AI agents call list-available-tools to retrieve information from CodeAnalysis MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries available tools from the server—a read-only operation with no side effects. The name clearly indicates listing/enumeration functionality typical of discovery endpoints. While the description is empty (lowering confidence slightly), the tool name and server context provide sufficient evidence for Read classification.
From the tool's definition Tool name 'list-available-tools' indicates a retrieval operation that enumerates available tools without modifying state. No description provided, but the naming convention and context of a code analysis server strongly suggest this is an informational query.
Documented attack patterns abuse exactly the kind of access list-available-tools gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and CodeAnalysis MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list-available-tools:
{
"version": "1",
"default": "deny",
"tools": {
"list-available-tools": {}
}
}list-available-tools is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list-available-tools. It is categorised as a Read tool in the CodeAnalysis MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CodeAnalysis MCP Server MCP server in PolicyLayer and add a rule for list-available-tools: 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 CodeAnalysis MCP Server. Nothing to install.
list-available-tools is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list-available-tools 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.
Set action: deny in the PolicyLayer policy for list-available-tools. 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.
list-available-tools is provided by the CodeAnalysis MCP Server MCP server (0xjcf/mcp_codeanalysis). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from CodeAnalysis MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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31 CodeAnalysis MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.