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UNRENT

xyz.unrent/unrent · v1.0.0

Measured by MCP Station

Description written by the publisher, not verified

Reclaim overpaid rent from Solana token accounts (SIMD-0437). Non-custodial, no API key.

Connect

claude mcp add --transport http unrent https://unrent.xyz/mcp

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

Tools as reported by the server

• 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 Older accounts keep their higher deposit until it is withdrawn; eac
• 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 remaining rent steps, and tok
• 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 accounts listed in `burn
• submit_reclaim write/delete
  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.

Tool changes

• 2026-10-23: get_rent_status, scan_wallet, build_reclaim, submit_reclaim
• 2026-10-16: get_rent_status, scan_wallet, build_reclaim, submit_reclaim

Website · JSON · Text for agents · Registry updated 2026-10-12