mev-sandwich-upper

Upper-bound CPMM price impact loss for size vs reserves.

Upper-bound CPMM price impact loss for size vs reserves. Call when pre-trade MEV/slippage stress without mempool access. Returns impact_fraction and loss_notional as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x9f8bd987…175e73a2

URL

https://api.delx.ai/api/v1/x402/mev-sandwich-upper

MCP server on this host: io.github.davidmosiah/delx-mcp-a2a

Seen

first 34 days ago · last 24 days ago

33 free handshakes

Payment

Pays through

x402 · MPP tempo

Offered on?

Base USDC, Solana, Tempo USDC.e

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.1

UN
RATED

0.758 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 0.242: 0.127 uncertain ? + 0.115 short ? · 0.042 to B

How the composite of 0.758 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.43	0.351		0.070	−0.115	−0.015
liveness it answered at all	0.60	1.00	0.814		0.488	0	−0.112
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.758	gap to 1.000 = 0.242 · 0.115 short · 0.127 uncertain	0.758	−0.115	−0.127

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

The multiplication, written out

  0.200 × 0.351   latency p95    
+ 0.600 × 0.814   liveness       
+ 0.200 × 1.000   price stability
= 0.758           → UNRATED: 33 of 30 paid calls      weights 2026.09.1 · 33 samples · seed cap_01M1A5A7F9775M20S3A0VWC28G|2026-08-17T17:40:37.634Z|2026.09.1

Verify it yourselfnpx teppi-check https://api.delx.ai/api/v1/x402/mev-sandwich-uppercurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A7F9775M20S3A0VWC28G