Search for Narcotics Anonymous meetings in the BMLT database.

Returns a list of meetings matching the given filters. All filters are optional — omitting them returns all meetings for the default service body.

Args:

• root_server_url (string, optional): BMLT root server URL. Defaults to "https://bmlt.wszf.org/main_server"

• service_body_ids (number[], optional): Filter by service body IDs. Defaults to [26] (Portland NA)

• weekdays (string[], optional): Filter by day(s) of week. Accepts day names like "Monday", "tuesday", or numbers 1–7 (1=Sunday)

• formats (string[], optional): Filter by format codes, e.g. ["O"] for Open, ["VM"] for Virtual, ["C"] for Closed

• meeting_name (string, optional): Search meetings by name (partial match)

• lat (number, optional): Latitude for geo search. Requires lng.

• lng (number, optional): Longitude for geo search. Requires lat.

• radius_miles (number, optional): Search radius in miles when using lat/lng. Default: 10

• start_time_min (string, optional): Only meetings starting at or after this time, format "HH:MM" (24h)

• start_time_max (string, optional): Only meetings starting at or before this time, format "HH:MM" (24h)

• response_format (string, optional): "markdown" (default) or "json"

Returns: Formatted list of meetings with name, day, time, location, formats, and links.

Examples:

• "Show all Portland NA meetings on Friday" → weekdays: ["Friday"]

• "Find open meetings near downtown Portland" → formats: ["O"], lat: 45.5231, lng: -122.6765

• "Virtual meetings this week" → formats: ["VM"]

• "Morning meetings" → start_time_max: "12:00"

Retrieve all meeting format codes and their descriptions from a BMLT root server.

Formats describe the type of meeting — e.g. "O" = Open, "C" = Closed, "VM" = Virtual Meeting, "BT" = Book Study, "D" = Discussion, "SP" = Speaker, "WC" = Wheelchair Accessible.

Use this to:

• Discover what format codes are available before filtering a meeting search

• Explain what a format code means to a user

• List all available meeting types on the server

Args:

• root_server_url (string, optional): BMLT root server URL. Defaults to "https://bmlt.wszf.org/main_server"

• response_format (string, optional): "markdown" (default) or "json"

Returns: List of format codes, names, and descriptions.

Retrieve all service bodies (NA regions, areas, districts) from a BMLT root server.

Service bodies are the organizational units that manage meeting data in BMLT. Knowing the ID of a service body lets you filter meeting searches to a specific area.

Use this to:

• Discover service body IDs for use in bmlt_search_meetings

• See the hierarchy of areas served by a root server

• Find a specific area's helpline or website

Args:

• root_server_url (string, optional): BMLT root server URL. Defaults to "https://bmlt.wszf.org/main_server"

• response_format (string, optional): "markdown" (default) or "json"

Returns: List of service bodies with IDs, names, types, URLs, and helplines.

Example: Portland NA has service body ID 26 on the WSZF root server.

Retrieve metadata about a BMLT root server, including version and geographic center.

Use this to verify a server is reachable, check its version, or get its default center coordinates.

Args:

• root_server_url (string, optional): BMLT root server URL. Defaults to "https://bmlt.wszf.org/main_server"

Returns: Server version, center lat/lng, default zoom level, and region bias.

Retrieve full details for a specific NA meeting by its BMLT meeting ID.

Use this after bmlt_search_meetings to get the complete record for a specific meeting.

Args:

• meeting_id (number): The BMLT meeting ID (the "id_bigint" field from search results)

• root_server_url (string, optional): BMLT root server URL. Defaults to "https://bmlt.wszf.org/main_server"

• service_body_ids (number[], optional): Service body IDs to scope the search. Defaults to [26]

• response_format (string, optional): "markdown" (default) or "json"

Returns: Full meeting record including name, day, time, location, formats, virtual links, and all metadata fields.