Chronicle Online MCP server

Read employees, absences, clockings, shifts and overtime in Chronicle Online. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect Chronicle OnlineFree 50 tool calls / monthPro $9/mo · $90/yr · pricing19 tools

What can I ask?

Turn on the Chronicle Online connector, then ask in plain words. The AI picks the tools.

What you can do with Chronicle Online in Claude and ChatGPT

For UK employers and HR or payroll teams that run time and attendance in Chronicle Online.

Find late clock-ins for a date range

List the real clockings and the scheduled shifts for a date range. Ask the assistant which employees clocked in late, and by how many minutes.

Review absences booked in a period

List the absence types, then the absences booked in a period. Check the absentee records to see the absence taken per employee.

Check overtime before payroll

List the daily and weekly overtime per employee for a date range. Use the work records to check the worked time behind each figure.

Plan staff cover from the shift rota

List the shift patterns and the shifts scheduled to employees between two dates. Group the staff by cost centre to see each team's cover.

Report on leavers by cost centre

List the employees who have left, and the cost centres used to group them. Use the result for a leavers report by team.

How do I connect Chronicle Online?

Before you connect

The login page asks for your Chronicle API Client ID and Chronicle API Client Secret.

Chronicle issues API credentials on request: ask your Chronicle Online account manager or support team for a Client ID and Client Secret (see chronicle-online.co.uk/api). They are used only to call the Chronicle API on your behalf; they are never shown to anyone.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name Chronicle Online and this URL, then click Add:
    https://chronicle-online.usefulapi.io/mcp
  3. Claude opens the login page: enter your Chronicle API Client ID and Chronicle API Client Secret.
  4. In a chat, click + → Connectors and turn on Chronicle Online.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name Chronicle Online and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://chronicle-online.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your Chronicle API Client ID and Chronicle API Client Secret.
  4. In Plugins, install Chronicle Online, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

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

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "chronicle-online": {
      "url": "https://chronicle-online.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "chronicle-online": {
      "type": "http",
      "url": "https://chronicle-online.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add chronicle-online --url https://chronicle-online.usefulapi.io/mcp
codex mcp login chronicle-online

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://chronicle-online.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: the login page asks for your Chronicle API Client ID and Chronicle API Client Secret. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Proper user$9/mo · $90/yr10,000 tool calls / month
Pro+per user$39/mo · $390/yr100,000 tool calls / month

Each paid plan covers this Chronicle Online server only. Ask your AI to run chronicleonline_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with chronicleonline_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with chronicleonline_upgrade before then undoes the cancel. Or write to [email protected].

Tools 19

Show all 19 tools (the AI picks them for you)

Read only · 15

  • List employeeschronicleonline_list_employees
    List employees (and contractors, visitors, agency staff) with their badge ids, names and cost centre. Good first call to find an employee id.
  • Get employeechronicleonline_get_employee
    Get one employee by id.
  • List absenceschronicleonline_list_absences
    List absences configured in Chronicle (for example holiday, sickness and other absence entries).
  • Get absencechronicleonline_get_absence
    Get one absence by id.
  • List absence typeschronicleonline_list_absence_types
    List the absence types (holiday, sickness, absence and others) that Chronicle uses.
  • List absentee recordschronicleonline_list_absentee_records
    List absentee records: the per-employee records of absence taken.
  • List clockingschronicleonline_list_real_clockings
    List real clockings: the IN and OUT punches recorded at the terminals and apps.
  • Get clockingchronicleonline_get_real_clocking
    Get one real clocking by id.
  • List shiftschronicleonline_list_shifts
    List shift patterns defined in Chronicle.
  • List scheduled shiftschronicleonline_list_scheduled_shifts
    List shifts scheduled to employees between two dates (both required).
  • List work recordschronicleonline_list_work_records
    List work records (worked time per employee) between two dates. Optional employee filter.
  • List daily overtimechronicleonline_list_daily_overtime
    List daily overtime per employee between two dates.
  • List weekly overtimechronicleonline_list_weekly_overtime
    List weekly overtime per employee between two dates.
  • List cost centreschronicleonline_list_cost_centres
    List cost centres used to group employees and time.
  • List leaverschronicleonline_list_leavers
    List employees who have left (leavers).

Your usefulapi plan · 4

  • Usage status (free-tier meter)chronicleonline_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featurechronicleonline_request_feature
    Tell usefulapi that the user needs something the Chronicle Online tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+chronicleonline_upgrade
    Get a paid plan for Chronicle Online (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptionchronicleonline_cancel_subscription
    Cancel the caller's Chronicle Online Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run chronicleonline_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with Chronicle Online in Claude or ChatGPT?

Find late clock-ins for a date range. Review absences booked in a period. Check overtime before payroll. Plan staff cover from the shift rota. Report on leavers by cost centre. See what you can do for the details.

Is this an official Chronicle Online product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by Chronicle Online. The server calls the Chronicle Online API with your own Chronicle Online access, so it sees only the data that your account can see.

Can I connect Chronicle Online to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your Chronicle API Client ID and Chronicle API Client Secret. See Before you connect for where to find them.

Do I put my Chronicle Online key or an Authorization header in the client config?

No. 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: the login page asks for your Chronicle API Client ID and Chronicle API Client Secret. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my Chronicle Online credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Chronicle Online API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Chronicle Online.

Can the AI change my Chronicle Online data?

All 15 Chronicle Online tools are marked read-only.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this Chronicle Online server only. Cancel any time: your paid plan then runs to the end of the paid period. Run chronicleonline_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run chronicleonline_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run chronicleonline_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a Chronicle Online tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with chronicleonline_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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