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personal-vault-mcp

v0.1.0

Published

MCP server for Personal Vault — exposes encrypted personal context to AI agents

Vulnerabilities

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  • 0Low

Links

Git

Maintainers

lovincyruslovincyrus

Keywords

mcpmodel-context-protocolpersonal-vaultvault

Readme

Vault MCP Server

MCP server that exposes your encrypted personal vault to AI agents.

Install

npm install personal-vault-mcp

Or run directly with npx:

npx -y personal-vault-mcp@latest

Register with Claude Code

claude mcp add vault -- npx -y personal-vault-mcp@latest

Tools

| Tool | Description | |------|-------------| | vault_status | Check if the vault is running and unlocked | | vault_get | Get a single decrypted field by ID | | vault_list | List all field metadata (no values) | | vault_context | Get all decrypted fields grouped by category | | vault_set | Set an encrypted field value in the vault |

Authentication

The MCP server authenticates with the vault automatically:

  1. VAULT_TOKEN env var — use with service tokens for always-on agents
  2. ~/.pvault/.session — session token from pvault unlock

Token is resolved on each request, so the server survives vault lock/unlock cycles.

Environment Variables

| Variable | Default | Description | |----------|---------|-------------| | VAULT_ADDR | http://127.0.0.1:7200 | Vault server address | | VAULT_DIR | ~/.pvault | Vault directory (for session file) | | VAULT_TOKEN | — | Service token (overrides session file) |

Error Messages

| Error | Meaning | |-------|---------| | vault: server not running | Run pvault unlock to start the server | | vault: session expired | Run pvault unlock to refresh the session | | vault: vault is locked | Run pvault unlock to decrypt | | vault: not found | Field ID doesn't exist | | vault: not configured | No token available — run pvault unlock or set VAULT_TOKEN |

Demo

See examples/shopping-demo for a demo using Vault MCP + a mock shop.