# ccxt_fetch_currencies Call exchange.fetchCurrencies(params). Agent View of the PolicyLayer registry record for `ccxt_fetch_currencies`. HTML page: https://policylayer.com/tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-fetch-currencies ## Facts - Tool: `ccxt_fetch_currencies` - 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_currencies", "arguments": {} } } ``` ## Why ccxt_fetch_currencies is rated Low fetchCurrencies is a read-only query that retrieves metadata about available currencies on an exchange. It has no side effects, does not modify data, and does not execute trades or financial transactions. The operation is informational only, making it a Read category tool with low severity risk. From the tool's own definition: "Tool name is 'ccxt_fetch_currencies' and description states it calls 'exchange.fetchCurrencies(params)'. This is a fetch operation that retrieves currency data from an exchange without modifying any state." ## Use case AI agents call ccxt_fetch_currencies 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_currencies": {} } } ``` ## 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