List .hx scripts in a project tree with basic metadata.
AI agents call list_hx_scripts to retrieve information from Avizo MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation—listing scripts and their metadata. It has no side effects, cannot modify data, and poses minimal risk. The verb 'list' combined with the passive retrieval of metadata clearly places this in the Read category.
From the tool's definition Tool name 'list_hx_scripts' and description 'List `.hx` scripts in a project tree with basic metadata' indicate a query/discovery operation that retrieves information without modifying state.
Attacks that exploit this kind of access
List .hx scripts in a project tree with basic metadata. It is categorised as a Read tool in the Avizo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Avizo MCP Server MCP server in PolicyLayer and add a rule for list_hx_scripts: 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 Avizo MCP Server. Nothing to install.
list_hx_scripts 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_hx_scripts 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_hx_scripts. 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_hx_scripts is provided by the Avizo MCP Server MCP server (songyb1998/avizo-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.
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