add_journal_entry

Store a journal entry with auto-extracted mood and energy.

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/add-journal-entry.md

WHAT IT DOES

What add_journal_entry does on Metis Public Health

AI agents use add_journal_entry 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 add_journal_entry is rated Medium

This tool creates or writes new journal entry data to the user's local system with auto-extracted metadata (mood, energy). The operation is reversible (entries can be edited or deleted later). It has no destructive, execute, or financial characteristics. The low severity reflects that misuse would only create unwanted journal entries in a personal knowledge base, with minimal blast radius.

From the tool's definition Tool name includes 'add' and description states 'Store a journal entry', indicating creation of new data with reversible effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

add_journal_entry Rate-limited

add_journal_entry 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": {
    "add_journal_entry": {
      "limits": [
        {
          "counter": "add_journal_entry_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 add_journal_entry call is checked against it from then on.

FAQ

Questions about add_journal_entry

What does the add_journal_entry tool do? +

Store a journal entry with auto-extracted mood and energy. 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 add_journal_entry? +

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

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

Can I rate-limit add_journal_entry? +

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

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

add_journal_entry 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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