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

Slack

MCP server for Slack Web API — send messages, manage channels, search content, and automate your workspace. ## Features - Send, update, delete, and schedule messages with Block Kit support - Manage channels: create, archive, invite/kick members, set topics - Search messages and files with Slack's powerful query syntax - Upload and manage files with 2-step upload process - React to messages, pin items, and manage bookmarks - Browse users, team info, and custom emoji ## 38 Tools **Messages (7)**: send, update, delete, schedule, cancel scheduled, list scheduled, get permalink **Conversations (12)**: list channels, info, history, thread replies, members, create, archive, invite, kick, join, set topic, open DM **Users (2)**: list all, get info **Reactions (3)**: add, remove, get reactions **Search (2)**: search messages, search files **Files (3)**: upload, list, delete **Pins (3)**: pin, unpin, list pins **Bookmarks (4)**: add, edit, remove, list **Team (1)**: get workspace info **Emoji (1)**: list custom emoji ## Configuration - SLACK_BOT_TOKEN — Get one at https://api.slack.com/apps (create app → OAuth & Permissions → Install → copy Bot Token)

55/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance15/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
187.6ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 194ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 187ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 10, 2026success194.6msPass
Apr 10, 2026success422.3msPass
Apr 10, 2026success187.6msPass
Source Registries
smithery
First Seen
Apr 10, 2026
Last Seen
Apr 10, 2026
Last Probed
Apr 10, 2026
Slack — Chiark Agent Quality Index