AI agents call list_projects to retrieve information from Overleaf MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about available projects without creating, modifying, deleting, or executing any operations. It is a passive data retrieval function that falls clearly under the Read category. Severity is low because listing projects reveals metadata but not sensitive document content, and the blast radius of misuse is minimal.
From the tool's definition Tool name is 'list_projects' and description states 'List all configured Overleaf projects' — a retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access list_projects gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Overleaf MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_projects:
{
"version": "1",
"default": "deny",
"tools": {
"list_projects": {}
}
}list_projects is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all configured Overleaf projects. It is categorised as a Read tool in the Overleaf MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Overleaf MCP Server MCP server in PolicyLayer and add a rule for list_projects: 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 Overleaf MCP Server. Nothing to install.
list_projects 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 list_projects 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 list_projects. 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.
list_projects is provided by the Overleaf MCP Server MCP server (mjyoo2/overleafmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Overleaf 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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8 Overleaf MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.