Master MCP Server

# Environment Variables Environment variables can override configuration at load time. Key variables: ## Hosting - `MASTER_HOSTING_PLATFORM` → `hosting.platform` - `MASTER_HOSTING_PORT` → `hosting.port` - `MASTER_BASE_URL` → `hosting.base_url` ## Logging - `MASTER_LOG_LEVEL` → `logging.level` ## Master OAuth - `MASTER_OAUTH_ISSUER` → `master_oauth.issuer` - `MASTER_OAUTH_AUTHORIZATION_ENDPOINT` → `master_oauth.authorization_endpoint` - `MASTER_OAUTH_TOKEN_ENDPOINT` → `master_oauth.token_endpoint` - `MASTER_OAUTH_JWKS_URI` → `master_oauth.jwks_uri` - `MASTER_OAUTH_CLIENT_ID` → `master_oauth.client_id` - `MASTER_OAUTH_CLIENT_SECRET` → `master_oauth.client_secret` (stored as `env:MASTER_OAUTH_CLIENT_SECRET`) - `MASTER_OAUTH_REDIRECT_URI` → `master_oauth.redirect_uri` - `MASTER_OAUTH_SCOPES` → comma-separated list → `master_oauth.scopes[]` - `MASTER_OAUTH_AUDIENCE` → `master_oauth.audience` ## Servers (bulk) - `MASTER_SERVERS` → JSON array of servers - `MASTER_SERVERS_YAML` → YAML array of servers ## Config discovery and env - `MASTER_CONFIG_PATH` → explicit path to YAML/JSON config file - `MASTER_ENV` / `NODE_ENV` → selects env-specific overrides and affects runtime behavior ## Secrets & Tokens - `MASTER_CONFIG_KEY` (or `MASTER_SECRET_KEY`) → decrypts `enc:gcm:` config values - `TOKEN_ENC_KEY` → encrypts stored delegated/proxy tokens (REQUIRED in production) See `.env.example` for a template.