Get tech stack recommendations. If you haven't completed the planning process,
AI agents call recommend_stack to retrieve information from Vibe Stack MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries a recommendation engine and returns results to inform user decision-making. It has no side effects—no data is created permanently, modified in target systems, or deleted. While it may guide financial or technical decisions, the tool itself neither executes operations nor commits resources. The low blast radius of misuse (incorrect recommendation) is easily recoverable through human review.
From the tool's definition Tool provides 'recommendations' and 'explanations' based on collected data. The description indicates it retrieves and presents personalized tech stack suggestions without modifying, deleting, executing code, or committing financial resources.
Attacks that exploit this kind of access
Get tech stack recommendations. If you haven't completed the planning process,. It is categorised as a Read tool in the Vibe Stack MCP MCP Server, which means it retrieves data without modifying state.
Register the Vibe Stack MCP server in PolicyLayer and add a rule for recommend_stack: 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 Vibe Stack MCP. Nothing to install.
recommend_stack 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 recommend_stack 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 recommend_stack. 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.
recommend_stack is provided by the Vibe Stack MCP server (memextech/vibe-plan-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →