Schema | jikan

Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description	Default
`MG_API_KEY`	Yes	An API key from mg.robnugen.com/settings/

Capabilities

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Tools

Functions exposed to the LLM to take actions

Name	Description
start_session	Start a new behavioral session. Costs 1 credit. `The server records the current time automatically — the agent does not need to track time. Returns the new session including its ak_id, which you need to stop or check the session later. Args: activity_id: Activity type ID (default 1 = Meditation). Use list_activities to see all options. timezone: IANA timezone name, e.g. 'Asia/Tokyo' (default UTC). intended_sec: Planned duration in seconds (default 0 = open-ended).`
stop_session	Stop an active session. Free (0 credits). `The server computes actual_sec automatically using the stored start time. The agent does not need to track elapsed time. Args: ak_id: The session ID returned by start_session.`
check_session	Get details for a single session, including elapsed_sec if active. Free (0 credits). `Args: ak_id: The session ID to look up.`
list_sessions	List completed and active sessions. Free (0 credits). `Args: from_date: Start date filter in YYYY-MM-DD format (optional). to_date: End date filter in YYYY-MM-DD format (optional). activity_id: Filter by activity type ID (optional, 0 = no filter). limit: Number of results to return (default 20, max 50). offset: Pagination offset (default 0).`
get_stats	Get pre-computed session aggregates. Costs 1 credit. Returns total sessions, total seconds, current streak in days, and credits remaining. Offloads all calendar arithmetic to the server.
list_activities	List available activity types (FREE, PUBLIC, and your PRIVATE). Free (0 credits).
create_activity	Create a custom PRIVATE activity visible only to your account. Free (0 credits). `Args: activity_name: Name for the new activity (max 64 characters). description: Optional description of the activity.`

Prompts

Interactive templates invoked by user choice

Name	Description
No prompts

Resources

Contextual data attached and managed by the client

Name	Description
No resources

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Server Configuration

Capabilities

Tools

Prompts

Resources

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