io.github.Auricah1/reusefulshop

Live second-hand price estimates with confidence for AI agents. Cached lookups free.

Paid verification

No sponsored paid call yet.

Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.

Quality grade

How grading works

B+ 65.8 / 100

Availability 20.0 / 20

Endpoint responded (HTTP 200)

Payability 14.0 / 15

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✗ Price declared

Demand 9.8 / 35

5 distinct payers, 18 USDC transfers in the last 30 days

Performance 10.0 / 10

Last probe answered in 103 ms (full marks at 200 ms or less)

Readiness 12.0 / 15

Agent readiness 80/100

Owner verified 0.0 / 5

Nobody has claimed this listing yet

Endpoint last checked 19 h ago. On-chain activity last read 3 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass. This grade sets search order and leaderboards; the readiness score below is shown for reference only.

x402 readiness

B · 80/100

Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B+, 65.8/100), which weighs availability, payability and on-chain demand. How the two differ

Valid payment requirements	9/10	Findings: missing: price declared. missing: price declared
Live 402 challenge	20/25	Endpoint reachable; its 402 challenge was seen earlier (103 ms).
x402 version	n/a	x402 version not observed yet.
Signed descriptor	n/a	No x402 standard defines a signed descriptor.
Uptime (30 days)	15/15	32/32 probes succeeded over 30 days (100%).
Resource declaration	10/10	Declares 12 paid resource(s).
Verified identity	5/10	Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
Freshness + modern flags	1/5	not seen in a source for over 30 days; declares x402.
Security declaration	n/a	Payment is the access control for an x402 resource.

Applicable criteria total 75 points, scaled to 100.

Responsiveness: Responsive (103 ms; bands ≤2.5 s, ≤5 s, ≤8 s, slower; penalty only).

Payment evidence: x402_challenge — We sent a request and got a live HTTP 402 challenge. Also: x402_manifest. Qualifies the payment claim; adds no points.

Measured 2026-11-11.

Nine criteria, the same as the A2A readiness score, read from our daily probe of the paid endpoint, its payment requirements and 30-day probe history. Signed descriptor and security declaration are n/a for x402 (payment is the access control), as is an x402 version we have not observed; the remaining points are scaled to 100. Grades: A>=90, B>=75, C>=60, D>=40, F<40. It also feeds 15 points of the x402 quality grade.

Compared with peers

Against 10,082 reachable x402 APIs in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.

Readiness: Higher than 55% of peers; This listing 80 · peer median 78
Latency: Faster than 86% of peers; This listing 103 ms · peer median 205 ms

Where it loses the most points, and how to win them back

Live 402 challenge −5 — Answer the paid path with a valid 402 challenge.
Now: Endpoint reachable; its 402 challenge was seen earlier (103 ms).
Verified identity −5 — Claim the listing and prove control of its domain.
Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
Freshness + modern flags −4 — Keep the listing current in the registry or source it comes from.
Now: not seen in a source for over 30 days; declares x402.

How many agent tools actually work · All statistics

Paid endpoints

12 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.

GET https://reusefulshop.com/api/worth

Price estimate: low, typical, high

GET https://reusefulshop.com/api/deal

Is this asking price a good deal?

GET https://reusefulshop.com/api/history

Price history and trend

GET https://reusefulshop.com/api/sold

Real sold prices from our own eBay shop

POST https://reusefulshop.com/api/batch

Up to 10 items per call — JSON body {"items": ["..."]}, one result or error per item

GET https://reusefulshop.com/api/trends

Category price trends: weekly average asking prices over 90 days

GET https://reusefulshop.com/api/top

Highest-priced tracked items in a category

GET https://reusefulshop.com/api/profit

Resale profit estimate: fees, postage, margin and break-even for a buy price

GET https://reusefulshop.com/health

Service status and integrations

GET https://reusefulshop.com/search

Human-readable value page

GET https://reusefulshop.com/sold

Recently sold prices from the operator shop

GET https://reusefulshop.com/value/vinyl

Vinyl value guide with live prices

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -sS -i -X GET https://reusefulshop.com/mcp  # expect HTTP 402 Payment Required (about $0.01/call)

MCP endpoint

https://reusefulshop.com/mcp

/.well-known/x402.json

https://reusefulshop.com/.well-known/x402

Listed in

Directories this entry was found in.

mcp since 2026-09-27