Koskamo

Keystash MCP

Keystash is a local secret management tool for AI agents and MCP servers that stores values in the macOS Keychain. It allows agents to manage API keys, tokens, and passwords without ever seeing the plaintext values, ensuring security by design through a lack of read tools and encrypted storage.

Package and access

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

Keystash MCP logo, by THUboranCommunity listingLocal stdioSource reviewed; not executedPublished by THUboran
You need:pip install keystash
Vendor documentation

What you can do with it

  • Manage API keys and tokens securely
  • Store secrets in macOS Keychain
  • Prevent plaintext leakage to AI agents

Source and maintenance

Community listingRegistry 0.4.2
mcp-registry: io.github.thu-lawyer/keystash@0.4.2Source repositoryProject website
Maintenance checked

Packages and installation

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

keystash 0.4.2

pypiuvx
keystash package definition
{
  "version": "0.4.2",
  "transport": "stdio",
  "identifier": "keystash",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp",
      "valueHint": "command"
    }
  ]
}

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": {
    "keystash-mcp": {
      "command": "uvx",
      "args": [
        "keystash==0.4.2",
        "mcp"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "keystash-mcp": {
      "command": "uvx",
      "args": [
        "keystash==0.4.2",
        "mcp"
      ]
    }
  }
}

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": {
    "keystash-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "keystash==0.4.2",
        "mcp"
      ]
    }
  }
}

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": {
    "keystash-mcp": {
      "command": "uvx",
      "args": [
        "keystash==0.4.2",
        "mcp"
      ]
    }
  }
}

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