LangBot/src/langbot/templates/config.yaml

api:
    port: 5300
    webhook_prefix: 'http://127.0.0.1:5300'
    extra_webhook_prefix: ''
    # Canonical browser origin when WebUI and API use different origins in
    # development (for example http://localhost:3000). Production bundled UI
    # may leave this empty when webhook_prefix already has the browser origin.
    # OAuth redirects trust only these server-side values, never request Host
    # or Origin headers.
    webui_url: ''
    # Global API key for the HTTP service API and the MCP server. When set to a
    # non-empty string, this key is accepted anywhere a web-UI-created API key is
    # accepted (X-API-Key header or "Authorization: Bearer <key>"), WITHOUT any
    # login session and without a database record. Leave empty to disable.
    # Keep this value secret; only enable it on trusted/internal deployments.
    global_api_key: ''
command:
    enable: true
    prefix:
    - '!'
    - ！
    privilege: {}
concurrency:
    pipeline: 20
    session: 1
proxy:
    http: ''
    https: ''
system:
    instance_id: ''
    edition: community
    recovery_key: ''
    allow_modify_login_info: true
    disabled_adapters: []
    # Public outbound IP addresses of this LangBot deployment. Some platforms
    # (e.g. WeCom, WeChat Official Account, QQ Official API) require the
    # caller's IPs to be added to their trusted-IP / IP-whitelist settings.
    # When set, the web UI shows these IPs on the bot config form of such
    # adapters. Also settable via the SYSTEM__OUTBOUND_IPS env var
    # (comma-separated). Empty list = hidden in the web UI.
    outbound_ips: []
    limitation:
        max_bots: -1
        max_pipelines: -1
        max_extensions: -1
        # When set to a non-empty string, every pipeline is forced to use this
        # Box sandbox-scope template regardless of its own configuration, and
        # the per-pipeline "Sandbox Scope" selector is locked in the web UI.
        # Used by SaaS deployments to confine a tenant to a single shared
        # sandbox (set to '{global}'). Empty string = no restriction.
        force_box_session_id_template: ''
    task_retention:
        # Keep at most this many completed async task records in memory
        completed_limit: 200
    jwt:
        expire: 604800
        secret: ''
database:
    use: sqlite
    sqlite:
        path: 'data/langbot.db'
    postgresql:
        # Optional SQLAlchemy URL (postgresql[+asyncpg]://...). When set, it
        # overrides the structured fields and preserves TLS/query options.
        url: ''
        host: '127.0.0.1'
        port: 5432
        user: 'postgres'
        password: 'postgres'
        database: 'postgres'
    cloud_migration:
        # `langbot migrate --cloud` reads an operator-only PostgreSQL DSN from
        # this environment variable. The operator role must differ from the
        # runtime role above; never put its password in this file or CLI args.
        operator_dsn_env: 'LANGBOT_CLOUD_MIGRATION_DSN'
vdb:
    use: chroma
    qdrant:
        url: ''
        host: localhost
        port: 6333
        api_key: ''
    seekdb:
        mode: embedded  # 'embedded' or 'server'
        # Embedded mode options:
        path: './data/seekdb'
        database: 'langbot'
        # Server mode options (used when mode='server'):
        host: 'localhost'
        port: 2881
        user: 'root'
        password: ''
        tenant: ''  # Optional, for OceanBase server
    milvus:
        uri: 'http://127.0.0.1:19530'
        token: ''
        db_name: ''
    pgvector:
        # SaaS/shared-schema deployments reuse database.postgresql. OSS can
        # keep this false when deliberately using an external pgvector DB.
        use_business_database: false
        # Release migrations create one partial ANN index per enabled value.
        allowed_dimensions: [384, 512, 768, 1024, 1536]
        host: '127.0.0.1'
        port: 5433
        database: 'langbot'
        user: 'postgres'
        password: 'postgres'
    valkey_search:
        host: 'localhost'
        port: 6379            # integration tests use 6380 -> valkey/valkey-bundle:9.1.0
        db: 0
        password: ''          # optional (toB auth)
        username: ''          # optional (ACL user, toB)
        tls: false            # optional (toB/SaaS)
        index_algorithm: 'HNSW'   # HNSW | FLAT
        distance_metric: 'COSINE' # COSINE | L2 | IP
        request_timeout: 5000     # per-request timeout in ms (glide default 250ms is too low for KNN)
storage:
    use: local
    cleanup:
        # Enable periodic cleanup of local/S3 uploaded files and old log files
        enabled: true
        # Cleanup check interval in hours
        check_interval_hours: 1
        # Root-level uploaded files older than this will be deleted
        uploaded_file_retention_days: 7
        # LangBot log files older than this many days will be deleted
        log_retention_days: 3
    s3:
        endpoint_url: ''
        access_key_id: ''
        secret_access_key: ''
        region: 'us-east-1'
        bucket: 'langbot-storage'
plugin:
    enable: true
    runtime_ws_url: 'ws://langbot_plugin_runtime:5400/control/ws'
    enable_marketplace: true
    display_plugin_debug_url: 'ws://localhost:5401/plugin/debug/ws'
    worker:
