local_ydb_storage_placement
Read-only storage inspection that returns ReadStoragePool output and BSC physical placement. Use before adding or reducing storage groups to confirm the exact pool shape.
This record as markdown: /tools/local-ydb/local-ydb-storage-placement.md
What local_ydb_storage_placement does on Local Ydb
AI agents call local_ydb_storage_placement to retrieve information from Local Ydb without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why local_ydb_storage_placement is rated Low
This tool performs inspection and retrieval of storage pool configuration and physical placement information without modifying, deleting, or executing operations. The read-only nature and inspection purpose place it squarely in the Read category with low severity, as misuse would only expose configuration details rather than cause operational damage.
From the tool's definition Tool description explicitly states "Read-only storage inspection that returns ReadStoragePool output and BSC physical placement." The term "Read-only" and "inspection" combined with "returns" (retrieval action) confirm this is a query/inspect operation with…
Attacks that exploit this kind of access
The rule that runs local_ydb_storage_placement safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Local Ydb, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For local_ydb_storage_placement, this is the rule to start with:
local_ydb_storage_placement 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 Local Ydb, apply this rule, and every local_ydb_storage_placement call is checked against it from then on.
Questions about local_ydb_storage_placement
Read-only storage inspection that returns ReadStoragePool output and BSC physical placement. Use before adding or reducing storage groups to confirm the exact pool shape. It is categorised as a Read tool in the Local Ydb MCP Server, which means it retrieves data without modifying state.
Register the Local Ydb MCP server in PolicyLayer and add a rule for local_ydb_storage_placement: 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 Local Ydb. Nothing to install.
local_ydb_storage_placement 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 local_ydb_storage_placement 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 local_ydb_storage_placement. 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.
local_ydb_storage_placement is provided by the Local Ydb MCP server (@astandrik/local-ydb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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