Leaderboard/Base64 Codec API
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Base64 Codec API

Encode/decode base64 and URL-safe base64. x402 micropayment.

54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
490.5ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 225ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 490ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 14, 2026success225.8msPartial
Apr 14, 2026success556.5msPartial
Apr 14, 2026success210.3msPartial
Apr 14, 2026success467.6msPartial
Apr 14, 2026success211.1msPartial
Apr 14, 2026success454.8msPartial
Apr 14, 2026success260.1msPartial
Apr 14, 2026success408.6msPartial
Apr 14, 2026success208.8msPartial
Apr 14, 2026success259msPartial
Source Registries
mcp-registry
First Seen
Apr 13, 2026
Last Seen
Apr 13, 2026
Last Probed
Apr 14, 2026
Base64 Codec API — Chiark Agent Quality Index