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Maci for AI assistants (MCP)

Connect Maci to an assistant that speaks the Model Context Protocol and ask about your refrigeration units in your own words:

• Which of our units are due a leak check in November?
• Are there open alarms at the Vesterbro store, and has anyone taken them?
• When was MC-0482 last serviced, and what was done?

https://mcp.maci.energy/mcp

The server is read only. It reads through Maci's API, so the assistant sees what your organisation may see in Maci and nothing more, and every tool call counts as an API call. The full guide is at api.maci.energy/docs/ai-assistants.

Connect

Claude (claude.ai and the desktop app): Settings → Connectors → Add custom connector. Name it Maci, paste the address above and choose Connect.

ChatGPT: Settings → Connectors, add a custom connector with the address above. (ChatGPT may ask you to turn on developer mode for custom connectors.)

Claude Code:

claude mcp add --transport http maci https://mcp.maci.energy/mcp

Then run /mcp in Claude Code and choose Maci to log in.

Cursor, VS Code and others: see clients.md.

In each case the assistant sends you to Maci. Log in as always, choose the organisation and say yes with your passkey. Only an organisation's admin can connect it.

Tools

Tool	What it gives	Scope
list_sites	The organisation's sites, and customers' sites it has units on through a grant	units:read
list_units	The units it works with, filtered by site, status or what changed since a time	units:read
get_unit	One unit's passport: master data, nameplate, refrigerant, charge, CO2 equivalent, components	units:read
list_components	A unit's components	units:read
list_service_entries	A unit's service history	service:read
get_fgas_status	A unit's leak check status: interval, last check, next due (needs Maci Service)	fgas:read
list_fgas_entries	A unit's F-log (needs Maci Service)	fgas:read
list_alarms	Alarms from Maci Intelligence, filtered by open, unit or since a time	alarms:read
get_alarm	One alarm with its values, who took it and how it was closed	alarms:read
get_usage	This month's calls and the limit	any

Lists come in pages of up to 100; the assistant follows next_cursor by itself.

Skills

Instructions that walk the assistant through a task, step by step. Give one to the assistant (in Claude: add it as a skill, or paste it into the conversation) and ask for the task.

Skill	What it does
Leak check plan	The units due a leak check in a period, by site, with the overdue ones first
F-gas overview	Refrigerant, charge and CO2 equivalent by site, and the units without a leak check status
Alarm report	A period's alarms: how many, how fast they were taken, how many were false
Before a visit	What a technician should know before going to a unit

More examples of questions: prompts.md.

Your data

The assistant reads only, and only what your organisation may see. What it reads goes to the assistant you chose and its provider, so connect only an assistant your organisation is allowed to use. Each connection is listed in the app under Konto → API-nøgler, "Forbundne AI-assistenter", with who made it and when it was last used. Removing it stops it at once, and a connection that is not used for 30 days ends by itself.

For developers

The server follows the MCP specification of 2026-07-28: Streamable HTTP, OAuth 2.1 with PKCE (S256), Client ID Metadata Documents and dynamic client registration, with app.maci.energy as the authorization server. Details in the guide.