Discover / mcp.blocksize.info

mcp.blocksize.info

■ Challenge detected

Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.

x402
Base
Solana
USDC

Listed price: $0.002
Challenge detected: 10 of the last 10 checks
Median response: 367 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://mcp.blocksize.info/v1/bidask/BTC-USD
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 listed endpoints · on x402 Bazaar

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

Base URLhttps://mcp.blocksize.info/v1

GET/fx/EURUSD$0.005Real-time FX market data from Blocksize Capital.
GET/metal/XAUUSD$0.005Real-time precious metals market data from Blocksize Capital.
GET/vwap/BTC-USD$0.002Real-time crypto VWAP market data from Blocksize Capital.
GET/bidask/BTC-USD$0.002Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.

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

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mcp.blocksize.info

Recent checks

28 Sept 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.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	172ms
16 Oct, 11:31 UTC	Challenge detected	402	179ms
14 Oct, 23:56 UTC	Challenge detected	402	288ms
13 Oct, 10:39 UTC	Challenge detected	402	373ms
11 Oct, 10:02 UTC	Challenge detected	402	366ms
10 Oct, 00:46 UTC	Challenge detected	402	368ms
8 Oct, 21:32 UTC	Challenge detected	402	483ms
7 Oct, 15:42 UTC	Challenge detected	402	408ms
6 Oct, 15:31 UTC	Challenge detected	402	186ms
28 Sept, 05:02 UTC	Challenge detected	402	389ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 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 price is recorded for mcp.blocksize.info?

Its listed price is $0.002.

What payment terms does mcp.blocksize.info advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is mcp.blocksize.info listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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