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Search Narcotics Anonymous meetings worldwide via the BMLT directory.
Search Narcotics Anonymous meetings worldwide via the BMLT directory.
Remote endpoints: streamable-http: https://mcp.bmlt.app/mcp
Valid MCP server (1 strong, 1 medium validity signals). 3 known CVEs in dependencies (0 critical, 2 high severity) Imported from the Official MCP Registry.
6 tools verified · Open access · 3 issues found
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Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-bmlt-enabled-bmlt-server-mcp": {
"url": "https://mcp.bmlt.app/mcp"
}
}
}From the project's GitHub README.
A streamable HTTP Model Context Protocol server that exposes BMLT (Basic Meeting List Toolbox — the Narcotics Anonymous meeting directory) as a set of read-only tools that AI assistants can call directly.
BMLT hosts approximately 85% of Narcotics Anonymous meetings worldwide; the default backend is the BMLT aggregator, which federates every public BMLT root server (server list) into a single search surface — effectively the authoritative AI-accessible source for finding NA meetings.
MCP is an open protocol, so any compatible client works: Claude (Code, Desktop, web), ChatGPT (Connectors and the Responses API), Google Gemini, Cursor, Windsurf, Zed, Cline, Continue, and others.
Unlike the npm bmlt-mcp-server (stdio-only, runs as a local subprocess), this server speaks MCP over HTTP and is meant to be hosted once and consumed remotely.
Built on Laravel + PHP 8.2+ using the official laravel/mcp package.
A live deployment runs at https://mcp.bmlt.app/ (landing page) with a tools reference at https://mcp.bmlt.app/reference.
All tools are read-only and idempotent. All tools accept an optional root_server_url argument; if omitted, the configured BMLT_ROOT_SERVER_URL is used.
| Tool | What it does |
|---|---|
search_meetings | Search meetings by address (geocoded server-side) or lat/lng + radius, filtered by weekday, time, format, venue type (in-person / virtual / hybrid), service body, and free text. Returns a curated summary by default (data_format=full for the raw BMLT response). |
get_meeting | Fetch a single meeting by its BMLT id_bigint. |
list_formats | List meeting format codes (Open, Closed, Speaker, Beginners, language tags, …) so callers can map names → IDs for search_meetings. |
list_service_bodies | List zones / regions / areas / groups so callers can map names → IDs for search_meetings. |
get_server_info | Capabilities, version, languages, and default coordinates for the configured root server. |
list_root_servers | Public BMLT root servers known to the aggregator. Useful when the caller wants to switch roots. |
cp .env.example .env
docker compose up --build
The MCP endpoint is then live at http://localhost:8080/mcp over the Streamable HTTP transport.
composer install
cp .env.example .env
php artisan key:generate
php artisan serve # http://localhost:8000/mcp
php artisan mcp:inspector
Then connect to http://localhost:8000/mcp (or :8080 for Docker) and list tools.
All configuration lives in .env (see .env.example). The interesting bits:
| Variable | Purpose |
|---|---|
BMLT_ROOT_SERVER_URL | Required. Default BMLT root server, including /main_server path. |
BMLT_ALLOWED_ROOTS | Comma-separated allowlist for the optional root_server_url tool argument. The default root is always implicitly allowed. |
BMLT_ALLOW_ANY_ROOT | true allows any URL via root_server_url — not recommended in production (enables SSRF-style queries). Off by default. |
BMLT_AGGREGATOR_URL | Aggregator queried by list_root_servers. Defaults to the public aggregator. |
GEOCODER | nominatim (default), google, or null. null rejects address inputs and requires lat/lng. |
NOMINATIM_USER_AGENT | Identifies your deployment to OSM — required by Nominatim's ToS. Always set this in production. |
GOOGLE_GEOCODER_API_KEY | Required when GEOCODER=google. |
The optional root_server_url tool argument lets a single deployment serve any BMLT root, but accepting arbitrary URLs would let callers turn the server into an SSRF probe against your network. The default is a strict allowlist (the configured default root, plus anything you add to BMLT_ALLOWED_ROOTS). Set BMLT_ALLOW_ANY_ROOT=true only when the server is isolated from anything sensitive.
The endpoint of a deployed instance is https://your-host.example.com/mcp. Replace it below with your own host (or use https://mcp.bmlt.app/mcp to try the public instance).
claude mcp add --transport http bmlt https://your-host.example.com/mcp
Settings → Connectors → Add custom connector → paste the URL.
{
"mcpServers": {
"bmlt": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://your-host.example.com/mcp"]
}
}
}
{
"tools": [
{
"type": "mcp",
"server_label": "bmlt",
"server_url": "https://your-host.example.com/mcp"
}
]
}
In ChatGPT itself (Pro/Business/Enterprise): Settings → Connectors → Add, using the same URL.
All of these read an mcpServers block. For Cursor, edit ~/.cursor/mcp.json (or the project-local .cursor/mcp.json); other clients use a similar config file.
{
"mcpServers": {
"bmlt": {
"url": "https://your-host.example.com/mcp"
}
}
}
For per-tool parameter documentation and BMLT-API mappings, see the live reference page. For day-to-day commands on a deployed instance (log tailing, usage summaries, cache clears, upgrades), see docs/operations.md.
The default config has no auth — anyone who can reach /mcp can call the tools. To gate it:
// routes/ai.php
use Laravel\Mcp\Facades\Mcp;
Mcp::oauthRoutes(); // OAuth 2.1 (Laravel Passport)
Mcp::web('/mcp', BmltServer::class)
->middleware('auth:api');
Or add a simple bearer-token check via custom middleware. See the Laravel MCP docs for the full options.
app/
├── Mcp/
│ ├── Servers/BmltServer.php # Registers the 6 tools
│ └── Tools/
│ ├── SearchMeetingsTool.php
│ ├── GetMeetingTool.php
│ ├── ListFormatsTool.php
│ ├── ListServiceBodiesTool.php
│ ├── GetServerInfoTool.php
│ ├── ListRootServersTool.php
│ └── Concerns/ResolvesBmltClient.php
├── Services/
│ ├── Bmlt/
│ │ ├── BmltClient.php # Wraps client_interface/json
│ │ ├── BmltClientFactory.php # Allowlist enforcement
│ │ └── BmltException.php
│ └── Geocoding/
│ ├── Geocoder.php # Interface
│ ├── GeocoderManager.php # Driver resolver
│ ├── NominatimGeocoder.php # OSM (rate-limited, cached)
│ ├── GoogleGeocoder.php # Google Geocoding API
│ ├── NullGeocoder.php # Disabled
│ ├── GeocodingResult.php
│ └── GeocodingException.php
└── Providers/BmltServiceProvider.php
config/bmlt.php # All knobs
routes/ai.php # Mcp::web('/mcp', BmltServer::class)
The HTTP API wrapped by BmltClient is formally specified by the
BMLT Semantic OpenAPI document
(OpenAPI 3.1) — refer to it for every parameter, response shape, and field definition
that BMLT itself supports, even if this MCP server doesn't yet expose it as a tool argument.
MIT
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