.
  • Scenarios requiring unified access across multiple services (email, calendar, files, Teams, etc.).
  • Lightweight solutions to interact with Graph API via MCP protocol.
Not for
  • Users needing official Unraid support
  • Users preferring Python ecosystem
  • Users needing GUI management
  • Highly secure enterprise production environments (requires careful scope management and deployment complexity).
  • Admin tasks requiring Microsoft 365 admin permissions (like security alerts, audit logs) — consider companion project ms-365-admin-mcp-server.
  • Environments without Node.js.
  • Support for non-Microsoft clouds like GCC High (only Global and China 21Vianet currently).
Required permissions
  • Requires Unraid API URL and API key
  • Read operations require `unraid:read` scope
  • Mutating operations require `unraid:admin` scope
  • Requires Microsoft Graph API permissions, dynamically requested based on enabled tools. Examples: User.Read, Mail.Read, Files.Read.
  • Organization mode (--org-mode) requires additional Graph permissions for Teams, SharePoint, etc. (e.g., Sites.Read.All).
  • Shared mailbox access requires delegated Mail.Read.Shared or Mail.Send.Shared scopes.
  • Use --allowed-scopes to restrict tool exposure; --extra-scopes to add extra scopes. Note: --allowed-scopes only narrows, never expands permissions.
Risks and side effects
  • Not an official Unraid tool, may lack support
  • Requires network access to Unraid server
  • API key exposure could be a security risk
  • Write operations could affect VM, Docker, or array state
  • Token security: File-based token storage may be exposed; use OS credential storage or secure custom paths.
  • Overly broad permissions: default requests all scopes implied by tools; use allowed-scopes or tool filtering to limit.
  • Multi-tenant token risk: With default 'common' tenant, personal account refresh tokens may be rejected as of June 2026, causing session expiry.
  • Third-party project risk: Not officially maintained, potentially less stable than official solutions.
  • HTTP mode OAuth setup complexity: Requires correct Azure AD app registration and redirect URIs.
Supported clientsClaude DesktopClaude Desktop, Open WebUI
Tools010