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DimensionOutlook Desktop MCPTurn your running Outlook Desktop into an MCP server. No Graph API, no OAuth.Notion MCP ServerOfficial Notion MCP server for querying, editing, and managing Notion pages and databases via AI agents.
FMRS59 / 100 · C64 / 100 · C
Reliability8 / 208 / 20
Security and permissions10 / 2017 / 20
Maintenance12 / 2010 / 20
Documentation15 / 2016 / 20
Setup experience14 / 2013 / 20
Best for
  • Users who have Outlook Desktop installed and want to avoid cloud API integration.
  • Users who need quick setup without OAuth or admin consent.
  • Users who want to leverage local Outlook session and cached data.
  • Teams and individuals who already manage docs/wikis in Notion and want AI clients (Claude Desktop, Cursor, etc.) to operate on that content directly
  • Developers who want to self-host a local MCP server rather than use a remote hosted option
  • Automation/agent workflows that need to query or update Notion database records programmatically
Not for
  • Users who do not use Outlook Desktop.
  • Users who need cloud API or remote access to Outlook data.
  • Users on unsupported Outlook versions (e.g., new Outlook on Windows without COM) or without necessary permissions (macOS).
  • Users who want the standard-OAuth, zero-JSON-config install with active official support — Notion recommends its newer remote Notion MCP server for that
  • Users uncomfortable handing a Notion integration token to a locally-run LLM client
  • Use cases needing capabilities the integration deliberately excludes, such as deleting databases
  • Long-term production deployments that need guaranteed maintenance, given this repo may be sunset
Required permissions
  • Windows: Access to Outlook COM object model; may require authorization or registry policy changes.
  • macOS: Requires Automation and Accessibility permissions to control Outlook via osascript and read Exchange inbox.
  • A Notion internal integration token (NOTION_TOKEN or the Authorization value in OPENAPI_MCP_HEADERS), scoped by that integration's Capabilities (can be limited to read-only)
  • Access limited to the specific pages/databases explicitly connected to the integration, not the whole workspace
  • A separate bearer auth token when using the Streamable HTTP transport (--auth-token / AUTH_TOKEN)
  • Network access to the Notion API
Risks and side effects
  • Programmatic Access prompts may appear; must allow access or configure registry.
  • Automated tools could be misused by malicious instructions, potentially sending or modifying emails, calendar, or tasks unexpectedly.
  • Local-only, not cloud-based.
  • If the integration is granted broad read/write capabilities and connected to many pages, that content is effectively exposed to the LLM, risking data leakage or unintended edits
  • Running with --unsafe-disable-auth removes bearer authentication on the HTTP transport, potentially making it reachable via DNS rebinding from pages a user visits — the README says to only use it on an isolated network
  • Multi-tenant token passthrough requires careful TLS/gateway configuration; misconfiguration risks leaking or misrouting Notion tokens between tenants
  • The README states this local server may be sunset in favor of the remote Notion MCP, and that issues/PRs here are not actively monitored, so long-term maintenance and security fixes are not guaranteed
  • Storing NOTION_TOKEN or OPENAPI_MCP_HEADERS directly in shared client config files risks leaking the secret
Supported clientsClaude Desktop, Claude CodeClaude Desktop, Cursor, Zed, GitHub Copilot CLI
Tools299