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Two ways to run it, both free to start. Open mcp.zovo.one/mcp/connect, copy the time-tracker URL and paste it into any client that takes a URL. It already carries a free token, so there is nothing to install, no account and no header to set. The URL is https://mcp.zovo.one/mcp/time-tracker/t/<token>. The token is not optional: the bare https://mcp.zovo.one/mcp/time-tracker connects and lists its tools and then answers every tool call with HTTP 401, so use the link from /mcp/connect or send Authorization: Bearer <token>. Or download time-tracker.mcpb and double-click it in Claude Desktop.
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Track billable time without leaving your AI chat. Say "start a timer on the acme redesign", keep working, then ask for "my hours this week by project" or "invoice lines for acme in August". It keeps a running timer, lets you log time you forgot to track, applies your hourly rate per project, and turns the result into a report, a CSV file or a set of invoice line items. Everything is stored as plain JSON on your own machine.
Built by theluckystrike.
In the official MCP Registry (io.github.theluckystrike/time-tracker-timesheet-billable-hours).
Listed on the AI Product Index - live remote endpoint at mcp.zovo.one/s/time-tracker, free tier, no signup.
Track billable time from chat and turn it straight into a report or invoice line items, zero setup, all local.
npm publish for @theluckystrike/mcp-time-tracker is pending. Until then, the .mcpb one-click bundle or a clone+build
is the working path, both are verified below.
One-click (.mcpb): download time-tracker.mcpb from the latest release and double-click it in Claude Desktop:
https://github.com/theluckystrike/mcp-servers/releases/latest
(claude_desktop_config.json):
{
"mcpServers": {
"time-tracker": {
"command": "npx",
"args": ["-y", "@theluckystrike/mcp-time-tracker"]
}
}
}
Claude Code:
claude mcp add time-tracker -- npx -y @theluckystrike/mcp-time-tracker
(.cursor/mcp.json):
{
"mcpServers": {
"time-tracker": {
"command": "npx",
"args": ["-y", "@theluckystrike/mcp-time-tracker"]
}
}
}
The npx form above starts working the moment the package is published. Until then, use the .mcpb bundle above, or
build from source with exactly these three commands:
git clone https://github.com/theluckystrike/mcp-servers.git && cd mcp-servers
npm install
npm run build -w packages/mcp-license -w servers/time-tracker
Then point your client's command at node with one arg: the absolute path to servers/time-tracker/dist/index.js.
To run in Pro mode set MCP_LICENSE_KEY in the same config block, or call license_activate once with your key.
| Tool | What it does |
|---|---|
timer_start |
Start a timer on a project (optional task, tags, rate, currency). Starting a new one stops and logs the old one. A partial project name that matches exactly one existing project is used as that project. |
timer_stop |
Stop the running timer, write the entry, return the duration. |
timer_status |
What is running, for how long, and today's total. |
entry_add |
Log time you already worked (start plus end or minutes), with an optional rate and currency: rate "90 euros an hour" bills as EUR 225.00 for 2.5 h. Partial project names resolve like timer_start. |
entry_list |
Compact table of entries, filtered by date range and project. |
entry_edit |
Change any field of an entry. |
entry_delete |
Delete an entry by id. |
project_set_rate |
Set the hourly rate and currency used for money totals (currency accepts codes or words: EUR, euros, pounds, zl). apply_to_existing: true re-rates time already logged for that project; add only_missing: true to touch only entries that carry no rate. |
report |
Hours and money for a period, optionally grouped by project, day, task or tag; omit group_by for the plain total per currency. Table, JSON or CSV. Hours already invoiced are left out; pass unbilled_only: false for the full timesheet. |
export_csv |
Write entries to a CSV file and return the path. |
invoice_summary |
Invoice-ready line items for one project: hours, rate, amount, total, in the currency the time was logged in. One line per task and rate, so no line ever shows a blended rate nobody agreed. Returns the entry_ids behind the lines, and skips hours already invoiced (unbilled_only: false includes them). Free for the last 7 days, Pro for any period from full history. |
entry_mark_billed |
Stamp the hours that went on an invoice with its number (ids from invoice_summary, or project + from + to), so report and invoice_summary stop offering them and the same hours are never billed twice. |
license_status |
Free or Pro, and where to upgrade. |
license_activate |
Activate a Pro key (verified offline). |
Also exposed: the resource timetracker://today (today's summary) and the prompt daily_standup
(writes a standup update from yesterday's and today's tracked time).
