get_descendants

Get all descendant entities of an entity

SERVEREnhanced Knowledge Graph Memory Server SOURCEdanielsimonjr/memory-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/danielsimonjr-memory-mcp/get-descendants.md

WHAT IT DOES

What get_descendants does on Enhanced Knowledge Graph Memory Server

AI agents call get_descendants to retrieve information from Enhanced Knowledge Graph Memory Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_descendants is rated Low

This tool queries and retrieves descendant entities from a knowledge graph structure. It is a read-only operation that returns information without modifying state, creating side effects, or triggering external operations. The low severity reflects minimal blast radius—misuse would only expose existing data relationships rather than causing harm.

From the tool's definition Tool name 'get_descendants' and description 'Get all descendant entities of an entity' indicate retrieval of hierarchical data with no modification, deletion, or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_descendants safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Enhanced Knowledge Graph Memory Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_descendants, this is the rule to start with:

get_descendants Allowed

get_descendants is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_descendants": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Enhanced Knowledge Graph Memory Server, apply this rule, and every get_descendants call is checked against it from then on.

FAQ

Questions about get_descendants

What does the get_descendants tool do? +

Get all descendant entities of an entity. It is categorised as a Read tool in the Enhanced Knowledge Graph Memory Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_descendants? +

Register the Enhanced Knowledge Graph Memory Server MCP server in PolicyLayer and add a rule for get_descendants: 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 Enhanced Knowledge Graph Memory Server. Nothing to install.

What risk level is get_descendants? +

get_descendants is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_descendants? +

Yes. Add a rate_limit block to the get_descendants 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.

How do I block get_descendants completely? +

Set action: deny in the PolicyLayer policy for get_descendants. 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.

What MCP server provides get_descendants? +

get_descendants is provided by the Enhanced Knowledge Graph Memory Server MCP server (danielsimonjr/memory-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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