list_available_components

List all component types available in s&box (built-in and custom). Search by name or filter by category

SERVERSbox SOURCEsbox-mcp-server

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/sbox/list-available-components.md

WHAT IT DOES

What list_available_components does on Sbox

AI agents call list_available_components to retrieve information from Sbox 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_available_components is rated Low

This tool retrieves and queries metadata about available components in the s&box engine. It has no side effects—it does not create, modify, delete, or execute operations. The core function is informational lookup, which is the defining characteristic of a Read category tool.

From the tool's definition Tool name 'list_available_components' and description 'List all component types available in s&box' indicate query/retrieval operations. The phrase 'Search by name or filter by category' confirms it performs filtering and listing without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_available_components safely

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

list_available_components Allowed

list_available_components 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_available_components": {}
  }
}

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

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

FAQ

Questions about list_available_components

What does the list_available_components tool do? +

List all component types available in s&box (built-in and custom). Search by name or filter by category. It is categorised as a Read tool in the Sbox MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_available_components? +

Register the Sbox MCP server in PolicyLayer and add a rule for list_available_components: 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 Sbox. Nothing to install.

What risk level is list_available_components? +

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

Can I rate-limit list_available_components? +

Yes. Add a rate_limit block to the list_available_components 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_available_components completely? +

Set action: deny in the PolicyLayer policy for list_available_components. 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_available_components? +

list_available_components is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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