Koskamo

rust-junosmcp MCP server

A community-driven Model Context Protocol server for Juniper Junos and SRX devices, written in Rust. It provides core Junos tools and SRX security workflows, supporting per-token device and tool scopes, audit logging, and change control for configuration writes. It runs on Linux in Docker or LXC and requires a devices.json inventory with SSH keys or passwords.

Package and access

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

rust-junosmcp logo, by mechubsecCommunity listingLocal stdioSource reviewed; not executedPublished by mechubsec
You need:An SSH private key whose public half is installed for a NETCONF user on each deviceHost-key checking is strictMode 0600 on devices.json , the key and tokens.json ; the server refuses to start otherwise
Vendor documentation

What you can do with it

  • Execute core Junos network management tools
  • Perform SRX security workflow operations
  • Audit configuration changes with logging
  • Manage scoped access via bearer tokens

Source and maintenance

Community listingRegistry 2.6.1
mcp-registry: io.github.mechubsec/rustjunosmcp@2.6.1Source repositoryProject website
Maintenance checked

Packages and installation

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

ghcr.io/mechubsec/rustjunosmcp:2.6.1

ocidocker
ghcr.io/mechubsec/rustjunosmcp:2.6.1 package definition
{
  "transport": "stdio",
  "identifier": "ghcr.io/mechubsec/rustjunosmcp:2.6.1",
  "runtimeHint": "docker",
  "registryType": "oci",
  "packageArguments": [
    {
      "name": "--transport",
      "type": "named",
      "value": "stdio",
      "isRequired": true
    }
  ],
  "runtimeArguments": [
    {
      "type": "positional",
      "value": "--rm",
      "isRequired": true
    },
    {
      "type": "positional",
      "value": "-i",
      "isRequired": true
    },
    {
      "name": "-v",
      "type": "named",
      "value": "{devices_file}:/etc/jmcp/devices.json:ro",
      "variables": {
        "devices_file": {
          "format": "filepath",
          "isRequired": true,
          "description": "Absolute host path to devices.json (Juniper/junos-mcp-server inventory format)"
        }
      },
      "isRequired": true
    },
    {
      "name": "-v",
      "type": "named",
      "value": "{keys_dir}:/etc/jmcp/keys:ro",
      "variables": {
        "keys_dir": {
          "format": "filepath",
          "isRequired": true,
          "description": "Absolute host directory holding SSH private keys referenced by devices.json"
        }
      },
      "isRequired": true
    },
    {
      "name": "-v",
      "type": "named",
      "value": "{state_dir}:/var/lib/jmcp",
      "variables": {
        "state_dir": {
          "format": "filepath",
          "isRequired": true,
          "description": "Absolute host directory for persistent state (known_hosts, leases, staging); must be owned by UID 65532"
        }
      },
      "isRequired": true
    }
  ]
}

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": {
    "rust-junosmcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/mechubsec/rustjunosmcp:2.6.1",
        "--transport=stdio"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "rust-junosmcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/mechubsec/rustjunosmcp:2.6.1",
        "--transport=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": {
    "rust-junosmcp": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/mechubsec/rustjunosmcp:2.6.1",
        "--transport=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": {
    "rust-junosmcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/mechubsec/rustjunosmcp:2.6.1",
        "--transport=stdio"
      ]
    }
  }
}

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