Shows various types of objects (commits, tags, etc.)
AI agents call git_show to retrieve information from GitHub MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
git_show is a standard git command that retrieves and displays information about git objects (commits, tags, blobs, trees). It performs no modifications to the repository, makes no external calls, and has no side effects. It is a pure read operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'git_show' and description 'Shows various types of objects (commits, tags, etc.)' indicate a read-only operation that retrieves and displays git objects without modification.
Attacks that exploit this kind of access
Shows various types of objects (commits, tags, etc.). It is categorised as a Read tool in the GitHub MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GitHub MCP Server MCP server in PolicyLayer and add a rule for git_show: 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 GitHub MCP Server. Nothing to install.
git_show 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 git_show 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 git_show. 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.
git_show is provided by the GitHub MCP Server MCP server (lyderdev/github-mcp-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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