decrypt_backup
A read tool on the Metis Public Health MCP server.
This record as markdown: /tools/sveritg-metis-ph/decrypt-backup.md
What decrypt_backup does on Metis Public Health
AI agents call decrypt_backup 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 decrypt_backup is rated Low
The 'decrypt' verb typically indicates reading/accessing encrypted data. However, confidence is reduced to 0.45 because the description is empty and uninformative, leaving interpretation vulnerable to alternative readings (e.g., decryption could enable subsequent destructive actions).
From the tool's definition Tool named 'decrypt_backup' with empty description. The name suggests it decrypts (unlocks/reads) backup data rather than modifying or deleting it.
Attacks that exploit this kind of access
The rule that runs decrypt_backup 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 decrypt_backup, this is the rule to start with:
decrypt_backup 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 decrypt_backup call is checked against it from then on.
Questions about decrypt_backup
decrypt_backup 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 decrypt_backup: 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.
decrypt_backup 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 decrypt_backup 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 decrypt_backup. 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.
decrypt_backup 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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