Erseni Vault MCP

An official MCP server by Erseni that enables AI agents to securely request and send secrets without exposing them in chat logs. It provides tools to write secrets to files, run commands with secrets, and generate one-time links for sending passwords, ensuring end-to-end encryption and command binding to prevent leakage.

Visit Erseni Ltd.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Vendor evidenceLocal stdioSource reviewed; not executedOperated by Erseni Ltd.

You need:Free mit API-Key: 50 Anfragen pro Tag, ohne Proof of Work.export VAULT_ASK_API_KEY=vak_... API-Key anlegen

Vendor documentation

What you can do with it

Write a secret value to a file securely
Run a command with a secret injected
Generate a one-time link to send a password

Source and maintenance

Vendor evidenceRegistry 0.2.1

mcp-registry: com.erseni/vault-ask@0.2.1 Source repository Project website

Maintenance checked: Nov 1, 2026, 4:44 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@erseni/vault-ask 0.2.1

npmnpx

@erseni/vault-ask package definition

{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "@erseni/vault-ask",
  "runtimeHint": "npx",
  "registryType": "npm",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    }
  ],
  "environmentVariables": [
    {
      "name": "VAULT_ASK_API_KEY",
      "description": "API key from your Erseni Vault account. Without it, each request solves a proof of work."
    },
    {
      "name": "VAULT_ASK_SERVER",
      "default": "https://vault.erseni.com",
      "description": "Vault server URL"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "erseni-vault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@erseni/vault-ask@0.2.1",
        "mcp"
      ],
      "env": {
        "VAULT_ASK_API_KEY": "<YOUR_VAULT_ASK_API_KEY>",
        "VAULT_ASK_SERVER": "<YOUR_VAULT_ASK_SERVER>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "erseni-vault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@erseni/vault-ask@0.2.1",
        "mcp"
      ],
      "env": {
        "VAULT_ASK_API_KEY": "<YOUR_VAULT_ASK_API_KEY>",
        "VAULT_ASK_SERVER": "<YOUR_VAULT_ASK_SERVER>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "erseni-vault-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@erseni/vault-ask@0.2.1",
        "mcp"
      ],
      "env": {
        "VAULT_ASK_API_KEY": "<YOUR_VAULT_ASK_API_KEY>",
        "VAULT_ASK_SERVER": "<YOUR_VAULT_ASK_SERVER>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "erseni-vault-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@erseni/vault-ask@0.2.1",
        "mcp"
      ],
      "env": {
        "VAULT_ASK_API_KEY": "<YOUR_VAULT_ASK_API_KEY>",
        "VAULT_ASK_SERVER": "<YOUR_VAULT_ASK_SERVER>"
      }
    }
  }
}

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