Track time and manage invoicing with Harvest — time entries, projects, clients, tasks, reports, and invoices from AI.
Use with AI AssistantsMCP
Connect Claude, Cursor, or any MCP-compatible client — then call tools directly
① Add This MCP Server
Paste into your AI client config — then all its tools are available instantly.
{
"mcpServers": {
"harvest": {
"url": "https://mcp.aerostack.dev/s/aerostack/mcp-harvest",
"headers": {
"Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
}
}
}
}Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.
② Call a Tool
Ask your AI assistant to call a specific tool, or send raw JSON-RPC:
Natural Language Prompt
“Use the _ping tool to verify harvest credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”
Using a Workspace?
Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.
Track time and manage invoicing with Harvest — time entries, projects, clients, tasks, reports, and invoices from AI.
Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-harvest
This MCP server gives AI agents access to Harvest via 16 tools. Connect it to any Aerostack workspace and your agents can interact with Harvest directly.
| Tool | Description |
|---|---|
list_time_entries | List time entries with optional filters |
create_time_entry | Create a new time entry |
update_time_entry | Update an existing time entry |
delete_time_entry | Delete a time entry |
restart_timer | Restart a stopped timer |
stop_timer | Stop a running timer |
list_projects | List projects |
get_project | Get a project by ID |
create_project | Create a new project |
list_clients | List clients |
create_client | Create a new client |
list_tasks | List all tasks |
list_invoices | List invoices with optional filters |
create_invoice | Create a new invoice |
list_reports_time | Get time report by projects |
get_current_user | Get current authenticated user |
| Variable | Required | Description |
|---|---|---|
HARVEST_ACCESS_TOKEN | Yes | Personal access token or service token from the provider |
HARVEST_ACCOUNT_ID | Yes | See provider documentation |
Add the following secrets under Project → Secrets:
HARVEST_ACCESS_TOKENHARVEST_ACCOUNT_IDOnce added, every AI agent in your workspace can use Harvest tools automatically.
curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-harvest \
-H 'Content-Type: application/json' \
-H 'X-Mcp-Secret-HARVEST-ACCESS-TOKEN: your-harvest-access-token' \
-H 'X-Mcp-Secret-HARVEST-ACCOUNT-ID: your-harvest-account-id' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_time_entries","arguments":{}}}'
MIT
Live Endpoint
https://mcp.aerostack.dev/s/aerostack/mcp-harvest
Sub-50ms globally · Zero cold start
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Yes. The Harvest MCP includes a create_time_entry tool that lets Claude create time entries in your Harvest account from a plain-English prompt. You can also update and delete time entries — no Harvest UI needed.
Yes. The Harvest MCP includes tools to list and retrieve time entries from your Harvest account. Claude can filter, sort, and summarize time entries based on your instructions.
Yes. The Harvest MCP uses the open Model Context Protocol standard, so it works in Claude, Cursor, Windsurf, and any other MCP-compatible AI tool. All 16 Harvest tools are available everywhere you connect it — install once on Aerostack.
Yes. The Harvest MCP includes tools to update time entries in your Harvest account. Tell Claude what to change in plain English — it reads the current state and applies the update via the Harvest API.