focus_keep

Save an item to a focus area's safe, for further reflection.

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/focus-keep.md

WHAT IT DOES

What focus_keep does on Metis Public Health

AI agents use focus_keep 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 focus_keep is rated Medium

Tool creates or stores user-defined items in a focus area; reversible and creates no external side effects.

From the tool's definition Save an item to a focus area's safe, for further reflection.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

focus_keep Rate-limited

focus_keep 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": {
    "focus_keep": {
      "limits": [
        {
          "counter": "focus_keep_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 focus_keep call is checked against it from then on.

FAQ

Questions about focus_keep

What does the focus_keep tool do? +

Save an item to a focus area's safe, for further reflection. 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 focus_keep? +

Register the Metis Public Health MCP server in PolicyLayer and add a rule for focus_keep: 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 focus_keep? +

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

Can I rate-limit focus_keep? +

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

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

focus_keep 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.

KEEP EXPLORING

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