Retrieve public GitHub profile information for a given username; if no username is provided, returns the authenticated user
AI agents call get_user to retrieve information from FastMCP GitHub Automation Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns user profile data without modifying, executing code, deleting resources, or affecting financial state. Even when retrieving authenticated user information, it remains a retrieval operation. The blast radius of misuse is minimal—an attacker could profile users or discover authenticated identity, but cannot manipulate repositories, trigger actions, or cause data loss.
From the tool's definition Tool description states 'Retrieve public GitHub profile information' which is a data retrieval operation with no side effects. The verb 'Retrieve' and the qualifier 'public' explicitly indicate a read-only action.
Attacks that exploit this kind of access
Retrieve public GitHub profile information for a given username; if no username is provided, returns the authenticated user. It is categorised as a Read tool in the FastMCP GitHub Automation Server MCP Server, which means it retrieves data without modifying state.
Register the FastMCP GitHub Automation Server MCP server in PolicyLayer and add a rule for get_user: 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 FastMCP GitHub Automation Server. Nothing to install.
get_user 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_user 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_user. 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_user is provided by the FastMCP GitHub Automation Server MCP server (siddheshdongare/git-pilot). 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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