Inbox Zero vs Nefesh — Real Time Human State Awareness for AI
In-depth architectural comparison of the Inbox Zero and Nefesh — Real Time Human State Awareness for AI MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Inbox Zero
Communication · Local stdio
Quality: 57/100 (Good) | Auth: OAuth 2.0
Nefesh — Real Time Human State Awareness for AI
Communication · Remote HTTP/SSE
Quality: 47/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Inbox Zero if you need specialized Communication tools running via a local process. Choose Nefesh — Real Time Human State Awareness for AI if your workspace requires Communication integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Inbox Zero when:
You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Freemium).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, MICROSOFT_CLIENT_ID, MICROSOFT_CLIENT_SECRET, GOOGLE_BASE_URL, MICROSOFT_BASE_URL.
Primary tools included: AI personal assistant for inbox organization and reply drafting, Natural language AI rules for custom email handling, Reply Zero tracking for reply and follow-up management.
AI personal assistant for inbox organization and reply drafting
Natural language AI rules for custom email handling
Reply Zero tracking for reply and follow-up management
Bulk unsubscriber and archiver tools
Smart filing of attachments to Google Drive or OneDrive
Slack and Telegram integration for chat-based inbox control
Nefesh — Real Time Human State Awareness for AI Tools (6)
request_api_key
Request a free API key. You MUST ask the user for their real email first. Do not invent or guess emails. The user receives a verification link they must click. Poll with `check_api_key_status` until ready.
check_api_key_status
Poll for API key activation using the same email the user provided. Returns `pending` or `ready` with API key.
get_human_state
Get stress state (0-100), `suggested_action` (maintain/simplify/de-escalate/pause), and `adaptation_effectiveness` — a closed-loop showing whether your previous action reduced stress.
ingest
Send biometric signals (heart rate, HRV, voice tone, expression, sentiment, 30+ fields) and get unified state back. Include `subject_id` for trigger memory.
get_trigger_memory
Get psychological trigger profile — which topics cause stress (active) and which have been resolved over time.
get_session_history
Get timestamped state history with trend (rising/falling/stable).
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Inbox Zero is categorized under Communication and uses a local stdio subprocess. In contrast, Nefesh — Real Time Human State Awareness for AI belongs to Communication using remote streaming HTTP/SSE transport. Select Inbox Zero when you need capabilities focused on communication and Nefesh — Real Time Human State Awareness for AI when you require tools for communication.