Endpoint · evidencePOSTpresign.hergertsynthora.com /service
Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons.
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Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons. Decodes the calldata to catch UNLIMITED approvals (spender can drain the token without further signatures), and cross-checks the token (honeypot, mintable, pausable, hidden owner, blacklist, buy/sell tax via GoPlus) and the spender/recipient (phishing, blacklist, sanctions via GoPlus address-security + Chainalysis + TRM). Use it as a last-mile guard before approving a token or signing a tx. Ed25519-signed provenance. 0.015 USDC on Base. POST {"chain":"base","to":"0x..","data":"0x.."} to verify a tx before signing, or {"chain":"base","token":"0x.."} to verify a token before approving.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.015 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://presign.hergertsynthora.com/service
Seen
first 21 days ago · last 7 days ago
33 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.560 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.440: 0.106 uncertain ? + 0.333 short ? · 0.090 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.78 | 0.601 | 0.360 | −0.133 | −0.106 | |
| 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 | 0.560 | gap to 1.000 = 0.440 · 0.333 short · 0.106 uncertain | 0.560 | −0.333 | −0.106 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.601 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.560 → UNRATED: 32 of 30 paid calls weights 2026.09.6 · 32 samples · seed cap_01M2CMPDE2M4A9H0CVX9D8VV4R|2026-09-01T06:50:14.372Z|2026.09.6
Verify it yourself
npx teppi-check https://presign.hergertsynthora.com/servicecurl -s https://api.teppi.xyz/v1/trust/cap_01M2CMPDE2M4A9H0CVX9D8VV4R