Alpaca MCP server (official)
Alpaca's official MCP server: trade stocks, ETFs, crypto and options and pull market data from an agent.
Install / use
Add the MCP server per the README with ALPACA paper API keys from the owner (paper dashboard first).
Community
What it helps with
Lets a trading agent run the whole loop on Alpaca's free paper account first, so live money only follows a paper record.
Agent jobs: Capital & forecasting
Capability gaps: Measurement, Payments & credential separation
Security scan and details
- Scan result
- Vetted pass · 2026-10-17
- Scan notes
- Automated scan: pass (medium 3) at commit 2a973a046607 on 2026-10-17.
- License
- MIT
- GitHub stars
- 1,023
- Last updated
- 2026-10-12
- Cost
- freemium
- Source
- github.com/alpacahq/alpaca-mcp-server
- Repo
- alpacahq/alpaca-mcp-server
Automated static scan of the source at a pinned commit (custom prompt-injection, malware and exfiltration rules plus semgrep, gitleaks and osv-scanner); flagged lines get a manual review. Hosted APIs with no code to scan stay at Needs review. A scan lowers risk; it doesn't prove safety.
Related
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A fast vectorized backtesting engine for testing many trading strategy variants on historical data.
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A small Python framework to backtest trading strategies, with stats and interactive plots.
prediction-market-analysis
A framework for collecting and analyzing prediction-market data; its README lists research papers that used it.
Financial Datasets MCP server
An MCP server for the Financial Datasets stock-market API: financial statements, prices and news.
Polymarket Python SDK (official)
Polymarket's official unified Python SDK for public market data, authenticated accounts, trading and wallets.
Forecast calibration scoring
Log every probability forecast, then score resolved ones with the Brier score and log loss, against the market, with a calibration table.
Comments
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