scan_tracked_files
Scan all tracked files and report which have changed since last scan.
This record as markdown: /tools/sveritg-metis-ph/scan-tracked-files.md
What scan_tracked_files does on Metis Public Health
AI agents call scan_tracked_files 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 scan_tracked_files is rated Low
This tool reads metadata about tracked files (their change status) and reports findings. It performs no writes, deletions, executions, or financial operations. The operation is passive monitoring/comparison of file states on the user's local machine, consistent with a research companion's data tracking features.
From the tool's definition Tool name 'scan_tracked_files' and description 'report which have changed since last scan' indicates querying/checking file status with no modification.
Attacks that exploit this kind of access
The rule that runs scan_tracked_files 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 scan_tracked_files, this is the rule to start with:
scan_tracked_files 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 scan_tracked_files call is checked against it from then on.
Questions about scan_tracked_files
Scan all tracked files and report which have changed since last scan. 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 scan_tracked_files: 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.
scan_tracked_files 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 scan_tracked_files 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 scan_tracked_files. 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.
scan_tracked_files 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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