phantom-wallet-mcp

# Phantom Wallet MCP Use the `phantom` MCP server to interact with the user's Phantom wallet directly. ## Available Tools | Tool | Description | |------|-------------| | `get_wallet_addresses` | Get blockchain addresses (Solana, Ethereum, Bitcoin, Sui) for the connected wallet | | `sign_transaction` | Sign a transaction (base64url for Solana, RLP hex for Ethereum) | | `transfer_tokens` | Transfer SOL or SPL tokens on Solana — builds, signs, and sends the transaction | | `buy_token` | Fetch Solana swap quotes from Phantom API; optionally sign and send | | `sign_message` | Sign a UTF-8 message with automatic chain-specific routing | ## Setup The `phantom` MCP server requires a `PHANTOM_APP_ID` environment variable from [Phantom Portal](https://phantom.com/portal). On first use, it opens a browser for OAuth authentication via Google or Apple login. ## Supported Networks | Chain | Networks | |-------|----------| | Solana | mainnet, devnet, testnet | | Ethereum | Mainnet, Sepolia, Polygon, Base, Arbitrum | | Bitcoin | Mainnet | | Sui | Mainnet, Testnet | Networks use CAIP-2 format (e.g., `solana:mainnet`, `eip155:1`). ## Examples ### Get wallet addresses Ask the `phantom` MCP to retrieve the user's wallet addresses, then use them for transactions. ### Transfer SOL Use `transfer_tokens` to send SOL to a recipient address. The MCP handles transaction building, signing, and submission. ### Sign a message Use `sign_message` for wallet verification or authentication flow...