MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.
EPA Air Quality & Toxics
Toxics Release Inventory, Superfund sites, air quality data, and AQI
60/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance20/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
274.4ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 406 in 263ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 274ms, task completion: 0%
Improvement Tips
- -Fix MCP initialize handshake errors
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| May 18, 2026 | success | 263ms | Partial |
| May 16, 2026 | success | 272.9ms | Partial |
| May 13, 2026 | success | 272.6ms | Partial |
| May 13, 2026 | success | 260.8ms | Partial |
| May 12, 2026 | success | 274.4ms | Partial |
| May 11, 2026 | success | 262.7ms | Partial |
| May 9, 2026 | success | 277.3ms | Partial |
| May 7, 2026 | success | 774.8ms | Partial |
| May 7, 2026 | success | 259.4ms | Partial |
| May 7, 2026 | success | 263.2ms | Partial |
Source Registries
mcp-registry
First Seen
Apr 3, 2026
Last Seen
May 18, 2026
Last Probed
May 18, 2026