Koskamo

HOL Guard MCP

Local-first security layer for AI agents that reviews actions like shell commands, file access, and MCP tool calls before they run. It detects risks such as secret exposure and prompt injection, allowing agents to allow, block, or request approval based on policy.

Package and access

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

HOL Guard MCP logo, by HOLCommunity listingLocal stdioSource reviewed; not executedPublished by HOL
Vendor documentation

What you can do with it

  • Block risky MCP tool calls at runtime
  • Detect secret exposure in agent outputs
  • Prevent prompt injection attacks
  • Manage approval workflows for destructive operations

Source and maintenance

Community listingRegistry 3.58.0
mcp-registry: io.github.hashgraph-online/hol-guard@3.58.0Source repositoryProject website
Maintenance checked

Packages and installation

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

hol-guard 3.58.0

pypiuvx
hol-guard package definition
{
  "version": "3.58.0",
  "transport": "stdio",
  "identifier": "hol-guard",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    },
    {
      "type": "positional",
      "value": "serve"
    },
    {
      "type": "positional",
      "value": "--stdio"
    }
  ]
}

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": {
    "hol-guard-mcp": {
      "command": "uvx",
      "args": [
        "hol-guard==3.58.0",
        "mcp",
        "serve",
        "--stdio"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "hol-guard-mcp": {
      "command": "uvx",
      "args": [
        "hol-guard==3.58.0",
        "mcp",
        "serve",
        "--stdio"
      ]
    }
  }
}

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": {
    "hol-guard-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "hol-guard==3.58.0",
        "mcp",
        "serve",
        "--stdio"
      ]
    }
  }
}

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": {
    "hol-guard-mcp": {
      "command": "uvx",
      "args": [
        "hol-guard==3.58.0",
        "mcp",
        "serve",
        "--stdio"
      ]
    }
  }
}

Let your agent find its tools

Find servers like HOL Guard MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 4,374