AI agents call git_show to retrieve information from Mcp Git without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
git_show is a read-only operation that retrieves and displays commit metadata and changes. It has no side effects on the repository state, code execution, or data integrity. The blast radius of misuse is minimal—an agent could retrieve unwanted information but cannot alter, delete, or execute anything.
From the tool's definition Tool name 'git_show' and description 'Shows the contents of a commit' indicate a retrieval operation that displays historical commit data without modifying or executing anything.
Attacks that exploit this kind of access
Shows the contents of a commit. It is categorised as a Read tool in the Mcp Git MCP Server, which means it retrieves data without modifying state.
Register the Mcp Git 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 Mcp Git. 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 Mcp Git MCP server (mcp-git). 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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