OPNsense MCP Server
by gabrielion
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| AUDIT_LOG | No | Path to a JSONL audit log file | |
| LOG_LEVEL | No | Log level: ERROR, WARN, INFO, DEBUG | INFO |
| READ_ONLY | No | When 'true', all mutation tools are hidden and refused | false |
| AUTO_BACKUP | No | When 'true', snapshot the full config before classified mutations | false |
| BACKUP_PATH | No | Absolute path for storing backup snapshots | ./backups |
| IAC_ENABLED | No | Expose the experimental iac_* tools | false |
| MCP_SSE_HOST | No | Bind address for SSE transport (only loopback values accepted) | 127.0.0.1 |
| MCP_SSE_PORT | No | Port for SSE transport (e.g., 3000) | |
| MCP_TRANSPORT | No | Transport mode: 'stdio' (default) or 'sse' | stdio |
| OPNSENSE_HOST | Yes | The base URL of the OPNsense firewall, e.g., https://your-opnsense:port | |
| MCP_CORS_ORIGIN | No | Deprecated alias for a single allowed origin | |
| AUDIT_LOG_STRICT | No | When 'true', refuse mutation if audit pre-write fails | false |
| AUTO_BACKUP_KEEP | No | Number of backups to retain | 50 |
| OPNSENSE_API_KEY | Yes | The API key for authentication | |
| ALLOWED_RESOURCES | No | Comma-separated list of resource keys for mutation scoping | |
| MCP_ALLOWED_HOSTS | No | Host header allow-list for DNS-rebinding defense | |
| OPNSENSE_SSH_HOST | No | SSH host for SSH-backed features (required if ENABLE_SSH_FEATURES=true) | |
| AUTO_BACKUP_STRICT | No | When 'true', refuse a mutation if the pre-change backup fails | false |
| ENABLE_RAW_API_TOOL | No | Expose the opn_api_call escape hatch | false |
| ENABLE_SSH_FEATURES | No | Enable SSH-backed features | false |
| MCP_ALLOWED_ORIGINS | No | Exact origins allowed for CORS (wildcard or malformed values are fatal) | |
| OPNSENSE_API_SECRET | Yes | The API secret for authentication | |
| OPNSENSE_VERIFY_SSL | No | Whether to verify TLS certificates (set to 'false' for self-signed certs) | true |
| ENABLE_RESTORE_TOOLS | No | Required for restore_backup_ssh | false |
| ENABLE_CONFIGURE_TOOL | No | Expose the runtime configure credential tool | false |
| OPNSENSE_SSH_KEY_PATH | No | Absolute path to the SSH private key | |
| OPNSENSE_SSH_USERNAME | No | SSH username for SSH-backed features |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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