UNRENT

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "unrent": {
      "type": "http",
      "url": "https://unrent.xyz/mcp"
    }
  }
}

4 tools

• get_rent_status

  Where Solana's rent reduction (SIMD-0437) stands: the live lamports_per_byte, which of the five steps are live, when the next is expected, and whether a step is already queued on chain (it then activates at the next epoch boundary). Older accounts keep their higher deposit until…

• scan_wallet

  Reads the token accounts and mints of a Solana wallet and returns the SOL that can be reclaimed now: excess rent (WithdrawExcessLamports, accounts stay open), empty token accounts (CloseAccount) and mint excess, the UNRENT service fee, the net amount, a forecast for the…

• build_reclaim

  Re-scans the wallet on the chain and builds the reclaim as unsigned, simulated Solana transactions (base64, versioned). They withdraw excess rent, close empty accounts and pay the service fee as the last instruction; nothing else leaves the wallet. Tokens are only burned for…

• submit_reclaim

  Checks the signed transactions against the ones build_reclaim made (same instructions, same fee, signed by the wallet) and sends them to Solana. Returns the signature and status of every transaction. A claim can be submitted once; after an expired blockhash, build again.

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