sark
by Arjia-Labs
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| API_TOKEN | No | Bearer token to guard /api routes. Fails closed if unset. | |
| PUBLIC_URL | Yes | Public URL of the Worker, used by sandboxes to reach /mcp. | |
| BOX_API_KEY | Yes | Your ascii.dev Box API key (box_...). Required to control sandboxes. | |
| WORKER_NAME | No | Name of the Cloudflare Worker. Used during deployment. | |
| ALLOWED_TEAMS | No | Optional comma-separated list of allowed Slack team IDs. | |
| ALLOWED_USERS | No | Comma-separated list of allowed Slack user IDs. Empty by default. | |
| SLACK_BOT_TOKEN | No | Optional Slack bot token (xoxb-...). Needed for Slack integration. | |
| TEMPLATE_BOX_ID | No | Optional template Box ID to fork from. | |
| ALLOWED_CHANNELS | No | Comma-separated list of allowed Slack channel IDs. Empty by default (fails closed). | |
| MCP_TOKEN_SECRET | Yes | Secret used to sign thread-scoped MCP tokens. Required for /mcp endpoint. | |
| IDLE_STOP_SECONDS | No | Number of seconds to wait before archiving an idle sandbox. | |
| SLACK_SIGNING_SECRET | No | Optional Slack signing secret. Needed for verifying Slack requests. |
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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