Get information about all plugin types available in the system with categories.
AI agents call get_plugin_types to retrieve information from HC3 MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches metadata about available plugin types for informational purposes. It does not modify data, execute commands, delete anything, or trigger external operations. The blast radius of misuse is minimal—an agent might retrieve unnecessary information, but cannot harm the system or user data. Confidence is high because the name and description are explicit and unambiguous.
From the tool's definition Tool name 'get_plugin_types' and description 'Get information about all plugin types available in the system with categories' indicate a read-only query operation that retrieves system metadata without modification or side effects.
Attacks that exploit this kind of access
Get information about all plugin types available in the system with categories. It is categorised as a Read tool in the HC3 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HC3 MCP Server MCP server in PolicyLayer and add a rule for get_plugin_types: 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 HC3 MCP Server. Nothing to install.
get_plugin_types 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 get_plugin_types 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 get_plugin_types. 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.
get_plugin_types is provided by the HC3 MCP Server MCP server (jangabrielsson/hc3_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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