Get attachment details (without downloading file contents)
AI agents call get_attachment_info to retrieve information from Redmine MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that queries attachment metadata in Redmine. It does not download or access file contents, create, modify, or delete any data. The explicit limitation to details-only (excluding file contents) confirms no side effects. Severity is low because attachment metadata is non-sensitive administrative information.
From the tool's definition Tool description states 'Get attachment details (without downloading file contents)' - retrieves metadata about attachments without accessing or modifying data.
Documented attack patterns abuse exactly the kind of access get_attachment_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Redmine MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_attachment_info:
{
"version": "1",
"default": "deny",
"tools": {
"get_attachment_info": {}
}
}get_attachment_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get attachment details (without downloading file contents). It is categorised as a Read tool in the Redmine MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Redmine MCP Server MCP server in PolicyLayer and add a rule for get_attachment_info: 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 Redmine MCP Server. Nothing to install.
get_attachment_info 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 get_attachment_info 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 get_attachment_info. 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.
get_attachment_info is provided by the Redmine MCP Server MCP server (snowild/redmine-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Redmine 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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35 Redmine MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.