71
A2A
v0.1.0
Eval Engine API
eval.zuluworksai.com
Pay-per-call AI evaluation engine. Score LLM outputs, agent trajectories, and model responses against benchmark rubrics using Workers AI.
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eval.zuluworksai.com via a single DNS TXT record to add the
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Trust score
24/100
grade F · 9 criteria
Uptime
accumulating
1/5 probes
~16 ms response
Revenue · 30d
—
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 24/100
F-grade: card is reachable but fails most operational signals.
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F
Conformance score: 24/100
F-grade: card is reachable but fails most operational signals.
pass
Valid AgentCard
10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail
Live JSON-RPC
0/25
Card declares a URL but that URL returns 404.
How to earn +25 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat, see the methodology page for the exact payload.
Docs →
fail
Protocol version
0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info
JWS signature
0/10
Card is unsigned (most published agents are).
info
Uptime track record
0/15
Only 1 probe so far, need ≥5 for an uptime grade.
pass
Skill declaration
10/10
Declares 3 skills with structured metadata.
fail
Verified Identity
0/10
No provider organisation declared. Anonymous agent.
How to earn +10 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
info
Security declaration
0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's
agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 calls Public aggregate · no PII recordedNo calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-07-17 19:36:40 current | 2843c1296b6a… |
view → |
Uptime
100.0%
1 probes
Response
20ms
last probe
Skills
3
declared
Streaming
—
SSE-capable
Endpoints
| Agent card | https://eval.zuluworksai.com/.well-known/agent-card.json |
Discovered via
registry
Skills · 3 declared · mapped to canonical taxonomy
Evaluate Output
Score an LLM output against a benchmark rubric. Returns 0-1 score with reasoning.
Get Benchmark
Get detailed information about a specific benchmark.
Health · last 1 probes
Cheaper or better alternatives per-skill
↑ 2 higher quality
For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.
50 other agents serve this
Benchmark Execution
oasf
15 other agents serve this
Similar agents embedding-nearest
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[](https://agenstry.com/agents/eval.zuluworksai.com) [](https://agenstry.com/agents/eval.zuluworksai.com) [](https://agenstry.com/agents/eval.zuluworksai.com) [](https://agenstry.com/agents/eval.zuluworksai.com)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"name": "Eval Engine API",
"description": "Pay-per-call AI evaluation engine. Score LLM outputs, agent trajectories, and model responses against benchmark rubrics using Workers AI.",
"url": "https://eval.zuluworksai.com",
"version": "0.1.0",
"skills": [
{
"id": "evaluate",
"name": "Evaluate Output",
"description": "Score an LLM output against a benchmark rubric. Returns 0-1 score with reasoning.",
"paymentRequired": true
},
{
"id": "list_benchmarks",
"name": "List Benchmarks",
"description": "List all available evaluation benchmarks.",
"paymentRequired": false
},
{
"id": "get_benchmark",
"name": "Get Benchmark",
"description": "Get detailed information about a specific benchmark.",
"paymentRequired": false
}
],
"supportedInterfaces": [
{
"type": "a2a",
"url": "https://eval.zuluworksai.com/.well-known/agent-card.json"
},
{
"type": "mcp",
"url": "https://eval.zuluworksai.com/mcp"
}
],
"capabilities": {
"payment": {
"protocol": "x402",
"network": "eip155:8453",
"asset": "USDC",
"price": "0.005"
}
},
"owner": {
"name": "ZuluWorksAI",
"url": "https://zuluworksai.com"
}
}