harvest_get_time_entry

THE RISK

Low Risk

Why harvest_get_time_entry needs a policy

This tool retrieves an existing time entry by its identifier. It performs a query operation without side effects—no data is created, modified, deleted, or executed. While it accesses business-sensitive time tracking data in Harvest, the read-only nature and granular access pattern (single entry by ID) limit blast radius to information disclosure, which is a low-severity concern compared to write, execute, or…

From the tool's definition Tool name 'harvest_get_time_entry' and description 'Get a specific time entry by ID' indicate a retrieval operation with no modification.

Documented attack patterns abuse exactly the kind of access harvest_get_time_entry gives an agent:

POLICY

How to control harvest_get_time_entry

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 harvest_get_time_entry:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "harvest_get_time_entry": {}
  }
}

harvest_get_time_entry is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Harvest MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More Harvest MCP Server tools

Destructive harvest_delete_time_entry Delete a time entry. Use this to remove erroneous or unwanted time entries. Write harvest_stop_timer Stop a running timer on a time entry Write harvest_create_time_entry Create a new time entry Read harvest_compute_budget_performance Analyze employee performance based on budget adherence per project. Compares actual hours Read harvest_aggregate_time Aggregate time entries by various dimensions. Simple convenience tool for getting total ho Read harvest_compute_profitability Compute profitability metrics for a date range. Supports three modes: time_based (hours r Read harvest_compute_utilization Compute utilization metrics for a date range. Shows how much of available capacity is bein Read harvest_get_company Get information about the authenticated Harvest company/account

All 21 Harvest MCP Server tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about harvest_get_time_entry

What does the harvest_get_time_entry tool do? +

Get a specific time entry by ID. It is categorised as a Read tool in the Harvest MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on harvest_get_time_entry? +

Register the Harvest MCP Server MCP server in PolicyLayer and add a rule for harvest_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.

What risk level is harvest_get_time_entry? +

harvest_get_time_entry is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit harvest_get_time_entry? +

Yes. Add a rate_limit block to the harvest_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.

How do I block harvest_get_time_entry completely? +

Set action: deny in the PolicyLayer policy for harvest_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.

What MCP server provides harvest_get_time_entry? +

harvest_get_time_entry is provided by the Harvest MCP Server MCP server (southleft/harvest-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Harvest MCP Server tool call.

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.

CHECK YOUR STACK →