AI agents call get-inbox to retrieve information from SupaThings MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'get-inbox' follows the retrieval pattern established by sibling tools (get-*). Despite the empty description, the consistent naming convention with other get_ tools and the server's stated capability to 'read' Things 3 data indicate this retrieves inbox items without side effects. Low severity due to read-only nature and limited blast radius if misused by an AI agent.
From the tool's definition Tool name 'get-inbox' combined with server context describing 'read and manage Things 3 data' and sibling tools like 'get-areas', 'get-headings', 'get-logbook' which are all retrieval operations.
Documented attack patterns abuse exactly the kind of access get-inbox gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and SupaThings MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get-inbox:
{
"version": "1",
"default": "deny",
"tools": {
"get-inbox": {}
}
}get-inbox is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get-inbox. It is categorised as a Read tool in the SupaThings MCP MCP Server, which means it retrieves data without modifying state.
Register the SupaThings MCP server in PolicyLayer and add a rule for get-inbox: 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 SupaThings MCP. Nothing to install.
get-inbox 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-inbox 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-inbox. 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-inbox is provided by the SupaThings MCP server (soycanopa/supathings-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from SupaThings MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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37 SupaThings MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.