# ccxt_fetch_market_leverage_tiers

Call exchange.fetchMarketLeverageTiers(symbol, params).

Agent View of the PolicyLayer registry record for `ccxt_fetch_market_leverage_tiers`. HTML page: https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-fetch-market-leverage-tiers

## Facts

- Tool: `ccxt_fetch_market_leverage_tiers`
- Server: Codex CCXT MCP (`oci:ghcr.io/lucyfox199818-collab/ccxt-mcp:0.1.0`) — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp.md
- Homepage: https://github.com/lucyfox199818-collab/codex-binance-agent
- 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": "ccxt_fetch_market_leverage_tiers",
    "arguments": {}
  }
}
```

## Why ccxt_fetch_market_leverage_tiers is rated Low

This tool queries and retrieves market leverage tier information from an exchange without any side effects. It is a read-only operation that fetches publicly available or account-accessible market data. Even in a trading context, fetching market metadata poses minimal risk—the data retrieved is informational and does not execute trades, move funds, or modify state.

From the tool's own definition: "Tool name contains 'fetch' and description uses 'fetchMarketLeverageTiers' which retrieves market data about leverage tiers. No modification, deletion, or execution of trades occurs."

## Use case

AI agents call ccxt_fetch_market_leverage_tiers to retrieve information from Codex CCXT MCP 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 Codex CCXT MCP:

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

## Other tools on Codex CCXT MCP (112)

- `ccxt_cancel_algo_order` — Destructive — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-algo-order.md
- `ccxt_cancel_all_algo_orders` — Destructive — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-all-algo-orders.md
- `ccxt_cancel_all_orders` — Destructive — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-all-orders.md
- `ccxt_cancel_all_orders_after` — Destructive — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-all-orders-after.md
- `ccxt_call` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-call.md
- `ccxt_cancel_order` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-order.md
- `ccxt_cancel_orders` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-orders.md
- `ccxt_cancel_orders_for_symbols` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-cancel-orders-for-symbols.md
- `ccxt_set_margin_mode` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-set-margin-mode.md
- `ccxt_set_position_mode` — Execute — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-set-position-mode.md
- `ccxt_add_margin` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-add-margin.md
- `ccxt_create_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-order.md
- `ccxt_create_order_with_take_profit_and_stop_loss` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-order-with-take-profit-and-stop-loss.md
- `ccxt_create_orders` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-orders.md
- `ccxt_create_post_only_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-post-only-order.md
- `ccxt_create_protected_futures_entry` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-protected-futures-entry.md
- `ccxt_create_reduce_only_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-reduce-only-order.md
- `ccxt_create_stop_limit_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-stop-limit-order.md
- `ccxt_create_stop_loss_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-stop-loss-order.md
- `ccxt_create_stop_market_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-stop-market-order.md
- `ccxt_create_stop_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-stop-order.md
- `ccxt_create_take_profit_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-take-profit-order.md
- `ccxt_create_trailing_amount_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-trailing-amount-order.md
- `ccxt_create_trailing_percent_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-trailing-percent-order.md
- `ccxt_create_trigger_order` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-trigger-order.md
- `ccxt_reduce_margin` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-reduce-margin.md
- `ccxt_transfer` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-transfer.md
- `ccxt_withdraw` — Financial — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-withdraw.md
- `audit_analyze_cycles` — Read — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/audit-analyze-cycles.md
- `audit_analyze_trading_decisions` — Read — https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/audit-analyze-trading-decisions.md
- …and 82 more: https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-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=io-github-lucyfox199818-collab-ccxt-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-lucyfox199818-collab-ccxt-mcp
