List all installed Stockyard tools and their status
AI agents call stockyard_list_tools to retrieve information from Stockyard MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the state of installed developer tools and returns status information. It has no side effects, creates no new data, executes no external operations, and cannot delete or modify system state. It is a simple informational retrieval operation, making it a Read category tool with low severity risk.
From the tool's definition Tool name 'stockyard_list_tools' and description 'List all installed Stockyard tools and their status' indicate a read-only operation that retrieves and displays information about installed tools without modifying, executing, or deleting anything.
Attacks that exploit this kind of access
List all installed Stockyard tools and their status. It is categorised as a Read tool in the Stockyard MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stockyard MCP Server MCP server in PolicyLayer and add a rule for stockyard_list_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 Stockyard MCP Server. Nothing to install.
stockyard_list_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 stockyard_list_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 stockyard_list_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.
stockyard_list_tools is provided by the Stockyard MCP Server MCP server (stockyard-dev/stockyard-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 →