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SanctumAI — Credential Vault for AI Agents for Grok

io.github.jwgale/sanctum

Credential vault for AI agents — encrypted storage, lease-based access, CRP support.

client:Grok transport:stdio runtime:npm

Install SanctumAI — Credential Vault for AI Agents 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": {
    "sanctum": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@sanctumai/mcp-server"
      ],
      "env": {
        "SANCTUM_VAULT_PATH": "<SANCTUM_VAULT_PATH>",
        "SANCTUM_PASSPHRASE": "<SANCTUM_PASSPHRASE>"
      }
    }
  }
}

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

SanctumAI — Credential Vault for AI Agents in other clients

SanctumAI — Credential Vault for AI Agents MCP server