MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Gmail

Manage your Gmail inbox � send and read emails, organize with labels, manage drafts and threads, handle attachments, and configure vacation auto-reply through 28 MCP tools. ## Features - Send, read, and search emails with Gmail search syntax - Manage drafts (create, update, send) - Organize with labels (create, update, apply to messages) - Thread-based conversation management - Batch operations for bulk label changes and deletions - Attachment retrieval - Vacation auto-reply settings - Full OAuth 2.0 authentication with refresh tokens ## 28 Tools **Messages (10)**: List, get, send, delete, trash, untrash, modify labels, batch delete, batch modify, get attachment **Drafts (6)**: List, get, create, update, delete, send **Labels (5)**: List, get, create, update, delete **Threads (5)**: List, get, modify labels, trash, untrash **Settings (2)**: Get profile, update vacation auto-reply ## Configuration - `GOOGLE_CLIENT_ID` � OAuth 2.0 Client ID from Google Cloud Console - `GOOGLE_CLIENT_SECRET` � OAuth 2.0 Client Secret - `GOOGLE_REFRESH_TOKEN` � Refresh token with Gmail scope

50/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
216.8ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 233ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 216ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 5, 2026success233.5msPass
Apr 5, 2026success216.8msPass
Source Registries
smithery
First Seen
Apr 5, 2026
Last Seen
Apr 5, 2026
Last Probed
Apr 5, 2026
Gmail — Chiark Agent Quality Index