A Model Context Protocol (MCP) server that enables AI applications to interact with the COTI blockchain, specializing in private token operations using COTI's Multi-Party Computation (MPC) technology.

Complete Account Management

• Create, import, and export COTI accounts
• Switch between networks (testnet/devnet/mainnet)
• Generate AES keys and manage account credentials
• Sign messages and verify signatures
• Multi-account support with seamless switching

Private ERC20 Token Operations

• Deploy new private ERC20 contracts
• Comprehensive token information and allowance management
• Secure minting, transfer, and approval operations
• Balance, decimals, and supply tracking

Private ERC721 NFT Operations

• Deploy new private NFT collections
• Complete approval and ownership management
• Safe minting and transfer operations
• Token URI, balance, and collection supply tracking

Transaction Management

• Call arbitrary smart contract functions
• Monitor transaction status and retrieve logs
• Decode event data from transaction logs
• Full transaction lifecycle management

Privacy & Encryption

• Value encryption and decryption using COTI AES keys
• Full privacy support through MPC technology
• Secure transaction processing and message signing

Account Management (12 tools)

• change_default_account - Switch between configured accounts
• create_account - Create new COTI account
• decrypt_value - Decrypt values with COTI AES key
• encrypt_value - Encrypt values with COTI AES key
• export_accounts - Export account configurations
• generate_aes_key - Generate new AES encryption key
• get_current_network - Get currently configured network
• import_accounts - Import account configurations
• list_accounts - List all configured accounts
• sign_message - Sign messages with account private key
• switch_network - Switch between COTI networks
• verify_signature - Verify message signatures

Private ERC20 Operations (8 tools)

• approve_erc20_spender - Approve spender for ERC20 tokens
• deploy_private_erc20_contract - Deploy new private ERC20 contract
• get_private_erc20_allowance - Get ERC20 token allowance
• get_private_erc20_balance - Get private token balance
• get_private_erc20_decimals - Get token decimals
• get_private_erc20_total_supply - Get token total supply
• mint_private_erc20_token - Mint private ERC20 tokens
• transfer_private_erc20 - Transfer private ERC20 tokens

Private ERC721 Operations (11 tools)

• approve_private_erc721 - Approve spender for specific NFT
• deploy_private_erc721_contract - Deploy new private NFT contract
• get_private_erc721_approved - Get approved spender for NFT
• get_private_erc721_balance - Get NFT balance for account
• get_private_erc721_is_approved_for_all - Check operator approval status
• get_private_erc721_token_owner - Get NFT token owner
• get_private_erc721_token_uri - Get NFT token URI
• get_private_erc721_total_supply - Get NFT collection total supply
• mint_private_erc721_token - Mint new private NFT
• set_private_erc721_approval_for_all - Set operator approval for all NFTs
• transfer_private_erc721 - Transfer private NFTs

Transaction Management (4 tools)

• call_contract_function - Call smart contract functions
• decode_event_data - Decode transaction event data
• get_transaction_logs - Get transaction event logs
• get_transaction_status - Get transaction status and details

Native Token Operations (2 tools)

• get_native_balance - Get native COTI token balance
• transfer_native - Transfer native COTI tokens

• Node.js v18 or higher
• COTI AES Key for API authentication
• COTI Private Key for signing transactions
• COTI Public Key corresponding to the private key

git clone https://github.com/davibauer/coti-mcp.git
cd coti-mcp
npm install
npm run build

Smithery

npx -y @smithery/cli install @davibauer/coti-mcp --client claude

Local Configuration

Add to your Claude desktop configuration:

{
  "mcpServers": {
    "coti-mcp": {
      "command": "node",
      "args": ["path/to/build/index.js"],
      "env": {
        "COTI_MCP_AES_KEY": "your_aes_key_here",
        "COTI_MCP_PUBLIC_KEY": "your_public_key_here",
        "COTI_MCP_PRIVATE_KEY": "your_private_key_here",
        "COTI_MCP_CURRENT_PUBLIC_KEY": "current_account_public_key"
      }
    }
  }
}

Multi-Account Support

Configure multiple accounts using comma-separated values:

"env": {
  "COTI_MCP_AES_KEY": "key1,key2,key3",
  "COTI_MCP_PUBLIC_KEY": "pub1,pub2,pub3",
  "COTI_MCP_PRIVATE_KEY": "priv1,priv2,priv3",
  "COTI_MCP_CURRENT_PUBLIC_KEY": "pub1"
}

• COTI Documentation
• Smithery Server Page

MIT License - see LICENSE file for details.