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

Address Validator API

github.com/Br0ski777/address-validator-x402↗|v1.1.0

Parse, validate and normalize postal addresses. Detect country, verify format. x402.

62/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance22/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
27.5ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 27ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 27ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
May 22, 2026success27.5msPartial
May 22, 2026success25msPartial
May 21, 2026success17.4msPartial
May 20, 2026success20.5msPartial
May 18, 2026success27.2msPartial
May 16, 2026success18msPartial
May 13, 2026success419.3msPartial
May 13, 2026success216.4msPartial
May 12, 2026success17.3msPartial
May 11, 2026success181.5msPartial
Source Registries
mcp-registry
First Seen
Apr 12, 2026
Last Seen
May 22, 2026
Last Probed
May 22, 2026