# binance_us_websocket_info

Get information about available WebSocket streams on Binance.US. Returns details about: - Market data streams (public) - User data streams (requires listen key) - Connection URLs and limits

Agent View of the PolicyLayer registry record for `binance_us_websocket_info`. HTML page: https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-websocket-info

## Facts

- Tool: `binance_us_websocket_info`
- Server: Binance US MCP Server (`nirholas/binance-us-mcp`) — https://policylayer.com/tools/nirholas-binance-us-mcp.md
- Homepage: https://github.com/nirholas/Binance-US-MCP
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why binance_us_websocket_info is rated Low

This tool retrieves metadata about WebSocket stream availability and configuration. It is informational only—no side effects, no data modification, no financial transactions, and no code execution. Despite the Binance.US context (a financial platform), the specific tool merely provides read-only information about stream endpoints and capabilities.

From the tool's own definition: "Tool description states it 'Get information about available WebSocket streams' and 'Returns details about' connection URLs and stream availability. No mutation, deletion, or execution of trades/transfers occurs."

## Use case

AI agents call binance_us_websocket_info to retrieve information from Binance US MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Binance US MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "binance_us_websocket_info": {}
  }
}
```

## Other tools on Binance US MCP Server (92)

- `binance_us_cancel_all_open_orders` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-all-open-orders.md
- `binance_us_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-oco.md
- `binance_us_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-order.md
- `binance_us_cust_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-oco.md
- `binance_us_cust_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-order.md
- `binance_us_cust_cancel_orders_symbol` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-orders-symbol.md
- `binance_us_cancel_replace` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-replace.md
- `binance_us_cl_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cl-transfer.md
- `binance_us_cust_new_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-new-order.md
- `binance_us_cust_oco_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-oco-order.md
- `binance_us_cust_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-transfer.md
- `binance_us_cust_undo_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-undo-transfer.md
- `binance_us_cust_wallet_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-wallet-transfer.md
- `binance_us_custodial_custodian_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-custodian-transfer.md
- `binance_us_custodial_settlement` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-settlement.md
- `binance_us_custodial_undo_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-undo-transfer.md
- `binance_us_custodial_wallet_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-wallet-transfer.md
- `binance_us_new_oco` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-new-oco.md
- `binance_us_new_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-new-order.md
- `binance_us_otc_place_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-otc-place-order.md
- `binance_us_staking_stake` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-staking-stake.md
- `binance_us_staking_unstake` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-staking-unstake.md
- `binance_us_subaccount_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-subaccount-transfer.md
- `binance_us_withdraw_crypto` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-withdraw-crypto.md
- `binance_us_withdraw_fiat` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-withdraw-fiat.md
- `binance_us_account_info` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-account-info.md
- `binance_us_agg_trades` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-agg-trades.md
- `binance_us_all_oco_orders` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-all-oco-orders.md
- `binance_us_all_orders` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-all-orders.md
- `binance_us_asset_config` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-asset-config.md
- …and 62 more: https://policylayer.com/tools/nirholas-binance-us-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`

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