List all available role and collection schema files (.yaml/.yml) in ~/.ludus-mcp/schemas/. Shows inventory of roles, collections, and templates with file metadata.
AI agents call ludus_list_role_collection_schemas to retrieve information from LudusMCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays schema file metadata from a directory without modifying, deleting, or executing any code. It is purely informational enumeration of existing schema files. The action is read-only with minimal blast radius even if misused by an agent, as it only exposes schema inventory.
From the tool's definition Tool name contains 'list' and description states 'List all available...Shows inventory' indicating retrieval of metadata with no modification or deletion capability.
Documented attack patterns abuse exactly the kind of access ludus_list_role_collection_schemas gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and LudusMCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ludus_list_role_collection_schemas:
{
"version": "1",
"default": "deny",
"tools": {
"ludus_list_role_collection_schemas": {}
}
}ludus_list_role_collection_schemas is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
List all available role and collection schema files (.yaml/.yml) in ~/.ludus-mcp/schemas/. Shows inventory of roles, collections, and templates with file metadata. It is categorised as a Read tool in the LudusMCP Server MCP Server, which means it retrieves data without modifying state.
Register the LudusMCP Server MCP server in PolicyLayer and add a rule for ludus_list_role_collection_schemas: 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 LudusMCP Server. Nothing to install.
ludus_list_role_collection_schemas 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 ludus_list_role_collection_schemas 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 ludus_list_role_collection_schemas. 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.
ludus_list_role_collection_schemas is provided by the LudusMCP Server MCP server (noctedefensor/ludusmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 29 LudusMCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
29 LudusMCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.