AI agents use create_group_wiki_page to create or update resources in Gitlab — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Gitlab environment.
This tool creates new wiki page resources within a GitLab group, which is a reversible write operation. It does not delete data (not Destructive), execute arbitrary code (not Execute), involve financial transactions (not Financial), or trigger uncontrolled external operations (not Execute).
From the tool's definition Tool name 'create_group_wiki_page' and description 'Create a new wiki page for a GitLab group' explicitly indicate creation of new content.
Documented attack patterns abuse exactly the kind of access create_group_wiki_page gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Gitlab, and nothing reaches the server without passing your rules. This is the rule we recommend for create_group_wiki_page:
{
"version": "1",
"default": "deny",
"tools": {
"create_group_wiki_page": {
"limits": [
{
"counter": "create_group_wiki_page_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_group_wiki_page 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 wiki page for a GitLab group. It is categorised as a Write tool in the Gitlab MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Gitlab MCP server in PolicyLayer and add a rule for create_group_wiki_page: 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 Gitlab. Nothing to install.
create_group_wiki_page 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_group_wiki_page 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_group_wiki_page. 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_group_wiki_page is provided by the Gitlab MCP server (yoda-digital/mcp-gitlab-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 88 Gitlab tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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88 Gitlab tools catalogued and risk-classified — across an index of 42,500+ MCP servers.