mime-from-ext

Guess MIME type from file extension.

Guess MIME type from file extension. Call when you set Content-Type hints for agent uploads. Returns mime, ext, known for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.

UNRATEDListed

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/mime-from-ext

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

Seen

first 35 days ago · last 16 hr ago

53 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 2026.09.6

UN
RATED

0.803 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 0.197: 0.148 uncertain ? + 0.049 short ? · 0.097 to A

How the composite of 0.803 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	0.76	0.427		0.085	−0.049	−0.066
liveness it answered at all	0.60	1.00	0.863		0.518	0	−0.082
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.803	gap to 1.000 = 0.197 · 0.049 short · 0.148 uncertain	0.803	−0.049	−0.148

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

The multiplication, written out

  0.200 × 0.427   latency p95    
+ 0.600 × 0.863   liveness       
+ 0.200 × 1.000   price stability
= 0.803           → UNRATED: 45 of 30 paid calls      weights 2026.09.6 · 45 samples · seed cap_01M1A5A6HS011SPNA2HHFV7ZSX|2026-09-04T00:21:52.302Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.delx.ai/api/v1/x402/mime-from-extcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A6HS011SPNA2HHFV7ZSX