Get access key from environment variables
AI agents call get_access_key to retrieve information from Bybit MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
While the tool accesses sensitive credential information (an API key/access key), it is fundamentally a retrieval operation with no side effects. It does not create, modify, delete, or execute anything. The severity is low because the tool itself is non-destructive; the risk lies downstream in how the returned credential might be misused by other tools, but that is outside the scope of this tool's direct action.
From the tool's definition The tool 'get_access_key' retrieves an access key from environment variables. This is a read operation that queries stored configuration/credentials without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
Get access key from environment variables. It is categorised as a Read tool in the Bybit MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for get_access_key: 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 Bybit MCP Server. Nothing to install.
get_access_key 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_access_key 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_access_key. 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_access_key is provided by the Bybit MCP Server MCP server (kondisettyravi/mcp-bybit-node). 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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