Endpoint · computePOSTapi.hergertsynthora.com /v1/agentcard
Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security…
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Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security schemes, provider transparency — and returns a compatibility_score, schema_errors and warnings. The trust layer for the agent economy. Deterministic, Ed25519-signed. 0.01 USDC via x402 on Base. SYNTHORA.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.hergertsynthora.com/v1/agentcard
Seen
first 35 days ago · last 23 days ago
35 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.2
UN
RATED
RATED
0.728 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.272: 0.128 uncertain ? + 0.144 short ? · 0.072 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.28 | 0.183 | 0.037 | −0.144 | −0.020 | |
| liveness it answered at all |
0.60 | 1.00 | 0.819 | 0.492 | 0 | −0.108 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.728 | gap to 1.000 = 0.272 · 0.144 short · 0.128 uncertain | 0.728 | −0.144 | −0.128 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.183 latency p95
+ 0.600 × 0.819 liveness
+ 0.200 × 1.000 price stability
= 0.728 → UNRATED: 34 of 30 paid calls weights 2026.09.2 · 34 samples · seed cap_01M1A5AAPQ9MVMPCM7YKF0JNPH|2026-08-18T18:50:56.086Z|2026.09.2
Verify it yourself
npx teppi-check https://api.hergertsynthora.com/v1/agentcardcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAPQ9MVMPCM7YKF0JNPH