Endpoint · extractionPOSTagent.halowerk.com /v1/a2a-card-validate
Validates an Agent Card document against the A2A convention and returns findings by severity: error (the card is unusable as published), warning (works, but a consuming agent will…
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Validates an Agent Card document against the A2A convention and returns findings by severity: error (the card is unusable as published), warning (works, but a consuming agent will guess), info (recommended field absent). Checked: the required fields name, description, url, version, capabilities and skills; that url is absolute and https; that every skill carries id, name, description and tags and that skill ids are unique; that declared securitySchemes use a known type and that every entry in…Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://agent.halowerk.com/v1/a2a-card-validate
Seen
first 34 days ago · last 24 days ago
33 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.1
UN
RATED
RATED
0.302 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.698: 0.104 uncertain ? + 0.594 short ? · 0.148 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.34 | 0.170 | 0.102 | −0.394 | −0.104 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.302 | gap to 1.000 = 0.698 · 0.594 short · 0.104 uncertain | 0.302 | −0.594 | −0.104 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.170 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.302 → UNRATED: 32 of 30 paid calls weights 2026.09.1 · 32 samples · seed cap_01M1A5QFW1PGSFKPVR81TTRYTP|2026-08-17T23:16:22.948Z|2026.09.1
Verify it yourself
npx teppi-check https://agent.halowerk.com/v1/a2a-card-validatecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QFW1PGSFKPVR81TTRYTP