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mcp/harbor
Grok

Psephex for Grok

io.github.unitynodes/psephex

A judge for deals between AI agents on NEAR: open cases, check x402 payments, verify verdicts

client:Grok transport:stdio runtime:npm

Install Psephex 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": {
    "psephex": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@unitynodes/psephex-mcp"
      ],
      "env": {
        "NEAR_ACCOUNT_ID": "<NEAR_ACCOUNT_ID>",
        "NEAR_PRIVATE_KEY": "<NEAR_PRIVATE_KEY>",
        "PSEPHEX_MAX_STAKE_NEAR": "<PSEPHEX_MAX_STAKE_NEAR>",
        "PSEPHEX_BUDGET_NEAR": "<PSEPHEX_BUDGET_NEAR>",
        "PSEPHEX_ALLOWED_COUNTERPARTIES": "<PSEPHEX_ALLOWED_COUNTERPARTIES>"
      }
    }
  }
}

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

Psephex in other clients

Psephex MCP server