Metaplex Agent Registry

Metaplex Agent Registry is a local MCP server: Deploy AI agents on-chain on Solana with an EIP-8004 identity. Deploy fee funds $THREE buybacks. Install it from npm as @three-ws/metaplex-agent-mcp.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add metaplex-agent -e SOLANA_SECRET_KEY=... -e SOLANA_RPC_URL=... -e METAPLEX_AGENT_NETWORK=... -e REQUIRE_CONFIRM=... -e DEPLOY_FEE_SOL=... -e DEPLOY_FEE_WALLET=... -e DEPLOY_FEE_ENABLED=... -e THREE_HALF_PRICE_AT=... -e THREE_FREE_AT=... -- npx -y @three-ws/metaplex-agent-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "metaplex-agent": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/metaplex-agent-mcp"
      ],
      "env": {
        "SOLANA_SECRET_KEY": "...",
        "SOLANA_RPC_URL": "...",
        "METAPLEX_AGENT_NETWORK": "...",
        "REQUIRE_CONFIRM": "...",
        "DEPLOY_FEE_SOL": "...",
        "DEPLOY_FEE_WALLET": "...",
        "DEPLOY_FEE_ENABLED": "...",
        "THREE_HALF_PRICE_AT": "...",
        "THREE_FREE_AT": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: SOLANA_SECRET_KEY, SOLANA_RPC_URL, METAPLEX_AGENT_NETWORK, REQUIRE_CONFIRM, DEPLOY_FEE_SOL, DEPLOY_FEE_WALLET, DEPLOY_FEE_ENABLED, THREE_HALF_PRICE_AT, THREE_FREE_AT