This record as markdown: /tools/0xshariq-github-mcp-server/git-log.md
What git_log does on GitHub MCP Server
AI agents call git_log to retrieve information from GitHub MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why git_log is rated Low
git_log is a standard Git command that retrieves and displays commit history from a repository. It performs no side effects, creates no modifications, executes no code, and deletes nothing. This is a pure read operation that queries existing data. The low severity reflects minimal risk even if misused by an AI agent, as viewing commit history cannot harm the repository.
From the tool's definition Tool name 'git_log' and description 'Shows commit history' indicate a query operation that retrieves historical data without modifying or executing code.
Attacks that exploit this kind of access
The rule that runs git_log safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GitHub MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For git_log, this is the rule to start with:
git_log is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GitHub MCP Server, apply this rule, and every git_log call is checked against it from then on.
Questions about git_log
Shows commit history. 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_log: 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_log 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_log 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_log. 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_log is provided by the GitHub MCP Server MCP server (0xshariq/github-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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