link_memories

A write tool on the Metis Public Health MCP server.

SERVERMetis Public Health SOURCEsveritg/metis_ph

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sveritg-metis-ph/link-memories.md

WHAT IT DOES

What link_memories does on Metis Public Health

AI agents use link_memories to create or update resources in Metis Public Health, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Metis Public Health environment.

RISK

Why link_memories is rated Medium

The name 'link_memories' suggests creating relationships between existing memory entries, which is a Write operation. However, the description is empty, so confidence is low. Based on sibling tools like 'add_memory_entry', this server manages a personal knowledge base; linking memories would create new associations (reversible write).

From the tool's definition Tool name 'link_memories' with empty description. The name implies creating associations/links between existing memory entries.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs link_memories safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Metis Public Health, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For link_memories, this is the rule to start with:

link_memories Rate-limited

link_memories stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "link_memories": {
      "limits": [
        {
          "counter": "link_memories_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Metis Public Health, apply this rule, and every link_memories call is checked against it from then on.

FAQ

Questions about link_memories

What does the link_memories tool do? +

link_memories is a write tool on the Metis Public Health MCP server. It is categorised as a Write tool in the Metis Public Health MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on link_memories? +

Register the Metis Public Health MCP server in PolicyLayer and add a rule for link_memories: 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 Metis Public Health. Nothing to install.

What risk level is link_memories? +

link_memories is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit link_memories? +

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

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

link_memories is provided by the Metis Public Health MCP server (sveritg/metis_ph). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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