No tool names required. These are the sentences that were actually tested against the server; the tool column is what answered them.
| You say | Tool |
|---|---|
| "Start a timer for the Acme website project." | timer_start |
| "Stop the timer and tell me how long I worked." | timer_stop |
| "What's running right now, and for how long?" | timer_status |
| "Log 2.5 hours yesterday for Acme, design review, at 90 euros an hour." | entry_add |
| "Show me my Acme entries for this week." | entry_list |
| "That last entry should say API refactor, not design review." | entry_edit |
| "Delete the entry I just logged twice." | entry_delete |
| "Set my rate for Acme to 90 EUR an hour." | project_set_rate |
| "How many hours did I bill this month, grouped by project?" | report |
| "Give me invoice lines for Acme in August." | invoice_summary |
| "I invoiced those hours as INV-2026-0001." | entry_mark_billed |
Two more worth knowing: "export my time to a CSV for my bookkeeper" (export_csv) and "write my standup
update from yesterday and today" (the daily_standup prompt).
This is a real transcript from the audit in docs/USER_VALUE_R2.md, numbers unchanged.
You: Log 2.5 hours yesterday for Acme, design review, at 90 euros an hour.
entry_add { project: "Acme", ... }
-> "Acme" resolved to the existing project "Acme website"
-> rate "90 euros an hour" parsed as EUR 90.00/h
Assistant: Logged 2.50 h for Acme website - design review at EUR 90.00/h = EUR 225.00.
You: How much do I bill Acme this week? Give me invoice lines.
invoice_summary { project: "Acme website", from: "2026-08-31", to: "2026-09-02" }
Assistant: Invoice summary - Acme website
design review 2.50 h EUR 90.00/h EUR 225.00
TOTAL 2.50 h EUR 225.00
One call each. The rate carries its currency all the way through: the report never prints a bare "225", and it never turns into "$225" by accident.
A second worked example, the weekly report and the daily_standup prompt:
You: How many hours did I put into Acme this week, grouped by task?
report { project: "Acme website", from: "2026-08-27", to: "2026-09-02", group_by: "task" }
Assistant: Acme website, 2026-08-27 to 2026-09-02
design review 2.50 h EUR 225.00
TOTAL 2.50 h EUR 225.00
You: Write my standup update.
(prompt) daily_standup
Assistant: Yesterday: 2.50 h on Acme website (design review).
Today: nothing logged yet.
An hour that has been invoiced is finished. entry_mark_billed {ids, invoice_number} writes
billed_at and billed_invoice onto those entries; from then on report and invoice_summary
skip them by default, so next month's "invoice Acme" cannot re-bill work already paid for. The
whole timesheet is still there: pass unbilled_only: false to any of them. invoice_summary
returns the entry_ids it used precisely so they can be handed straight to entry_mark_billed
once the invoice exists.
report and invoice_summary answer overlapping questions on purpose: report is for "how much time
and money," grouped any way you like; invoice_summary is for "give me the lines I can put on an
invoice," which is a narrower, invoice-shaped view of the same entries for one project.
Entries, projects and rates live in one JSON file:
${XDG_DATA_HOME:-~/.local/share}/mcp-servers/time-tracker/data.json.
Every write (starting or stopping a timer, adding, editing or deleting an entry, setting a rate) happens
under an advisory lock file at .../time-tracker/.lock, held across the whole load-mutate-save cycle, so
two overlapping calls cannot interleave and corrupt the file. The save itself writes to a temporary file
and renames it into place, so a crash or a killed process mid-write leaves either the old file or the new
one, never a half-written one. Reads (entry_list, report, timer_status, export_csv) do not take
the lock.
To back up your data, copy the single data.json file (and .lock if present, though it holds no data).
There is no database and no hidden second file.
If data.json is ever unreadable or not valid JSON, the server does not treat that as "no data yet".
It moves the file aside byte-for-byte as data.json.corrupt-<timestamp>, writes a data.json.corrupt
marker and makes every tool, reads included, return data file is corrupt; moved to ...; nothing was written. Restore a good data.json (the quarantined copy is right there) and delete the marker file to
carry on. Nothing is overwritten in the meantime.
