
YellowMCP
from 21st-dev
Reliability intelligence for remote MCP servers. Agent-native discovery for 1,700+ servers with uptime monitoring and latency benchmarks.
20,348 Servers554 Up917 Reachable57 Degraded653 DownAvg Trust: 83Health Checks: 14420K+
MCP Server Reliability Intelligence
Monitoring 20,348 servers · 14420K+ health checks
Server StatusiBased on real-time health checks every 5-15 minutes
Up554(25%)Reachable917(42%)Degraded57(3%)Down653(30%)
Trust Score DistributioniTrust scores combine security posture (auth, CORS, SSL) with reliability data
Excellent1,208
Good449
Fair512
Poor11
Critical0
24h Uptime Heatmap — Top 30 ServersiGreen = up, Blue = reachable (auth-required), Yellow = degraded, Red = down, Gray = no data
UTC hours
13:00
16:00
19:00
22:00
1:00
4:00
7:00
10:00
Netdata
AWS Knowledge
PostHog MCP Server
MCP Registry Server
ContextLattice
edgar.tools SEC Intellige
ShipSwift
com.monday/monday.com
io.github.alphavantage/al
io.github.promplate/hmr
ChromaDB Remote MCP Serve
BoostedTravel
ai.smithery/brave
app.thoughtspot/mcp-serve
Rootly
Flaim Fantasy
Supabase
com.teamwork/mcp
Slack MCP Server
io.github.cyanheads/pubme
cloud.dchub/mcp-server
Nutrition MCP
Skyvern
Frihet ERP
com.atlassian/atlassian-m
com.postman/postman-mcp-s
Math MCP Learning
Pyth Pro MCP Server
io.github.cyanheads/clini
ai.klavis/strata
UpReachableDegradedDownNo data
Ecosystem Intelligence
65
Moderate
Ecosystem HealthiComposite score combining uptime, trust, maintenance activity, and authentication coverage across all monitored servers
1.0
Up/Down Ratio (24h)iRatio of servers that recovered vs went down in the last 24 hours. Above 1.0 means more servers coming online than going offline
↑3031↓3114
740
Downfall Events (24h)iServers that changed from up/reachable to down in the last 24 hours
Daily Health Checks (7d)
Notable Downfalls (24h)
↓Netdata★79,4373h ago
↓PostHog MCP Server★35,2035h ago
↓GitHub★31,05711h ago
↓Oh My Posh Validator★22,9373h ago
↓MCP Registry Server★6,96618h ago
Reliability Movers
Rising Reliability
Figma MCP Server+100.0%
com.jepto/mcp+100.0%
com.getunblocked/unblocked-mcp+100.0%
Trends MCP+100.0%
Agent Module+100.0%
Declining Reliability
seltz-100.0%
io.github.ax-platform/ax-platform-100.0%
CivData - Environmental Compliance-100.0%
ai.smithery/smithery-unicorn-100.0%
ai.smithery/smithery-ai-github-100.0%
Category Trust Scores
Registry Rankings
Source Servers Avg Uptime Avg Trust smithery 422 91.8% 93 pulsemcp 115 61.3% 81 registry 1607 62.9% 81 mcpmonitoring 36 50.7% 77
Live Monitoring Feed
Real-time health check results from our monitoring network
TimeServerStatusLatency
6m agocom.echosaw/mcp-serverreachable254ms
6m agocloud.dchub/mcp-serverup176ms
6m agoDepthyup30ms
16m agocom.echosaw/mcp-serverreachable1873ms
20m agoAgentUtil Contextdown253ms
16m agocloud.dchub/mcp-serverup215ms
16m agoDepthyup53ms
20m agoLika Rikareachable580ms
20m agoio.github.WirterNow/agent-bankup394ms
20m agoai.smithery/callmybot-domoticzdown452ms
20m agoGraphOS MCP Toolsup178ms
20m agoKyrgyz Newsreachable393ms
20m agoSuperSendreachable282ms
20m agoio.tkllabs.bh.mcp-servers/ethereachable433ms
20m agoai.smithery/arjunkmrm-ahoy2down432ms
20m agoio.github.KyleTaggart/lspup1782ms
20m agonet.sprtx/sprtx-mcpreachable854ms
20m agohumanMCPup338ms
20m agoWaveGuarddegraded5749ms
20m agoPiranha Visiondown65ms
Top Reliable Servers
View all →
Server Status Uptime Trust
1 Netdata 99.9% 100 2 AWS Knowledge 100.0% 100 3 PostHog MCP Server 99.8% 100 4 MCP Registry Server 99.2% 100 5 ContextLattice 100.0% 95 6 ShipSwift 99.7% 95 7 edgar.tools SEC Intelligence 100.0% 95 8 com.monday/monday.com 99.9% 100 9 io.github.alphavantage/alpha_vantage_mcp 99.9% 85 10 io.github.promplate/hmr 100.0% 100 11 ChromaDB Remote MCP Server 100.0% 100 12 BoostedTravel 99.5% 85 13 ai.smithery/brave 99.8% 95 14 app.thoughtspot/mcp-server 99.9% 100 15 Rootly 99.4% 100 16 Flaim Fantasy 98.9% 100 17 Supabase 99.7% 100 18 com.teamwork/mcp 99.7% 100 19 Slack MCP Server 99.9% 100 20 io.github.cyanheads/pubmed-mcp-server 99.3% 85
Security Intelligence
Full report →
269
No Authentication
52%
Open CORS
2,180
Servers Scanned
83/100
Avg Trust Score
Test Your ServerClaim Your ServerView Full ReportFounding Operator Pack
This tool doesn't publish a standard install command — the repository README on GitHub covers its setup.
No common issues documented yet. If you hit a problem, the repository's GitHub Issues page is the best place to look.