Leaderboard/A2ABench

A2ABench

A2ABench|v0.1.10
AI & AgentsDeveloper Tools

Agent-native developer Q&A with REST + MCP + A2A discovery. Read-only endpoints do not require auth.

64/100
Operational Score
Score Breakdown
Availability30/30
Conformance20/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
234.7ms
Conformance
Partial
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 193ms
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: 234ms, task completion: 0%
Improvement Tips
  • -Ensure endpoint returns valid JSON-RPC responses
Skills
Search

Search questions by keyword or tag and return canonical citation URLs.

qnasearchdeveloperstackoverflow
Examples:
Search for prisma migration errors
Find answers about Fastify swagger
Fetch

Fetch a question thread (question + answers) by id.

qnafetchdeveloper
Examples:
Fetch question cml1equ0r00041486iwv5supc
Show me thread cml1equ0r00041486iwv5supc
Recent Probe Results
TimestampStatusLatencyConformance
May 20, 2026success193.6msPartial
May 18, 2026success146.6msPartial
May 16, 2026success100msPartial
May 13, 2026success134.2msPartial
May 13, 2026success234.7msPartial
May 12, 2026success101.6msPartial
May 11, 2026success312.6msPartial
May 9, 2026success102.7msPartial
May 7, 2026success111msPartial
May 7, 2026success110.6msPartial
Source Registries
a2aregistry.org
First Seen
Mar 25, 2026
Last Seen
May 19, 2026
Last Probed
May 20, 2026