vault_container_inspect
Inspect a 0nVault container without decrypting. Shows metadata, layer names, seal verification, signature status. No passphrase required — all metadata is public. Example: vault_container_inspect({ file:
This record as markdown: /tools/io-github-0nork-0nmcp/vault-container-inspect.md
What vault_container_inspect does on 0nmcp
AI agents call vault_container_inspect to retrieve information from 0nmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why vault_container_inspect is rated Low
This tool retrieves and queries metadata about encrypted containers without decryption or modification capabilities. It produces no side effects, makes no changes to data, and exposes only publicly-available metadata. This is a pure read operation with minimal security impact.
From the tool's definition Tool name 'vault_container_inspect' and description states it 'Inspect a 0nVault container without decrypting' and 'Shows metadata, layer names, seal verification, signature status.' The explicit statement 'No passphrase required — all metadata is public'…
Attacks that exploit this kind of access
The rule that runs vault_container_inspect safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 0nmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vault_container_inspect, this is the rule to start with:
vault_container_inspect 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 0nmcp, apply this rule, and every vault_container_inspect call is checked against it from then on.
Questions about vault_container_inspect
Inspect a 0nVault container without decrypting. Shows metadata, layer names, seal verification, signature status. No passphrase required — all metadata is public. Example: vault_container_inspect({ file:. It is categorised as a Read tool in the 0nmcp MCP Server, which means it retrieves data without modifying state.
Register the 0n MCP server in PolicyLayer and add a rule for vault_container_inspect: 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 0nmcp. Nothing to install.
vault_container_inspect 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 vault_container_inspect 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 vault_container_inspect. 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.
vault_container_inspect is provided by the 0n MCP server (0nmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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