| FMRS | 56 / 100 · C | 64 / 100 · C |
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| Reliability | 8 / 20 | 8 / 20 |
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| Security and permissions | 10 / 20 | 17 / 20 |
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| Maintenance | 12 / 20 | 10 / 20 |
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| Documentation | 14 / 20 | 16 / 20 |
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| Setup experience | 12 / 20 | 13 / 20 |
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| Best for | - Individuals and teams needing access to several Google Workspace services.
- Developers deploying by tool tier, service, or permission scope.
- Organizations needing self-hosted, multi-user OAuth 2.1, or container deployments.
- Developers who want to call MCP tools through a CLI.
| - 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
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| Not for | - Users requiring a server maintained by Google.
- Users with only a personal @gmail.com account who need Google Chat.
- Users unwilling to configure Google Cloud OAuth credentials or APIs.
- Applications seeking unauthorized access to Google Workspace data.
| - 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
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| Required permissions | - Requires Google Cloud OAuth client credentials.
- OAuth scopes depend on the enabled services and tools.
- Supports read-only scopes, per-service granular permissions, and full access.
- Write tools for Drive, Gmail, and other services require corresponding write permissions.
- Google Chat requires a configured Chat app and a Google Workspace account.
- Optional service-account mode requires service-account credentials and domain-wide delegation.
| - 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
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| Risks and side effects | - Full tools and write scopes may allow modifying, sending, deleting, or sharing user data.
- For public deployments, unrestricted dynamic-client redirect URIs can create a phishing risk.
- Stdio is a legacy fallback; OAuth 2.1 is recommended for remote or shared deployments.
- Local attachments and credential stores write to configured local directories; stateless mode avoids file writes.
- Google API quotas, OAuth consent configuration, and account permissions may limit functionality.
- The Chat API is unavailable for personal Gmail accounts.
| - 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
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| Supported clients | Claude Desktop, Claude Code, VS Code, LM Studio | Claude Desktop, Cursor, Zed, GitHub Copilot CLI |
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| Tools | 29 | 9 |
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