get_pdf_index_stats
A read tool on the Metis Public Health MCP server.
This record as markdown: /tools/sveritg-metis-ph/get-pdf-index-stats.md
What get_pdf_index_stats does on Metis Public Health
AI agents call get_pdf_index_stats 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 get_pdf_index_stats is rated Low
This tool retrieves or queries existing statistical information about the PDF index without modifying, executing, or deleting anything. It fits the 'Read' category as a data retrieval operation with no side effects. The low blast radius (only returns stats) and local-first architecture further support low severity.
From the tool's definition Tool name 'get_pdf_index_stats' indicates retrieval of statistical metadata about indexed PDFs. The name structure (get_* pattern) and context within a research companion that maintains a local PDF library strongly suggest a query operation.
Attacks that exploit this kind of access
The rule that runs get_pdf_index_stats 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 get_pdf_index_stats, this is the rule to start with:
get_pdf_index_stats 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 get_pdf_index_stats call is checked against it from then on.
Questions about get_pdf_index_stats
get_pdf_index_stats 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 get_pdf_index_stats: 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.
get_pdf_index_stats 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 get_pdf_index_stats 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 get_pdf_index_stats. 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.
get_pdf_index_stats 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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