Yault AESP MCP Server

by ya-xyzxyz.yault/aespv0.2.0

Crypto payments for the agent economy — policy-gated vault operations under human control

0Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Slowing6mo ago

Install Yault AESP MCP server

claude mcp add aesp -e YAULT_API_KEY='<yault-api-key>' -- npx -y @yault/aesp

{
  "mcpServers": {
    "aesp": {
      "command": "npx",
      "args": [
        "-y",
        "@yault/aesp"
      ],
      "env": {
        "YAULT_API_KEY": "<yault-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "aesp": {
      "command": "npx",
      "args": [
        "-y",
        "@yault/aesp"
      ],
      "env": {
        "YAULT_API_KEY": "<yault-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "aesp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@yault/aesp"
      ],
      "env": {
        "YAULT_API_KEY": "<yault-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "aesp": {
      "command": "npx",
      "args": [
        "-y",
        "@yault/aesp"
      ],
      "env": {
        "YAULT_API_KEY": "<yault-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
YAULT_API_KEY	yes	yes	Your Yault API key (obtain from https://yault.xyz). Format: sk-yault-*
YAULT_API_URL	—	—	Yault backend base URL

Freshness

Slowing — last maintenance signal 6mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-04-15 · 6mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-03-13 · 7mo ago · official registry · v0.2.0

FAQ

›How do I install the Yault AESP MCP server in Claude Code?

Run: claude mcp add aesp -e YAULT_API_KEY='<yault-api-key>' -- npx -y @yault/aesp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Yault AESP require an API key?

Yes. It expects YAULT_API_KEY, of which 1 is a secret.

›Can I use Yault AESP as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Yault AESP in the official MCP registry?

Yes, as xyz.yault/aesp.