# get_market_calendar Retrieves and formats market calendar for specified date range. Agent View of the PolicyLayer registry record for `get_market_calendar`. HTML page: https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-market-calendar ## Facts - Tool: `get_market_calendar` - Server: Alpaca MCP Server (`cliffsgpt/alpaca-mcp-clone`) — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone.md - Homepage: https://github.com/CliffsGPT/Alpaca-MCP-Clone - 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": "get_market_calendar", "arguments": {} } } ``` ## Why get_market_calendar is rated Low This tool merely queries and retrieves market calendar information (trading hours, holidays, etc.) for a given date range. It has no side effects, does not execute trades or code, does not modify any state, and does not involve financial transactions. It is purely informational data access, placing it squarely in the Read category with low severity. From the tool's own definition: "Tool name 'get_market_calendar' and description 'Retrieves and formats market calendar for specified date range' indicate data retrieval with no modification, creation, execution, or deletion of resources." ## Use case AI agents call get_market_calendar to retrieve information from Alpaca 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 Alpaca MCP Server: ```json { "version": "1", "default": "deny", "tools": { "get_market_calendar": {} } } ``` ## Other tools on Alpaca MCP Server (30) - `cancel_all_orders` — Destructive — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/cancel-all-orders.md - `cancel_order_by_id` — Destructive — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/cancel-order-by-id.md - `close_all_positions` — Destructive — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/close-all-positions.md - `exercise_options_position` — Financial — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/exercise-options-position.md - `place_crypto_order` — Financial — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/place-crypto-order.md - `place_option_market_order` — Financial — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/place-option-market-order.md - `place_stock_order` — Financial — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/place-stock-order.md - `get_account_info` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-account-info.md - `get_all_assets` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-all-assets.md - `get_asset_info` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-asset-info.md - `get_corporate_announcements` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-corporate-announcements.md - `get_crypto_bars` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-crypto-bars.md - `get_crypto_quotes` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-crypto-quotes.md - `get_market_clock` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-market-clock.md - `get_open_position` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-open-position.md - `get_option_contracts` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-option-contracts.md - `get_option_latest_quote` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-option-latest-quote.md - `get_option_snapshot` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-option-snapshot.md - `get_orders` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-orders.md - `get_positions` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-positions.md - `get_stock_bars` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-bars.md - `get_stock_latest_bar` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-latest-bar.md - `get_stock_latest_trade` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-latest-trade.md - `get_stock_quote` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-quote.md - `get_stock_snapshot` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-snapshot.md - `get_stock_trades` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-stock-trades.md - `get_watchlists` — Read — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/get-watchlists.md - `close_position` — Write — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/close-position.md - `create_watchlist` — Write — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/create-watchlist.md - `update_watchlist` — Write — https://policylayer.com/tools/cliffsgpt-alpaca-mcp-clone/update-watchlist.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=cliffsgpt-alpaca-mcp-clone · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/cliffsgpt-alpaca-mcp-clone