MCP server

Harvest MCP by usefulapi

io.usefulapi/harvest

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read time entries, projects, clients, tasks and invoices; log and update tracked time.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

20

Token cost

About 4,396 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http harvest https://harvest.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.harvest]
url = "https://harvest.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"harvest":{"httpUrl":"https://harvest.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"harvest":{"url":"https://harvest.usefulapi.io/mcp"}}}

VS Code

{"servers":{"harvest":{"type":"http","url":"https://harvest.usefulapi.io/mcp"}}}

Antigravity

agy mcp add harvest https://harvest.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"harvest","server_url":"https://harvest.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"harvest","server_url":"https://harvest.usefulapi.io/mcp"}

Tools

• harvest_create_time_entry ~451 tokens
  Create a time entry. Requires project_id, task_id and spent_date. Provide `hours` to log a specific duration; OR provide `started_time` (+ optional `ended_time`) for a timestamped entry; OR omit both to start a running timer (on a timestamp-tracking account). Use harvest_list_project_assignments to
• harvest_delete_time_entry Deletes data · ~129 tokens
  Permanently delete a time entry by id. This cannot be undone. Harvest REST: DELETE /time_entries/{id}. WRITE — destroys data.
• harvest_get_client ~104 tokens
  Retrieve a single client by id. Harvest REST: GET /clients/{id}.
• harvest_get_company ~90 tokens
  Retrieve the company/account settings for the authenticated account (name, currency, time/date formats, week start, feature flags). Harvest REST: GET /company.
• harvest_get_current_user ~76 tokens
  Retrieve the currently authenticated user (whom the access token belongs to). Harvest REST: GET /users/me.
• harvest_get_invoice ~113 tokens
  Retrieve a single invoice by id, including its line items. Harvest REST: GET /invoices/{id}.
• harvest_get_project ~105 tokens
  Retrieve a single project by id. Harvest REST: GET /projects/{id}.
• harvest_get_time_entry ~111 tokens
  Retrieve a single time entry by id. Harvest REST: GET /time_entries/{id}.
• harvest_list_clients ~200 tokens
  List clients, optionally filtered by active status or updated-since. Paginated. Harvest REST: GET /clients.
• harvest_list_estimates ~331 tokens
  List estimates, optionally filtered by client, state, date range, or updated-since. Paginated. Harvest REST: GET /estimates.
• harvest_list_expenses ~387 tokens
  List expenses, optionally filtered by user, client, project, date range, billed status, or updated-since. Paginated. Harvest REST: GET /expenses.
• harvest_list_invoices ~364 tokens
  List invoices, optionally filtered by client, project, state, date range, or updated-since. Paginated. Harvest REST: GET /invoices.
• harvest_list_project_assignments ~194 tokens
  List the authenticated user's active project assignments — the projects and their assignable tasks the current user can log time against (use this to find the project_id + task_id for harvest_create_time_entry). Paginated. Harvest REST: GET /users/me/project_assignments.
• harvest_list_projects ~240 tokens
  List projects, optionally filtered by active status or client, or updated-since. Paginated. Harvest REST: GET /projects.
• harvest_list_tasks ~219 tokens
  List tasks (the billable/non-billable work categories that can be assigned to projects), optionally filtered by active status or updated-since. Paginated. Harvest REST: GET /tasks.
• harvest_list_time_entries ~457 tokens
  List time entries, optionally filtered by user, project, client, task, date range, running/billed status, or updated-since. Paginated. Harvest REST: GET /time_entries.
• harvest_list_users ~201 tokens
  List users in the account, optionally filtered by active status or updated-since. Paginated. Harvest REST: GET /users.
• harvest_restart_time_entry ~143 tokens
  Restart a previously stopped time entry, resuming its timer (error if it is already running). Harvest REST: PATCH /time_entries/{id}/restart. WRITE — modifies data.
• harvest_stop_time_entry ~136 tokens
  Stop a currently running time entry (no-op error if it is already stopped). Harvest REST: PATCH /time_entries/{id}/stop. WRITE — modifies data.
• harvest_update_time_entry ~345 tokens
  Update an existing time entry's hours, notes, spent date, or project/task. Only the fields you provide are changed. Harvest REST: PATCH /time_entries/{id}. WRITE — modifies data.

Browse

• Invoicing and accounting

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