AI agents call get_time_entry to retrieve information from Harvest MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'get' prefix is consistently used across APIs for read-only retrieval operations. Combined with the server context of a time tracking system and sibling tools that clearly show which operations are Write (create), Destructive (delete), or Execute (restart, stop), this tool almost certainly retrieves a single time entry record without modification.
From the tool's definition Tool name 'get_time_entry' is a getter/retrieval pattern; sibling context shows other tools like 'create_time_entry', 'delete_time_entry', 'list_time_entries' with clear action verbs, while 'get_time_entry' follows the standard Read convention (get, fetch,…
Documented attack patterns abuse exactly the kind of access get_time_entry gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Harvest MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_time_entry:
{
"version": "1",
"default": "deny",
"tools": {
"get_time_entry": {}
}
}get_time_entry is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_time_entry. It is categorised as a Read tool in the Harvest MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Harvest MCP Server MCP server in PolicyLayer and add a rule for get_time_entry: 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 Harvest MCP Server. Nothing to install.
get_time_entry 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_time_entry 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_time_entry. 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_time_entry is provided by the Harvest MCP Server MCP server (tgmclaughlin/harvest-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Harvest 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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12 Harvest MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.