Discover / readiness-linter.46-224-157-88.sslip.io

x402/MPP Buyer-Readiness Linter

■ Challenge detected

Score the buyer readiness of an x402/MPP-listed OpenAPI document and list concrete fixes for payment metadata, missing examples, and HTTP 422 traps.

MPP
Tempo
USDC

Challenge detected: 8 of the last 8 checks
Median response: 400 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 6 Oct 2026

Endpoint

curl -i https://readiness-linter.46-224-157-88.sslip.io/mpp/v1/lint
# 402 Payment Required: pay with a MPP client, then send the request again.

1 listed endpoints · on mppscan

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://readiness-linter.46-224-157-88.sslip.io/mpp/v1/lintNo price listed

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/readiness-linter.46-224-157-88.sslip.io

Recent checks

6 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 8 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	370ms
15 Oct, 11:37 UTC	Challenge detected	402	413ms
14 Oct, 00:19 UTC	Challenge detected	402	387ms
12 Oct, 00:34 UTC	Challenge detected	402	437ms
10 Oct, 10:04 UTC	Challenge detected	402	381ms
9 Oct, 03:33 UTC	Challenge detected	402	432ms
8 Oct, 00:44 UTC	Challenge detected	402	379ms
6 Oct, 21:30 UTC	Challenge detected	402	515ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What payment terms does x402/MPP Buyer-Readiness Linter advertise?

The listing advertises MPP, Tempo and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402/MPP Buyer-Readiness Linter listed?

In mppscan. Superstables first indexed it on 6 Oct 2026.

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