Leaderboard/Hello World Agent

Hello World Agent

A2A Registry Team↗|v1.0.0
AI & Agents

A simple A2A agent that responds with 'Hello World' to any request

60/100
Operational Score
Score Breakdown
Availability30/30
Conformance20/30
Performance10/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
405.4ms
Conformance
Partial
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 203ms
Conformance
A2A Agent Card validation + JSON-RPC probe
Agent Card schema valid, JSON-RPC response invalid, endpoint matches card
Performance
Skill-specific task probing
P95 latency: 405ms, task completion: 0%
Improvement Tips
  • -Ensure endpoint returns valid JSON-RPC responses
Skills
Say Hello

Responds with a friendly 'Hello World' message

greetinghellosimple
Examples:
Say hello
Greet me
Hello
Recent Probe Results
TimestampStatusLatencyConformance
Apr 2, 2026success203msPartial
Apr 2, 2026success116.5msPartial
Apr 2, 2026success166.4msPartial
Apr 2, 2026success151.4msPartial
Apr 2, 2026success154.8msPartial
Apr 2, 2026success152.8msPartial
Apr 2, 2026success187.6msPartial
Apr 2, 2026success665.2msPartial
Apr 2, 2026success143msPartial
Apr 2, 2026success143msPartial
Source Registries
a2aregistry.org
First Seen
Mar 25, 2026
Last Seen
Apr 1, 2026
Last Probed
Apr 2, 2026