get_centrality

Calculate centrality metrics for entities in the graph

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-centrality.md

WHAT IT DOES

What get_centrality does on Enhanced Knowledge Graph Memory Server

AI agents call get_centrality 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_centrality is rated Low

This tool retrieves analytical metrics (centrality measures such as degree, betweenness, closeness, eigenvector centrality) from a knowledge graph. It performs read-only analysis with no side effects—no data is created, modified, deleted, or executed. The blast radius of misuse is minimal; returning incorrect centrality scores does not compromise data integrity or trigger external actions.

From the tool's definition Tool name 'get_centrality' and description 'Calculate centrality metrics for entities in the graph' indicate a query operation that computes and retrieves graph analytics.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_centrality 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_centrality, this is the rule to start with:

get_centrality Allowed

get_centrality 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_centrality": {}
  }
}

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_centrality call is checked against it from then on.

FAQ

Questions about get_centrality

What does the get_centrality tool do? +

Calculate centrality metrics for entities in the graph. 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_centrality? +

Register the Enhanced Knowledge Graph Memory Server MCP server in PolicyLayer and add a rule for get_centrality: 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_centrality? +

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

Can I rate-limit get_centrality? +

Yes. Add a rate_limit block to the get_centrality 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_centrality completely? +

Set action: deny in the PolicyLayer policy for get_centrality. 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_centrality? +

get_centrality 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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