Endpoint · onchainPOSTagent-sign-guard-main-production.up.railway.app/risk-check

Deterministic pre-sign risk screening for unsigned Base EVM transactions.

Deterministic pre-sign risk screening for unsigned Base EVM transactions. Detects ERC20 transfers, token approvals, unlimited approvals, setApprovalForAll, malformed calldata and OFAC SDN and configured address matches. Returns machine-readable ALLOW, REVIEW or BLOCK.

UNRATEDListedChain not offered

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xf211b7f2…00647526

URL

https://agent-sign-guard-main-production.up.railway.app/risk-check

Seen

first 9 days ago · last 4 days ago

16 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base Sepolia

Disagrees with the offer: Chain not offered

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.561 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.439: 0.237 uncertain ? + 0.202 short ? · 0.089 to C

How the composite of 0.561 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.616		0.370	0	−0.230
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	0.99	0.958		0.192	−0.002	−0.006
Composite	1.00		0.561	gap to 1.000 = 0.439 · 0.202 short · 0.237 uncertain	0.561	−0.202	−0.237

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.616   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 0.958   price stability
= 0.561           → UNRATED: 16 of 30 paid calls      weights 2026.09.6 · 16 samples · seed cap_01M3BHH6MBN0PZRBRHRJK2WZG1|2026-09-05T01:02:57.343Z|2026.09.6

Verify it yourselfnpx teppi-check https://agent-sign-guard-main-production.up.railway.app/risk-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M3BHH6MBN0PZRBRHRJK2WZG1