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mcp/harbor
Grok

Metaplex Agent Registry for Grok

io.github.nirholas/metaplex-agent

Deploy AI agents on-chain on Solana with an EIP-8004 identity. Deploy fee funds $THREE buybacks.

client:Grok transport:stdio runtime:npm

Install Metaplex Agent Registry in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

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

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Metaplex Agent Registry in other clients

Metaplex Agent Registry MCP server