local_ydb_upgrade_version
Upgrade a file-backed, volume-backed local-ydb profile to a target image tag. Use only for version upgrades on profiles without bindMountPath; it preflights source and target images, dumps, rebuilds, restores, reapplies auth when configured, recreates extra nodes, verifies container images, and p...
This record as markdown: /tools/local-ydb/local-ydb-upgrade-version.md
What local_ydb_upgrade_version does on Local Ydb
AI agents invoke local_ydb_upgrade_version to trigger actions in Local Ydb. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why local_ydb_upgrade_version is rated High
This tool orchestrates a complex multi-step upgrade process: it stops and rebuilds containers, dumps and restores data, reapplies auth, and recreates nodes. While it includes backup/restore steps, it executes a chain of operations with significant blast radius — a failed or misapplied upgrade could corrupt the database, cause downtime, or result in data loss.
From the tool's definition preflights source and target images, dumps, rebuilds, restores, reapplies auth when configured, recreates extra nodes, verifies container images, and persists the profile image after successful confirmed execution
Attacks that exploit this kind of access
The rule that runs local_ydb_upgrade_version 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_upgrade_version, this is the rule to start with:
local_ydb_upgrade_version stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. 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_upgrade_version call is checked against it from then on.
Questions about local_ydb_upgrade_version
Upgrade a file-backed, volume-backed local-ydb profile to a target image tag. Use only for version upgrades on profiles without bindMountPath; it preflights source and target images, dumps, rebuilds, restores, reapplies auth when configured, recreates extra nodes, verifies container images, and persists the profile image after successful confirmed execution. It is categorised as a Execute tool in the Local Ydb MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Local Ydb MCP server in PolicyLayer and add a rule for local_ydb_upgrade_version: 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_upgrade_version is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the local_ydb_upgrade_version 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_upgrade_version. 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_upgrade_version 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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