find_matching_memories_for_rule
v2.1.0 \u2014 Dry-run preview: return entities whose observations would match the candidate exclusion pattern. Does NOT persist the rule.
This record as markdown: /tools/danielsimonjr-memory-mcp/find-matching-memories-for-rule.md
What find_matching_memories_for_rule does on Enhanced Knowledge Graph Memory Server
AI agents call find_matching_memories_for_rule 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.
Why find_matching_memories_for_rule is rated Low
Even though find_matching_memories_for_rule only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs find_matching_memories_for_rule 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 find_matching_memories_for_rule, this is the rule to start with:
find_matching_memories_for_rule is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Enhanced Knowledge Graph Memory Server, apply this rule, and every find_matching_memories_for_rule call is checked against it from then on.
Questions about find_matching_memories_for_rule
v2.1.0 \u2014 Dry-run preview: return entities whose observations would match the candidate exclusion pattern. Does NOT persist the rule. It is categorised as a Read tool in the Enhanced Knowledge Graph Memory Server MCP Server, which means it retrieves data without modifying state.
Register the Enhanced Knowledge Graph Memory Server MCP server in PolicyLayer and add a rule for find_matching_memories_for_rule: 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.
find_matching_memories_for_rule 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 find_matching_memories_for_rule 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 find_matching_memories_for_rule. 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.
find_matching_memories_for_rule 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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