search_by_time

Search entities using a natural language time expression (e.g.

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/search-by-time.md

WHAT IT DOES

What search_by_time does on Enhanced Knowledge Graph Memory Server

AI agents call search_by_time 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 search_by_time is rated Low

This tool retrieves or queries data from the knowledge graph without modifying, deleting, or executing external operations. Search and retrieval operations are Read category with low severity since they have no side effects and minimal blast radius if misused—an agent can only over-retrieve information it likely has authorization to access already.

From the tool's definition Tool name is 'search_by_time' and performs search/query operations on entities using natural language time expressions. The server description indicates this is a knowledge graph storage system where this tool retrieves data based on temporal criteria.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

search_by_time Allowed

search_by_time 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": {
    "search_by_time": {}
  }
}

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 search_by_time call is checked against it from then on.

FAQ

Questions about search_by_time

What does the search_by_time tool do? +

Search entities using a natural language time expression (e.g. 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 search_by_time? +

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

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

Can I rate-limit search_by_time? +

Yes. Add a rate_limit block to the search_by_time 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 search_by_time completely? +

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

search_by_time 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.

KEEP EXPLORING

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