AI agents call async_tool as a supporting operation in OdinMCP workflows.
With no description, the tool's purpose cannot be determined. The name 'async_tool' only suggests asynchronous execution but provides no detail on what action is performed. Given the server context involves distributed task execution, it could be Execute-category, but confidence is too low to assign anything beyond 'Other' without more information.
From the tool's definition Tool description is empty; no information available about what this tool does beyond its name 'async_tool'.
Documented attack patterns abuse exactly the kind of access async_tool gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OdinMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for async_tool:
{
"version": "1",
"default": "deny",
"tools": {
"async_tool": {
"limits": [
{
"counter": "async_tool_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}async_tool gets a rate cap, and everything else on the server is denied unless you say otherwise.
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async_tool. It is categorised as a Other tool in the OdinMCP MCP Server, which means it performs auxiliary operations.
Register the Odin MCP server in PolicyLayer and add a rule for async_tool: 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 OdinMCP. Nothing to install.
async_tool is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the async_tool 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 async_tool. 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.
async_tool is provided by the Odin MCP server (thenullp0inter/odinmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from OdinMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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3 OdinMCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.