MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.
MailerAstro
Send transactional emails using a wallet address with no API keys required. Pay automatically for messages using USDC while monitoring deliverability and sender reputation. Automate individual or batch email communications with simplified blockchain-based authentication.
54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
306.2ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 140ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 306ms, task completion: 0%
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| Mar 31, 2026 | success | 140.4ms | Pass |
| Mar 31, 2026 | success | 165.4ms | Pass |
| Mar 31, 2026 | success | 184.2ms | Pass |
| Mar 31, 2026 | success | 152.7ms | Pass |
| Mar 31, 2026 | success | 262.2ms | Pass |
| Mar 31, 2026 | success | 225.2ms | Pass |
| Mar 31, 2026 | success | 176.9ms | Pass |
| Mar 31, 2026 | success | 170.5ms | Pass |
| Mar 31, 2026 | success | 201ms | Pass |
| Mar 31, 2026 | success | 170.8ms | Pass |
Source Registries
smithery
First Seen
Mar 29, 2026
Last Seen
Mar 29, 2026
Last Probed
Mar 31, 2026