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Alpaca MCP vs Tradier MCP

By Ahsen (@satovinci)

Side-by-side facts with sources, last checked 2026-10-17.

Verdict: Both cover stocks, options. Alpaca MCP: can trade unattended; Safety 58%. Tradier MCP: can trade unattended; Safety 50%. 6 of 11 sourced facts differ; the table below shows each with its source.

FieldAlpaca MCP ServerTradier MCP Server
CategoryBroker MCP serversBroker MCP servers
AssetsUS stocks, ETFs, options, crypto, fixed income quotesUS stocks, options (single-leg and multi-leg)
Live vs paperlive and paper (ALPACA_PAPER_TRADE defaults to true/paper; paper with simulated $100K)live and paper (PAPER_TRADING flag with your paper token)
Order approval / safetylocal server; 65 tools incl. stocks/options/crypto orders; ALPACA_TOOLSETS can restrict (e.g. read-only market data); ALPACA_PAPER_TRADE defaults to paperhosted at mcp.tradier.com/mcp; personal API token (header, or in the URL query for ChatGPT/Claude web); order tools incl. equity, options, multileg, OCO/OTO/OTOCO and cancel; no separate order-confirmation step documented
Pricing / free tierfree paper Trading API account with Basic IEX data is enough to start; Algo Trader Plus $99/mo for broader real-time; docs note no separate ~$9 unlimited SIP-style plan for new Trading API subscribersany Tradier plan works, including the free Lite plan
Rate limits200 trading req/minnot documented for MCP; Tradier API limits are 60 req/min trading, 120 req/min market data per token
Official / communityofficialofficial
Last checked2026-10-172026-10-17
Sourcedocs.alpaca.marketsdocs.tradier.com
WebsiteVisit Alpaca MCP ServerVisit Tradier MCP Server

Tool pages: Alpaca MCP Server · Tradier MCP Server. Categories: Broker MCP servers

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