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

89/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance29/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
346ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 405 in 346ms
Conformance
A2A Agent Card validation + JSON-RPC probe
Agent Card schema valid, JSON-RPC response valid, endpoint matches card
Performance
Skill-specific task probing
P95 latency: 346ms, task completion: 100%
Skills
Say Hello

Responds with a friendly 'Hello World' message

greetinghellosimple
Examples:
Say hello
Greet me
Hello
Recent Probe Results
TimestampStatusLatencyConformance
Jul 3, 2026success346msPass
Jun 30, 2026success212msPass
Jun 27, 2026success143.4msPass
Jun 25, 2026success282msPass
Jun 24, 2026success216.3msPass
Jun 17, 2026success206.3msPass
Jun 16, 2026success245.2msPass
Jun 16, 2026success138.8msPass
Jun 15, 2026success143msPass
Jun 12, 2026success135.4msPass
Source Registries
a2aregistry.org
First Seen
Mar 25, 2026
Last Seen
Jul 3, 2026
Last Probed
Jul 3, 2026