This record as markdown: /tools/0xshariq-github-mcp-server/git-commit.md
What git_commit does on GitHub MCP Server
AI agents use git_commit to create or update resources in GitHub MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GitHub MCP Server environment.
Why git_commit is rated Medium
git_commit creates permanent records (commits) in the repository, which is a Write operation rather than Read (does modify state). While commits are not inherently destructive, they modify repository history and can be misused by an AI agent to pollute the repository with unwanted changes, create misleading commit messages, or commit sensitive data.
From the tool's definition Tool name 'git_commit' and description 'Commits staged files' indicates it creates a new commit object in the Git repository, modifying the repository state.
Attacks that exploit this kind of access
The rule that runs git_commit 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_commit, this is the rule to start with:
git_commit stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_commit call is checked against it from then on.
Questions about git_commit
Commits staged files. It is categorised as a Write tool in the GitHub MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the GitHub MCP Server MCP server in PolicyLayer and add a rule for git_commit: 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_commit is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the git_commit 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_commit. 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_commit 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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