获取当前用户的 SSH 公钥
AI agents call getSshPublicKey to retrieve information from Current operating environment without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves the SSH public key for the current user. SSH public keys are non-sensitive cryptographic material designed to be shared (as opposed to private keys which must remain secret). The operation is read-only with no side effects—it queries and returns existing information without creating, modifying, or deleting data.
From the tool's definition Tool name 'getSshPublicKey' and description '获取当前用户的 SSH 公钥' (Get the current user's SSH public key) indicate retrieval of existing cryptographic public key material without modification.
Attacks that exploit this kind of access
获取当前用户的 SSH 公钥. It is categorised as a Read tool in the Current operating environment MCP Server, which means it retrieves data without modifying state.
Register the Current operating environment MCP server in PolicyLayer and add a rule for getSshPublicKey: 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 Current operating environment. Nothing to install.
getSshPublicKey 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 getSshPublicKey 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 getSshPublicKey. 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.
getSshPublicKey is provided by the Current operating environment MCP server (jackxuyi/env-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
getSshPublicKey is one line of Current operating environment's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →