Lists all public repositories for GitHub user: ${config.github_username}.
AI agents call list_repositories to retrieve information from GitInsight-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries publicly available GitHub repository metadata for a specified user. It performs no modifications, deletions, or external operations—it is purely informational. The data accessed is public by nature, limiting exposure. This aligns with the Read category: retrieves or queries data with no side effects.
From the tool's definition Tool description explicitly states it 'Lists all public repositories' for a GitHub user. The verb 'Lists' combined with 'public repositories' indicates read-only data retrieval with no side effects.
Attacks that exploit this kind of access
Lists all public repositories for GitHub user: ${config.github_username}. It is categorised as a Read tool in the GitInsight-MCP MCP Server, which means it retrieves data without modifying state.
Register the GitInsight- MCP server in PolicyLayer and add a rule for list_repositories: 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 GitInsight-MCP. Nothing to install.
list_repositories 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 list_repositories 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 list_repositories. 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.
list_repositories is provided by the GitInsight- MCP server (marwaniiwael18/gitinsight-mcp). 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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