list_theme_files

List YAML files under themes/. Useful when a theme exists on disk but isn't loaded yet.

SERVERHa Nexus Agent SOURCEfistacho/ha-nexus-agent

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fistacho-ha-nexus-agent/list-theme-files.md

WHAT IT DOES

What list_theme_files does on Ha Nexus Agent

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

RISK

Why list_theme_files is rated Low

This tool retrieves and queries the filesystem to enumerate theme configuration files. It performs no modifications, deletions, or execution of code. The action is purely informational—listing existing files without changing their state, loading them, or triggering other operations. This is a classic Read operation with minimal blast radius if misused by an AI agent.

From the tool's definition Tool name is 'list_theme_files' and description states 'List YAML files under `themes/`. Useful when a theme exists on disk but isn't loaded yet.' This is a file listing operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_theme_files safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ha Nexus Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_theme_files, this is the rule to start with:

list_theme_files Allowed

list_theme_files is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_theme_files": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ha Nexus Agent, apply this rule, and every list_theme_files call is checked against it from then on.

FAQ

Questions about list_theme_files

What does the list_theme_files tool do? +

List YAML files under themes/. Useful when a theme exists on disk but isn't loaded yet. It is categorised as a Read tool in the Ha Nexus Agent MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_theme_files? +

Register the Ha Nexus Agent MCP server in PolicyLayer and add a rule for list_theme_files: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ha Nexus Agent. Nothing to install.

What risk level is list_theme_files? +

list_theme_files is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_theme_files? +

Yes. Add a rate_limit block to the list_theme_files rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block list_theme_files completely? +

Set action: deny in the PolicyLayer policy for list_theme_files. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides list_theme_files? +

list_theme_files is provided by the Ha Nexus Agent MCP server (fistacho/ha-nexus-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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