Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Read time entries, projects, clients, tasks and invoices; log and update tracked time.
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We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://harvest.usefulapi.io/mcpRun this in your terminal
claude mcp add --transport http harvest https://harvest.usefulapi.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"harvest": {
"url": "https://harvest.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"harvest": {
"type": "http",
"url": "https://harvest.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://harvest.usefulapi.io/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
harvest_list_time_entriesList time entries, optionally filtered by user, project, client, task, date range, running/billed status, or updated-since. Paginated. Harvest REST: GET /time_entries.
harvest_get_time_entryRetrieve a single time entry by id. Harvest REST: GET /time_entries/{id}.
harvest_list_projectsList projects, optionally filtered by active status or client, or updated-since. Paginated. Harvest REST: GET /projects.
harvest_get_projectRetrieve a single project by id. Harvest REST: GET /projects/{id}.
harvest_list_clientsList clients, optionally filtered by active status or updated-since. Paginated. Harvest REST: GET /clients.
harvest_get_clientRetrieve a single client by id. Harvest REST: GET /clients/{id}.
harvest_list_tasksList 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_usersList users in the account, optionally filtered by active status or updated-since. Paginated. Harvest REST: GET /users.
harvest_get_current_userRetrieve the currently authenticated user (whom the access token belongs to). Harvest REST: GET /users/me.
harvest_list_project_assignmentsList 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_invoicesList invoices, optionally filtered by client, project, state, date range, or updated-since. Paginated. Harvest REST: GET /invoices.
harvest_get_invoiceRetrieve a single invoice by id, including its line items. Harvest REST: GET /invoices/{id}.
harvest_list_estimatesList estimates, optionally filtered by client, state, date range, or updated-since. Paginated. Harvest REST: GET /estimates.
harvest_list_expensesList expenses, optionally filtered by user, client, project, date range, billed status, or updated-since. Paginated. Harvest REST: GET /expenses.
harvest_get_companyRetrieve the company/account settings for the authenticated account (name, currency, time/date formats, week start, feature flags). Harvest REST: GET /company.
harvest_create_time_entryCreate 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_pro
harvest_update_time_entryUpdate 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.
harvest_stop_time_entryStop a currently running time entry (no-op error if it is already stopped). Harvest REST: PATCH /time_entries/{id}/stop. WRITE — modifies data.
harvest_restart_time_entryRestart 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_delete_time_entryPermanently delete a time entry by id. This cannot be undone. Harvest REST: DELETE /time_entries/{id}. WRITE — destroys data.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 20 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.35.3) reached the registry yesterday.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, Symantec Cloud DLP AIops
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Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
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Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Use your Harvest account from Claude, Cursor, or any MCP client — read time entries, projects, clients, tasks and invoices, and log or update tracked time. Hosted, no local install: connect with your own credentials.
Live endpoint: https://harvest.usefulapi.io/mcp · Homepage: https://usefulapi.io
https://harvest.usefulapi.io/mcp.claude mcp add --transport http harvest https://harvest.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "harvest": { "url": "https://harvest.usefulapi.io/mcp" } } }
Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your Harvest credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/harvest/
On first connect you'll provide your Harvest personal access token and Account ID (id.getharvest.com → Developers). It is validated, stored per-user, and scoped to you — no keys in config files.
| Tool | Type | What it does |
|---|---|---|
harvest_list_time_entries | read | List time entries |
harvest_get_time_entry | read | Get time entry |
harvest_list_projects | read | List projects |
harvest_get_project | read | Get project |
harvest_list_clients | read | List clients |
harvest_get_client | read | Get client |
harvest_list_tasks | read | List tasks |
harvest_list_users | read | List users |
harvest_get_current_user | read | Get current user |
harvest_list_project_assignments | read | List my project assignments |
harvest_list_invoices | read | List invoices |
harvest_get_invoice | read | Get invoice |
harvest_list_estimates | read | List estimates |
harvest_list_expenses | read | List expenses |
harvest_get_company | read | Get company |
harvest_create_time_entry | write | Create time entry |
harvest_update_time_entry | write | Update time entry |
harvest_stop_time_entry | write | Stop running time entry |
harvest_restart_time_entry | write | Restart stopped time entry |
harvest_delete_time_entry | write | Delete time entry |
harvest_usage_status | meta | Usage status (free-tier meter) |
harvest_request_feature | meta | Request a missing feature |
harvest_upgrade | meta | Upgrade to Pro or Pro+ |
harvest_cancel_subscription | meta | Cancel the Pro subscription |
read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Pro | $9/mo or $90/yr (2 months free) | Unlimited* |
\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.
Pro covers this server only. Subscribe with harvest_upgrade (it returns a Stripe Checkout link). Cancel any time with harvest_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running harvest_upgrade before then undoes the cancel. Or write to support@usefulapi.io.
MIT — see LICENSE. Documentation only; the server is hosted.