List all available versions for a Maven dependency, optionally filtering to stable versions only
AI agents call get_all_versions to retrieve information from Maven Version Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and filters version metadata from a Maven repository. It has no capability to modify, delete, or execute anything. The blast radius of misuse is minimal — an AI agent querying version history poses no risk to data integrity, system state, or financial resources. It is a straightforward Read operation.
From the tool's definition Tool description states 'List all available versions' and 'optionally filtering to stable versions only' — pure querying with no side effects.
Attacks that exploit this kind of access
List all available versions for a Maven dependency, optionally filtering to stable versions only. It is categorised as a Read tool in the Maven Version Server MCP Server, which means it retrieves data without modifying state.
Register the Maven Version Server MCP server in PolicyLayer and add a rule for get_all_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 Maven Version Server. Nothing to install.
get_all_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 get_all_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 get_all_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.
get_all_versions is provided by the Maven Version Server MCP server (kristijan-rotim/maven-version-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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