        # Instance-wide maximum for every plugin installation. Plugin
        # manifests cannot raise or override these limits.
        max_cpus: 1.0
        max_memory_mb: 512
        max_pids: 128
        max_open_files: 256
        max_file_size_mb: 512
        # Cloud shared Runtime sets this to true and fails closed unless
        # delegated cgroup v2 controllers are available.
        require_hard_limits: false
    binary_storage:
        # Max bytes for a single plugin binary storage value
        max_value_bytes: 10485760
mcp:
    stdio:
        # Independent gate for local stdio MCP transports. Cloud v2 sets
        # MCP__STDIO__ENABLED=false even when Box Runtime is available.
        enabled: true
monitoring:
    auto_cleanup:
        # Enable automatic cleanup of expired monitoring records
        enabled: true
        # Retention period in days, records older than this will be deleted
        retention_days: 30
        # Cleanup check interval in hours
        check_interval_hours: 1
        # Number of expired rows to delete per table batch
        delete_batch_size: 1000
box:
    # Master switch for the Box sandbox runtime. When false, LangBot does NOT
    # attempt to connect to a remote Box runtime nor start a local stdio Box
    # subprocess. Disabling Box also disables every feature that depends on it:
    # the native sandbox tools (exec/read/write/edit/glob/grep), the activate
    # skill tool, skill add/edit, and stdio-mode MCP servers. Skills can still
    # be listed read-only and http/sse MCP servers continue to work.
    enabled: true
    backend: 'local'  # 'local' (Docker/nsjail), 'docker', 'nsjail', or 'e2b'. Can be written via BOX__BACKEND.
    runtime:
        # External WebSocket runtimes also require LANGBOT_BOX_CONTROL_TOKEN in
        # both LangBot and Box. Keep the shared secret out of this config file.
        endpoint: ''  # External Box Runtime base URL, e.g. 'ws://127.0.0.1:5410'. Leave empty for local auto-managed runtime.
    # Cloud v2 overrides these values through the instance config/environment.
    # OSS keeps admission disabled and preserves the existing multi-session
    # local behavior. These limits are Runtime-owned and cannot be relaxed by
    # a pipeline, Workspace entitlement, or tool call.
    admission:
        required: false
        logical_session_id: 'global'
        required_backend: 'nsjail'
        max_sessions: 1
        max_managed_processes: 0
        max_grant_ttl_sec: 300
        max_timeout_sec: 120
        cpus: 1.0
        memory_mb: 512
        pids_limit: 128
        read_only_rootfs: true
        # OSS admission-disabled mode uses 0 for unlimited compatibility.
        # Cloud bootstrap requires a positive hard quota.
        workspace_quota_mb: 0
        readiness_cache_sec: 15
    local:
        profile: 'default'
        image: ''  # Custom local sandbox image. Leave empty to use the profile default.
        host_root: './data/box'  # Base host directory for local workspace mounts. Docker deployments should override this with an absolute host path.
        default_workspace: ''  # Defaults to '<host_root>/default'. Relative paths are resolved under host_root.
        skills_root: 'skills'  # Box-owned skill package directory. Relative paths are resolved under host_root.
        allowed_mount_roots:  # Defaults to ['<host_root>'] when left empty.
            - './data/box'
            - '/tmp'
        workspace_quota_mb: null  # Optional disk quota override (>= 0). null = profile default.
    # Default nsjail cgroup memory limit for each MCP stdio server process, in MB.
    # Node.js MCP servers (npx/bunx) need more memory than Python ones because V8
    # and WebAssembly modules (e.g. undici llhttp) reserve large virtual address
    # space at startup. Setting this too low causes processes to be killed with
    # return_code=137 (OOM kill); the symptom is "Box managed process exited
    # unexpectedly" in the logs.  Raise on machines with ample RAM; lower only if
    # you run exclusively Python (uvx) MCP servers.
    # Can also be set via BOX__DEFAULT_MEMORY_MB. Default: 1536.
    default_memory_mb: 1536
    docker:
        cpu_limit_enabled: true  # When false, Docker sandbox containers are started without --cpus. Memory and PID limits still apply.
    e2b:
        api_key: ''  # Can also be set via E2B_API_KEY env var.
        api_url: ''  # Custom API URL for self-hosted deployments.
        template: ''  # Default template ID (e.g. 'base', 'python-3.11').
space:
    # Space service URL for OAuth and API
    url: 'https://space.langbot.app'
    # Space API URL for model requests (MaaS)
    models_gateway_api_url: 'https://api.langbot.cloud/v1'
    # OAuth authorization page URL (user will be redirected here)
    oauth_authorize_url: 'https://space.langbot.app/auth/authorize'
    disable_models_service: false
    disable_telemetry: false