get_version_chain

Get all versions of an entity in its version chain. Returns versions sorted by version number ascending. Works from any entity in the chain (resolves to root automatically).

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-version-chain.md

WHAT IT DOES

What get_version_chain does on Enhanced Knowledge Graph Memory Server

AI agents call get_version_chain 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_version_chain is rated Low

This is a read-only operation that queries and returns existing version chain information. It has no side effects, cannot modify data, and represents minimal risk in a misuse scenario. The tool simply retrieves metadata about entity versions.

From the tool's definition Tool retrieves version history data ('Get all versions of an entity in its version chain') with no modification, creation, deletion, or execution capability. Returns sorted historical data only.

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_version_chain 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_version_chain, this is the rule to start with:

get_version_chain Allowed

get_version_chain 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_version_chain": {}
  }
}

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_version_chain call is checked against it from then on.

FAQ

Questions about get_version_chain

What does the get_version_chain tool do? +

Get all versions of an entity in its version chain. Returns versions sorted by version number ascending. Works from any entity in the chain (resolves to root automatically). 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_version_chain? +

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

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

Can I rate-limit get_version_chain? +

Yes. Add a rate_limit block to the get_version_chain 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_version_chain completely? +

Set action: deny in the PolicyLayer policy for get_version_chain. 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_version_chain? +

get_version_chain 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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