2026-09-02T09:00:00 means 09:00 where you are, not
UTC. Pass an explicit offset (2026-09-02T09:00:00+02:00) or a trailing Z and it is honoured exactly.from: "2026-09-01" is 00:00:00 local on the 1st and
to: "2026-09-30" is 23:59:59.999 local on the 30th, so a month reported by dates includes its last
day. Timestamps with a time are used as given.from or ends after to counts for
the part inside the period, not all of it and not none of it.timer_status counts only the part of an
entry, or of the running timer, that falls after midnight today."1,200 USD" is 1200 (a comma followed by exactly three
digits is thousands grouping), "12,50 EUR" is 12.50 (the unambiguous European decimal shape), and
"1.200,50" is 1200.50. Anything that could mean either thing, such as "1,2345", is refused with a
worked example instead of being read as the wrong number.entry_add and timer_stop store the effective hourly
rate and currency on the entry, and reports and invoices use that stored rate. project_set_rate
therefore applies to future entries only; pass apply_to_existing: true to re-rate the time already
logged for that project. That re-stamps EVERY entry of the project, including entries that already
carry a rate, and the response says how many changed and the project's new total. Add
only_missing: true to touch only entries that captured no rate of their own.group_by: "tag" an entry tagged dev and meeting appears in both rows; the
total is computed from the entries once, so it is never the sum of the rows.entry_list, report, export_csv and invoice_summary only see the last 7 days. Timers and
entries themselves are unlimited and nothing is ever deleted, the window just narrows what a free
call can read back.report grouping is free, tag included: the tag total is a correctness fix, not a premium
feature. group_by itself is optional, omit it for the plain total per currency.npx hangs or fails to find the package: npm publish for this package is pending. Use the .mcpb
bundle or the clone-and-build path above until it lands..mcpb bundle: it installs into Claude Desktop directly; there is no separate path to
configure.servers/time-tracker/dist/index.js after
npm run build. Point your client's command at node with that absolute path as the only argument.node -v.--mcp-debug or check the terminal you launched it from.license_status to see what the server thinks your tier is, and
confirm MCP_LICENSE_KEY is set in the same process the client launches (not just your shell).All data stays local: entries live in ${XDG_DATA_HOME:-~/.local/share}/mcp-servers/time-tracker/data.json.
The server makes no network requests, has no telemetry, and needs no account. License keys are Ed25519
signatures verified offline against a public key compiled into the package, activation works with no
internet connection.
invoice_summary output straight into a numbered PDF invoice.export_csv and query or reshape it.Yes. All three speak MCP over stdio with the same config shape; the tools and the data file are identical regardless of client.
Nothing is deleted. The entry stays in data.json forever; it just will not appear in entry_list,
report, export_csv or invoice_summary results until you activate Pro, which opens full history.
Yes. Currency is set per project (or per entry, overriding the project default) and every total is grouped by currency, a report never adds EUR and USD together.
The server does not block overlaps; it logs what you tell it. entry_edit lets you fix a mistake after
the fact.
No. There are no network calls anywhere in this server, including for license activation, which is verified with a local public key.
MIT
Your identity is stored once, at ${XDG_DATA_HOME:-~/.local/share}/mcp-servers/profile/business.json,
and every server in the suite reads it: the invoice issuer, the docx letterhead, the recurring
issuer, expense-tracker's default VAT rate, time-tracker's and timezone's home zone, and the
resume and contract letterheads. Set it once with business_set (invoice or docx) - you never
repeat it anywhere else. An email address is only ever taken from that profile or from an explicit
argument; when none is stored, documents show [add: email] and the tool says so rather than
letting anyone improvise an address.
Yes. The time-tracker server at mcp.zovo.one is a free MCP time tracking server with no install: start and stop timers in chat, keep per-client totals, and produce weekly reports. Unlike SaaS trackers (WebWork, TrackingTime) it needs no account - paste the hosted URL and go.
Connect https://mcp.zovo.one/mcp/time-tracker (tokenized URL from mcp.zovo.one/mcp/connect) and say: 'Start a timer for the Acme project.' Stop it later the same way; weekly summaries are one ask away.
Any MCP client (Claude, Cursor, Windsurf, VS Code) can read this repository's documentation directly via GitMCP - no install:
Three prompts that scored 3 of 3, measured in round 5, 2026-09-03. Paste one in as it is written.
I forgot to track yesterday: I worked 9 to 12:30 on the Nova redesign and 2 to 5 on Nova bug fixes, my rate for Nova is 85 USD.
Paste this into Claude with the server connected.
What it did, measured in round 5, 2026-09-03: entry_add x2 with explicit start/end/rate/currency.
Show me a standup summary for yesterday and today.
Paste this into Claude with the server connected.
What it did, measured in round 5, 2026-09-03: entry_list {from 2026-09-02T00:00:00, to 2026-09-03T23:59:59}.
Export my Nova time as CSV for last month.
Paste this into Claude with the server connected.
What it did, measured in round 5, 2026-09-03: export_csv {from 2026-08-01, to 2026-08-31, project: Nova} -> 'Wrote 0 entries' plus the free-tier note.
On the free tier for this path: Unlimited timers and entries; reports, lists and CSV cover the last 7 days; 2 projects with rates. Currency per entry (EUR, USD, GBP, PLN).
Or the 48-server bundle for $39.
Exact config path, entry and caveats: Claude Desktop · Claude Code · Cursor · VS Code · Windsurf · Cline · Claude.ai and Claude Desktop connectors · all clients
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