list_applications

List available applications for installation

SERVER20i MCP Server SOURCEcbrown35/20i-mcp

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/cbrown35-20i-mcp/list-applications.md

WHAT IT DOES

What list_applications does on 20i MCP Server

AI agents call list_applications to retrieve information from 20i MCP Server 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_applications is rated Low

This tool retrieves and presents information about installable applications without creating, modifying, deleting, or executing anything. It is purely informational, making it a Read operation with low severity.

From the tool's definition Tool name contains 'list' and description states 'List available applications for installation' — a query operation with no side effects that retrieves data about available options.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_applications safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_applications, this is the rule to start with:

list_applications Allowed

list_applications 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_applications": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every list_applications call is checked against it from then on.

FAQ

Questions about list_applications

What does the list_applications tool do? +

List available applications for installation. It is categorised as a Read tool in the 20i MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_applications? +

Register the 20i MCP Server MCP server in PolicyLayer and add a rule for list_applications: 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 20i MCP Server. Nothing to install.

What risk level is list_applications? +

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

Can I rate-limit list_applications? +

Yes. Add a rate_limit block to the list_applications 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_applications completely? +

Set action: deny in the PolicyLayer policy for list_applications. 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_applications? +

list_applications is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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