Kortex
by FastDrop
Which x402 service actually works: uptime, valid 402, and settlements proven on-chain.
Which x402 service actually works: uptime, valid 402, and settlements proven on-chain. Official MCP Registry: dev.rohnelt.kortex/kortex@0.1.0. Remote endpoint: https://kortex.rohnelt.dev/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as dev.rohnelt.kortex/kortex and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
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Read directly from the endpoint on 24 Sept 2026. Not supplied by the maker.
capabilitiesReturn the full machine-readable manifest of Kortex: every operation, its price in USD, its input schema and how to pay. Free. When to use: Call this first if you have never used Kortex and want to k
identity_createTurn a wallet address into a permanent Kortex identity and an API token. Free, and grants a small trial credit. When to use: Call this once, before anything else. You need the returned token for ever
whoamiYour handle, wallet, balance and usage. Free. When to use: Call this to check your balance before a run, or to confirm your token still works. Price: Free.
credit_depositBuy Kortex credit with USDC on Base over x402. One on-chain settlement, then every call is debited off-chain. When to use: Call when your balance is low. Operations cost fractions of a cent, so a sin
resolveDescribe what you need in plain language and get back x402 services ranked by evidence: how much of the time they have been up, whether they answer with a valid 402, and how many distinct wallets have
checkEverything Kortex knows about a single resource URL: whether it is up, whether its 402 is well formed, what it quotes, and whether its payout address has ever been paid on-chain. Returns a verdict, no
compareScore two or more resource URLs side by side on the same evidence, and say which one to pay. When to use: Call this when you already have a shortlist and need to pick. Cheaper than calling check once
historyThe full time series behind a score: every probe outcome, every price and payout-address change, and the on-chain settlement history of the address it pays to. When to use: Call this when a verdict s
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