# create_sub_api_key

Create API key for a sub UID.

Agent View of the PolicyLayer registry record for `create_sub_api_key`. HTML page: https://policylayer.com/tools/johnnywic-bybit-mcp/create-sub-api-key

## Facts

- Tool: `create_sub_api_key`
- Server: Bybit (`johnnywic/bybit-mcp`) — https://policylayer.com/tools/johnnywic-bybit-mcp.md
- Homepage: https://github.com/JohnnyWic/bybit-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "create_sub_api_key",
    "arguments": {}
  }
}
```

## Why create_sub_api_key is rated Medium

This tool creates new API credentials for a sub-account, which modifies the account's security posture and access control structure. While reversible (keys can be deleted), creating API keys grants new access and can expose trading and account management capabilities to third parties.

From the tool's own definition: "Tool name: 'create_sub_api_key'. Description: 'Create API key for a sub UID.' The word 'Create' indicates this tool generates new credentials/configurations."

## Use case

AI agents use create_sub_api_key to create or update resources in Bybit, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Bybit environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Bybit:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_sub_api_key": {
      "limits": [
        {
          "counter": "create_sub_api_key_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Bybit (244)

- `batch_cancel_order` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/batch-cancel-order.md
- `cancel_all_orders` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-all-orders.md
- `cancel_all_rfq_quotes` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-all-rfq-quotes.md
- `cancel_all_rfqs` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-all-rfqs.md
- `cancel_all_spread_orders` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-all-spread-orders.md
- `cancel_new_crypto_loan_fixed_borrow` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-new-crypto-loan-fixed-borrow.md
- `cancel_new_crypto_loan_fixed_supply` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-new-crypto-loan-fixed-supply.md
- `cancel_order` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-order.md
- `cancel_rfq` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-rfq.md
- `cancel_rfq_quote` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-rfq-quote.md
- `cancel_spread_order` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-spread-order.md
- `cancel_withdrawal` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/cancel-withdrawal.md
- `delete_master_api_key` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/delete-master-api-key.md
- `delete_sub_api_key` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/delete-sub-api-key.md
- `delete_sub_uid` — Destructive — https://policylayer.com/tools/johnnywic-bybit-mcp/delete-sub-uid.md
- `execute_hedge_arbitrage_strategy` — Execute — https://policylayer.com/tools/johnnywic-bybit-mcp/execute-hedge-arbitrage-strategy.md
- `freeze_sub_uid` — Execute — https://policylayer.com/tools/johnnywic-bybit-mcp/freeze-sub-uid.md
- `pre_check_order` — Execute — https://policylayer.com/tools/johnnywic-bybit-mcp/pre-check-order.md
- `reset_mmp` — Execute — https://policylayer.com/tools/johnnywic-bybit-mcp/reset-mmp.md
- `set_leverage` — Execute — https://policylayer.com/tools/johnnywic-bybit-mcp/set-leverage.md
- `accept_rfq_non_lp_quote` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/accept-rfq-non-lp-quote.md
- `amend_order` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/amend-order.md
- `batch_place_order` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/batch-place-order.md
- `confirm_convert_quote` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/confirm-convert-quote.md
- `confirm_fiat_quote` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/confirm-fiat-quote.md
- `confirm_small_balance_quote` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/confirm-small-balance-quote.md
- `create_internal_transfer` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/create-internal-transfer.md
- `create_rfq_quote` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/create-rfq-quote.md
- `create_universal_transfer` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/create-universal-transfer.md
- `crypto_loan_adjust_ltv` — Financial — https://policylayer.com/tools/johnnywic-bybit-mcp/crypto-loan-adjust-ltv.md
- …and 214 more: https://policylayer.com/tools/johnnywic-bybit-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=johnnywic-bybit-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/johnnywic-bybit-mcp