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TrueNAS Core MCP Server

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
TRUENAS_URLYesURL of your TrueNAS system (e.g., https://192.168.1.100)
TRUENAS_API_KEYYesYour TrueNAS API key
TRUENAS_VERIFY_SSLNoWhether to verify SSL certificates when connecting to TrueNASfalse

Schema

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

Tools

Functions exposed to the LLM to take actions

NameDescription
debug_connection

Debug connection settings and environment variables

reset_connection

Reset the HTTP client to force re-initialization

list_users

List all users in TrueNAS

get_user
Get detailed information about a specific user Args: username: Username to look up
get_system_info

Get TrueNAS system information

list_pools

List all storage pools

list_datasets

List all datasets

get_pool_status
Get detailed status of a specific pool Args: pool_name: Name of the pool
create_dataset
Create a new dataset Args: pool: Pool name where dataset will be created name: Dataset name compression: Compression algorithm (default: lz4) quota: Optional quota in bytes
list_smb_shares

List all SMB shares

create_smb_share
Create a new SMB share Args: path: Path to share name: Share name comment: Optional comment read_only: Whether share is read-only
create_snapshot
Create a snapshot of a dataset Args: dataset: Dataset path (e.g., "tank/data") name: Snapshot name recursive: Whether to create recursive snapshots
modify_dataset_permissions
Modify dataset permissions (chmod/chown equivalent) Args: dataset: Dataset path (e.g., "tank/data") mode: Unix permission mode (e.g., "755", "644") owner: Owner username or UID group: Group name or GID recursive: Apply permissions recursively
update_dataset_acl
Update dataset Access Control Lists (ACLs) Args: dataset: Dataset path (e.g., "tank/data") acl_entries: List of ACL entries with permissions recursive: Apply ACLs recursively strip_acl: Remove all ACLs and revert to Unix permissions
get_dataset_permissions
Get current permissions and ACL information for a dataset Args: dataset: Dataset path (e.g., "tank/data")
modify_dataset_properties
Modify ZFS dataset properties Args: dataset: Dataset path (e.g., "tank/data") properties: Dictionary of properties to update Examples: {"compression": "lz4", "dedup": "on", "quota": "10G"}
get_dataset_properties
Get all properties of a dataset Args: dataset: Dataset path (e.g., "tank/data")
create_nfs_export
Create an NFS export for Kubernetes persistent volumes Args: dataset: Dataset path to export (e.g., "tank/k8s-volumes") allowed_networks: List of allowed networks (e.g., ["10.0.0.0/24"]) read_only: Whether the export is read-only maproot_user: User to map root to maproot_group: Group to map root to
create_iscsi_target
Create an iSCSI target for Kubernetes block storage Args: name: Target name (e.g., "k8s-block-01") dataset: Dataset for storing the iSCSI extent size: Size of the iSCSI extent (e.g., "100G") portal_id: iSCSI portal ID to use
create_snapshot_policy
Create an automated snapshot policy Args: dataset: Dataset to snapshot name: Policy name schedule: Schedule configuration (cron-like) {"minute": "0", "hour": "*/4", "dom": "*", "month": "*", "dow": "*"} retention: Retention settings {"hourly": 24, "daily": 7, "weekly": 4, "monthly": 12} recursive: Include child datasets

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