Nebula MCP server
Connect an AI tool to Nebula at /mcp/nebula with a Nebula key: run and track batches, read your credit, buy top-ups with a confirmation, and manage keys when your team allows it.
Sign in to see your own test client ID in the samples.
The Nebula MCP server is at https://developers.aton-network.org/mcp/nebula (Streamable HTTP, one JSON-RPC message a request). Send a key with a Nebula right as Authorization: Bearer.
Tools
| Tool | Right | What it does |
|---|---|---|
| list_models | nebula:read | Models, units, prices, plans and top-ups |
| get_balance | nebula:read | Your credit, what running jobs hold, your plan and settings |
| estimate_job | nebula | What a job would cost, the credit it would reserve, and whether you have it |
| create_batch | nebula | Submit a batch; a live one waits for confirm_batch |
| confirm_batch | nebula | Reserves the credit and queues the batch. Repeat the reservation you were shown as confirm_reserve_cad |
| buy_topup | nebula | Buys a top-up on the card on file. Repeat its price as confirm_amount_cad |
| cancel_batch | nebula | Cancel a waiting or queued batch |
| get_batch, fetch_results | nebula:read | Track a batch and find its results |
| usage_and_credit | nebula:read | Credit, usage by month, purchases, spend limit. Read only |
| start_finetune, finetune_progress, download_adapter | nebula | Fine-tuning, opening soon |
| list_keys, create_key, revoke_key | nebula:keys | Manage your team's Nebula keys |
Money moves only after a confirmation
create_batch answers the estimate and the reservation and spends nothing. confirm_batch reserves credit only when the amount you pass matches the reservation it shows, and buy_topup charges your card only when the amount you pass matches the pack's price, so an assistant has to show you the figure first. If you turned auto top-up on, confirm_batch may buy your chosen pack, within your monthly cap, when the credit is short.
Key management is off by default
The key tools work only after Atheron turns key management on for your team, and only with a key that has the nebula:keys right. A key made from the MCP server can carry nebula and nebula:read only, for 30 or 90 days.
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