# show_session_variables

A read tool on the Mcp Windows MCP server.

Agent View of the PolicyLayer registry record for `show_session_variables`. HTML page: https://policylayer.com/tools/mukul975-mcp-windows-automation/show-session-variables

## Facts

- Tool: `show_session_variables`
- Server: Mcp Windows (`mukul975/mcp-windows-automation`) — https://policylayer.com/tools/mukul975-mcp-windows-automation.md
- Homepage: https://github.com/mukul975/mcp-windows-automation
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "show_session_variables",
    "arguments": {}
  }
}
```

## Why show_session_variables is rated Low

This tool retrieves and displays session variables for inspection only. There are no side effects, no data modifications, no code execution, and no irreversible actions. It is purely informational, matching the Read category definition of retrieving or querying data without side effects.

From the tool's own definition: "Tool name 'show_session_variables' and description 'Show session variables' indicate a retrieval operation that displays existing session state without modification, deletion, or execution of external operations."

## Use case

AI agents call show_session_variables to retrieve information from Mcp Windows without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp Windows:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "show_session_variables": {}
  }
}
```

## Other tools on Mcp Windows (440)

- `clean_empty_directories` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/clean-empty-directories.md
- `clean_temp_files` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/clean-temp-files.md
- `drop_event` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/drop-event.md
- `drop_partition` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/drop-partition.md
- `drop_role` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/drop-role.md
- `drop_stored_function` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/drop-stored-function.md
- `drop_stored_procedure` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/drop-stored-procedure.md
- `event_log_clear` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/event-log-clear.md
- `mysql_alter_table_drop_column` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-alter-table-drop-column.md
- `mysql_delete_data` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-delete-data.md
- `mysql_drop_database` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-database.md
- `mysql_drop_foreign_key` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-foreign-key.md
- `mysql_drop_index` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-index.md
- `mysql_drop_primary_key` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-primary-key.md
- `mysql_drop_table` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-table.md
- `mysql_drop_user` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-user.md
- `mysql_drop_view` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-drop-view.md
- `mysql_kill_process` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-kill-process.md
- `mysql_reset_query_cache` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-reset-query-cache.md
- `mysql_revoke_privileges` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-revoke-privileges.md
- `mysql_truncate_table` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/mysql-truncate-table.md
- `revoke_role_from_user` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/revoke-role-from-user.md
- `spotify_delete_downloaded_content` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/spotify-delete-downloaded-content.md
- `spotify_remove_track_from_library` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/spotify-remove-track-from-library.md
- `sync_directories` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/sync-directories.md
- `wifi_delete_profile` — Destructive — https://policylayer.com/tools/mukul975-mcp-windows-automation/wifi-delete-profile.md
- `advanced_network_diagnostics` — Execute — https://policylayer.com/tools/mukul975-mcp-windows-automation/advanced-network-diagnostics.md
- `advanced_process_manager` — Execute — https://policylayer.com/tools/mukul975-mcp-windows-automation/advanced-process-manager.md
- `auto_optimize_system` — Execute — https://policylayer.com/tools/mukul975-mcp-windows-automation/auto-optimize-system.md
- `automate_calculator` — Execute — https://policylayer.com/tools/mukul975-mcp-windows-automation/automate-calculator.md
- …and 410 more: https://policylayer.com/tools/mukul975-mcp-windows-automation.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=mukul975-mcp-windows-automation · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/mukul975-mcp-windows-automation