Discover / mcp.barker.money

Barker

■ Challenge detected

Query real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols. Returns ranked rows with protocol_name, chain_name, asset_symbol, supply_apy_total (decimal — multiply by 100 for %), and supply_tvl (USD). Use for questions like 'best stablecoin yield', 'where to earn on USDC', 'compare lending rates', '稳定币利率'.

Listed price
$0.001
Challenge detected
10 of the last 10 checks
Median response
1056 ms
Last checked
17 Oct, 08:59 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://mcp.barker.money/barker_defi_vaults
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
3 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.barker.money

  • GET/barker_defi_vaultsNo price listedQuery real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols. Returns ranked rows with protocol_name, chain_name, asset_symbol, supply_apy_total (decimal — multiply by 100 for %), and supply_tvl (USD). Use for questions like 'best stablecoin yield', 'where to earn on USDC', 'compare lending rates', '稳定币利率'.
  • GET/barker_market_overviewNo price listedBarker's stablecoin market snapshot: total market cap, yield-bearing cap, asset distribution, chain distribution. Use for 'stablecoin market cap', 'USDT market share', '稳定币市场份额'. share_pct fields are decimals (0.425 = 42.5%).
  • GET/barker_market_trendNo price listedBarker's historical APY trend for stablecoins vs. US Treasury benchmark over a lookback window (7–180 days). Use for 'DeFi vs treasury', 'is stablecoin APY going up', 'crypto yield trend', '稳定币利率走势'.

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

Showing 3 of 3 listed endpoints.

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

Recent checks

27 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)ResultHTTPResponse
17 Oct, 08:59 UTCChallenge detected402710ms
16 Oct, 04:38 UTCChallenge detected402999ms
14 Oct, 19:26 UTCChallenge detected4021099ms
12 Oct, 22:31 UTCChallenge detected4021041ms
11 Oct, 00:15 UTCChallenge detected4021019ms
9 Oct, 18:38 UTCChallenge detected4021097ms
8 Oct, 15:35 UTCChallenge detected4022313ms
7 Oct, 09:33 UTCChallenge detected402943ms
6 Oct, 09:33 UTCChallenge detected4021134ms
27 Sept, 17:02 UTCChallenge detected4021071ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 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 Barker?

Its listed price is $0.001.

What payment terms does Barker advertise?

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

Where is Barker listed?

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

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