Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Added "check_agent_readiness" (3 tools before, 4 now)
Check whether AI agents can use a website — Free check of whether AI agents can use a business's website: can they get in, understand it, act on it (API, MCP) and trust it. Returns a 0–100 score, a verdict, and each check with what was found and how to fix it.
Changed the definition of "check_payability"
⟨25 unchanged words⟩ score, the listed price and networks, whenitthewascatalog last saw it active,(forhowpaidmanylistings,of the lastsettled30 days its payment address was paid, on-chain USDC payments and distinct paying wallets on Base over 30 days (with a one-wallet wash warning), a live check that it really answers 402 and asks to be paid at its listed address (x402 version, CAIP-2 networks), and flags for catalog-flooding or outlier pricing. ⟨44 unchanged words⟩
Added "check_payability" (2 tools before, 3 now)
Check if an endpoint is payable before you pay it — Free. Check whether an x402 endpoint or MCP tool is real, payable and active BEFORE you pay it. Pass a URL; get a 0–100 payability score, the listed price and networks, when it was last active (for paid listings, the last settled payment), and flags for catalog-flooding or outlier pricing. Scored from the public PayAI x402 Bazaar + MCP Registry index — listings are third-party data, not endorsed. Returns a 0–100 score, a verdict (payable / mixed / unverified), the listed price, networks and last-active date, plain-language signals, and provider flooding / price-outlier warnings.
Certificate recorded, valid to 2026-12-15
Authorization not required
Unknown → Live
First tool surface recorded: 2 tools (server version 1.0.0)
https://subpay.ai/find/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 8 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed