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.
47/100
Operational Score
Score Breakdown
Availability27/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
99.8%
P95 Latency
559ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 597ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 559ms, task completion: 0%
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| Apr 16, 2026 | success | 597.7ms | Pass |
| Apr 16, 2026 | success | 195ms | Pass |
| Apr 16, 2026 | success | 209.6ms | Pass |
| Apr 16, 2026 | success | 200.4ms | Pass |
| Apr 16, 2026 | success | 886.2ms | Pass |
| Apr 16, 2026 | success | 221.4ms | Pass |
| Apr 16, 2026 | success | 201.4ms | Pass |
| Apr 16, 2026 | success | 241.3ms | Pass |
| Apr 16, 2026 | timeout | 0ms | Fail |
| Apr 16, 2026 | success | 229.1ms | Pass |
Source Registries
smithery
First Seen
Mar 29, 2026
Last Seen
Apr 18, 2026
Last Probed
Apr 16, 2026