search_notes
A read tool on the Metis Public Health MCP server.
This record as markdown: /tools/sveritg-metis-ph/search-notes.md
What search_notes does on Metis Public Health
AI agents call search_notes to retrieve information from Metis Public Health without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why search_notes is rated Low
The tool searches existing notes without modifying, deleting, or executing external operations. Search operations are retrieves-only actions with no side effects. Even without a description, the verb 'search' combined with the 'notes' context (personal research companion) strongly indicates a Read operation. Severity is low because retrieving personal notes poses minimal risk even if misused by an agent.
From the tool's definition Tool name 'search_notes' indicates a query/search operation over stored notes; consistent with sibling tools like 'add_journal_entry' and 'add_memory_entry' which suggest a personal knowledge/note management system.
Attacks that exploit this kind of access
The rule that runs search_notes 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 search_notes, this is the rule to start with:
search_notes 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 Metis Public Health, apply this rule, and every search_notes call is checked against it from then on.
Questions about search_notes
search_notes is a read tool on the Metis Public Health MCP server. It is categorised as a Read tool in the Metis Public Health MCP Server, which means it retrieves data without modifying state.
Register the Metis Public Health MCP server in PolicyLayer and add a rule for search_notes: 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.
search_notes 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 search_notes 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 search_notes. 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.
search_notes 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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