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The best time tracking apps with an MCP server for AI assistants

An MCP server lets an AI assistant such as ChatGPT or Claude work in an app for you: track an hour, list a project's time, or say what is not invoiced yet. This list ranks the time tracking apps of our comparison pages that have one, and then by what else the assistant can reach.

By Fred Wu, maker of Hourbun · Hourbun is our app · Checked · Report a mistake

The short answer

By our rule, the top three are Hourbun, Harpoon and Harvest. Hourbun has all 4 features of the list, for $15 a month for 2 people. Hourbun is our app, and it is first by the same rule as every other app.

The rule

How we rank

One rule ranks every app, from the facts of its comparison page. No app pays to be here.

  1. On the list: each app of our comparison pages that has an MCP server for AI assistants on some plan, with a published price for 2 people.
  2. First by “An MCP server for AI assistants”: Yes before Partly, Higher plan or Add-on.
  3. Then by how many of the 4 features of each entry are Yes, and then by how many are not No.
  4. Then by the price for 2 people a month, lowest first, and then by name.
  5. The same rule ranks Hourbun, our app. The top 10 are on the page.

The list

10 apps, with an MCP server

  1. 1. Hourbun Our app

    Freelancers, consultants and small teams who bill their clients by the hour

    Hourbun’s plans

    2 people, a month

    $15

    Duo

    An MCP server for AI assistants
    Yes ChatGPT, Claude and others connect with its address and one sign-in, on every plan
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes By card or bank debit, into your own Stripe account
    A public API
    Yes REST and signed webhooks, on every plan

  2. 2. Harpoon

    Agencies and freelancers that want yearly revenue goals and forecasts beside time tracking and invoicing

    Hourbun vs Harpoon

    2 people, a month

    $19

    Freelancer

    An MCP server for AI assistants
    Yes A remote MCP server with sign-in, read and write, on every plan
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes Through Stripe: cards, Apple Pay, Google Pay, Link and Cash App Pay, and ACH bank transfers in the US
    A public API
    Yes An API and Zapier

  3. 3. Harvest

    Teams that want desktop, mobile and browser apps, QuickBooks Online or project-tool integrations

    Hourbun vs Harvest

    2 people, a month

    ≈ $130

    Teams · estimate

    An MCP server for AI assistants
    Yes A remote MCP server with sign-in: it reads and writes time, and makes draft invoices
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes Through Stripe or PayPal
    A public API
    Yes

  4. 4. Everhour

    Teams that plan their work in Asana, Jira, ClickUp, Trello or another project tool and want to track time inside it

    Hourbun vs Everhour

    2 people, a month

    $50

    Team

    An MCP server for AI assistants
    Yes A remote MCP server with sign-in, read and write, on every plan, Free included
    Invoices from tracked time
    Yes
    Online payment of an invoice
    No
    A public API
    Yes

  5. 5. TimeCamp

    Teams that want automatic time tracking, attendance and desktop and mobile apps, with a free plan to start

    Hourbun vs TimeCamp

    2 people, a month

    $10.98

    Starter

    An MCP server for AI assistants
    Yes A remote MCP server on every plan, for time and projects; no invoices yet
    Invoices from tracked time
    Higher plan From Starter, with the rate set on each line; billing rates on Ultimate
    Online payment of an invoice
    Partly Through a PayPal account that you connect, from Starter
    A public API
    Yes On every plan

  6. 6. Teamwork.com

    Agencies and services teams that want projects, resource planning and time tracking in one app

    Hourbun vs Teamwork.com

    2 people, a month

    $149.95

    Accelerate

    An MCP server for AI assistants
    Yes A remote MCP server with sign-in, read and write, on every plan
    Invoices from tracked time
    Higher plan From the Accelerate plan
    Online payment of an invoice
    No
    A public API
    Yes 150 requests a minute on the Free, Basics and Accelerate plans

  7. 7. Toggl

    Teams that want time tracking with planning and capacity, and that invoice in another tool

    Hourbun vs Toggl

    2 people, a month

    $24

    Starter, with no client invoices

    An MCP server for AI assistants
    Yes A remote MCP server with sign-in, read and write, on every plan, Free included
    Invoices from tracked time
    No Exports billable time as CSV, XLSX or PDF for another invoicing tool
    Online payment of an invoice
    No
    A public API
    Yes On every plan; on Free, 30 report-data requests a month

  8. 8. Avaza

    Teams that want projects, tasks, scheduling, chat, timesheets and invoicing in one app

    Hourbun vs Avaza

    2 people, a month

    $11.95

    Startup

    An MCP server for AI assistants
    Higher plan A remote MCP server, read and write, on the paid plans
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes Stripe, PayPal or Payoneer; cards, wallets and bank debits through Stripe
    A public API
    Yes

  9. 9. Bonsai

    Freelancers and agencies that want a CRM, proposals, contracts, projects and invoices in one app

    Hourbun vs Bonsai

    2 people, a month

    $50

    Essentials

    An MCP server for AI assistants
    Partly In beta: a remote MCP server with sign-in, read and write
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes By card or bank transfer through Bonsai Payments or Stripe, or by PayPal
    A public API
    Yes

  10. 10. FreshBooks

    Freelancers and small businesses that want invoicing, payments and accounting in one app

    Hourbun vs FreshBooks

    2 people, a month

    $54

    Plus

    An MCP server for AI assistants
    Partly Read-only connectors for Claude and ChatGPT
    Invoices from tracked time
    Yes
    Online payment of an invoice
    Yes By card, ACH bank transfer, Apple Pay, Google Pay and Buy Now, Pay Later, on every plan
    A public API
    Yes
  • USD list prices, billed monthly
  • ≈ marks an estimate
  • The example: 2 people · 8 clients · 10 projects · 8 tasks · 10 invoices and $16k invoiced a month

Questions

Questions and answers

What are the best time tracking apps with an MCP server for AI assistants?

By our rule, the top three are Hourbun, Harpoon and Harvest. Hourbun has all 4 features of the list, for $15 a month for 2 people. Hourbun is our app, and it is first by the same rule as every other app.

Which app on this list costs the least for 2 people?

On this list, TimeCamp costs the least for 2 people: $10.98 a month on its Starter plan. Hourbun, our app, costs $15 a month on its Duo plan.

How is this list ranked?

On the list: each app of our comparison pages that has an MCP server for AI assistants on some plan, with a published price for 2 people. First by “An MCP server for AI assistants”: Yes before Partly, Higher plan or Add-on. Then by how many of the 4 features of each entry are Yes, and then by how many are not No. Then by the price for 2 people a month, lowest first, and then by name. The same rule ranks Hourbun, our app. The top 10 are on the page.

Sources

  • Each fact comes from the comparison page of its app, which names its sources
  • A feature that no page of an app states is a No
  • Prices change: check the pricing page of each app

Harpoon, Harvest, Everhour, TimeCamp, Teamwork.com, Toggl, Avaza, Bonsai and FreshBooks are trademarks of their owners, and Hourbun is not affiliated with them.

Try Hourbun for free.

14 days, no card. Add a client, track your first hour, and send the invoice.