AI agents use create_issue to create or update resources in Git MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Git MCP Server environment.
Creating an issue is a reversible write operation—issues can be deleted or closed without permanent data loss. It does not execute arbitrary code, delete data irreversibly, or involve financial transactions. The severity is medium because an AI agent could spam issues or create misleading issues that clutter a project, but the impact is limited to issue creation and the action is reversible.
From the tool's definition Tool name 'create_issue' and description 'Create a new issue in a project' indicate the tool creates new data (an issue) in a repository. This is a write operation that modifies project state by adding a new issue.
Documented attack patterns abuse exactly the kind of access create_issue gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Git MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_issue:
{
"version": "1",
"default": "deny",
"tools": {
"create_issue": {
"limits": [
{
"counter": "create_issue_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_issue 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.
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Create a new issue in a project. It is categorised as a Write tool in the Git MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Git MCP Server MCP server in PolicyLayer and add a rule for create_issue: 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 Git MCP Server. Nothing to install.
create_issue 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 create_issue 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 create_issue. 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.
create_issue is provided by the Git MCP Server MCP server (yumeminami/git_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Git MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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33 Git MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.