Endpoint · market dataPOSTagent402.tools /api/skill/cheapest-rail
Where should an agent transact this minute?
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Where should an agent transact this minute? Live gas on Ethereum + every major L2 side by side, Base gas tiers, a fee estimate for your transaction type, and ETH spot to price it all in dollars. Cheapest rail right now skill pack: one x402 payment runs 4 underlying tools (l2-gas-comparison, gas-snapshot, gas-estimate, crypto-price); partial-success per step.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.009 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://agent402.tools/api/skill/cheapest-rail
MCP server on this host: io.github.MikeyPetrillo/agent402
Seen
first 29 days ago · last 16 hr ago
54 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.782 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.218: 0.097 uncertain ? + 0.121 short ? · 0.018 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.42 | 0.368 | 0.074 | −0.116 | −0.011 | |
| liveness it answered at all |
0.60 | 0.99 | 0.847 | 0.508 | −0.006 | −0.086 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.782 | gap to 1.000 = 0.218 · 0.121 short · 0.097 uncertain | 0.782 | −0.121 | −0.097 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.368 latency p95
+ 0.600 × 0.847 liveness
+ 0.200 × 1.000 price stability
= 0.782 → UNRATED: 54 of 30 paid calls weights 2026.09.6 · 54 samples · seed cap_01M1RD9FKEDZBMERE952Z5W4DC|2026-09-04T19:47:15.096Z|2026.09.6
Verify it yourself
npx teppi-check https://agent402.tools/api/skill/cheapest-railcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9FKEDZBMERE952Z5W4DC