Leaderboard/KDP Niche Research
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

KDP Niche Research

nichedata.dev↗|v0.2.0

Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.

57/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance17/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
270.2ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 406 in 151ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 270ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Jun 17, 2026success151.9msPartial
Jun 16, 2026success190msPartial
Jun 16, 2026success249.1msPartial
Jun 15, 2026success270.2msPartial
Jun 12, 2026success66.4msPartial
Jun 11, 2026success195.2msPartial
Jun 11, 2026success150.6msPartial
Jun 10, 2026success72msPartial
Jun 9, 2026success97.4msPartial
Jun 5, 2026success361.4msPartial
Source Registries
mcp-registry
First Seen
May 3, 2026
Last Seen
Jun 20, 2026
Last Probed
Jun 17, 2026