Advertised versus realized yield for stablecoin vaults, signed hourly, reproducible from chain.
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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4
Tools
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| get_signed_reserves | The latest signed proof of reserves for kUSD, the Kerne stablecoin on Base: outstanding kUSD, the USDC held in each PSM contract, the solvency ratio, skUSD share price and the hedge account, all read on chain at one pinned block and signed every 15 minutes by a dedicated key that holds no funds. The hash and the signer are checked here before the result is returned, and the result says whether they checked. Set include_signed_bytes to true to get the exact signed string so you can check it yourself. | Read-only |
| get_stock_quote | The latest signed REFERENCE quote for a one week covered call on TSLAc (Coinbase tokenized Tesla stock on Base): spot from the Chainlink feed, realized volatility, strike near 20 delta, premium in basis points, expiry, and how long the quote is valid. A pricing agent signs a new one every 15 minutes. It is a reference price only: not an offer, not advice, not for US persons, and nothing executes from it. The result says whether the signatures checked and whether the quote has expired. | Read-only |
| get_vault_state | The current on-chain state of the Kerne covered call vault for TSLAc on Base, read live in one call pinned to one block: epoch number, whether an epoch is live, whether sales are paused, deposit cap, total assets, the limits the vault enforces on any call it writes, the keeper, and the latest price round on its feed. It also lists what currently stops an epoch from opening. The vault is unaudited and its deposit cap is set by its owner; read deposits_open before assuming anyone can deposit. | Read-only |
| verify_stock_quote | Checks a Kerne stock quote: that the hash matches the signed string, that both signatures (EIP-191 over the document, EIP-712 over the on-chain Quote struct) recover to the published quote signer, whether the quote has expired, and whether the price round it is bound to is still the latest round on the feed. Call it with no arguments to check the latest quote, or pass the three fields of a quote you were given by someone else. It checks who signed and whether the quote is still current. It does not judge whether the price is a good one. | Read-only |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | Kerne | - | 2 Oct 2026 |