local_ydb_list_versions
List published registry tags for a local-ydb container image, with numeric version tags sorted newest first. Use before local_ydb_upgrade_version to choose a target tag; pageSize and maxPages bound registry pagination and the response reports truncation.
This record as markdown: /tools/local-ydb/local-ydb-list-versions.md
What local_ydb_list_versions does on Local Ydb
AI agents call local_ydb_list_versions 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_list_versions is rated Low
This tool retrieves and queries metadata about available container image versions from a registry. It has no side effects, does not modify data, does not execute operations, and does not perform destructive actions. It is a straightforward Read operation used to enumerate options before a separate upgrade action.
From the tool's definition Tool description explicitly states it "List[s] published registry tags" and "reports truncation" - purely informational operations with no data modification or execution.
Attacks that exploit this kind of access
The rule that runs local_ydb_list_versions 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_list_versions, this is the rule to start with:
local_ydb_list_versions 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_list_versions call is checked against it from then on.
Questions about local_ydb_list_versions
List published registry tags for a local-ydb container image, with numeric version tags sorted newest first. Use before local_ydb_upgrade_version to choose a target tag; pageSize and maxPages bound registry pagination and the response reports truncation. 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_list_versions: 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_list_versions 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_list_versions 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_list_versions. 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_list_versions 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.
More on Local Ydb, and thousands of servers like it.
This server
Across the catalogue