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mcp/harbor
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The Market Calendar MCP

v1.0.0

tech.marketcalendar/seasonality

Market seasonality by day, window and month for S&P 500, Nasdaq, Dow, Bitcoin, gold and oil.

transport:streamable-http tools:8
Website

Target client

run in your project directory 

claude mcp add --transport http seasonality https://marketcalendar.tech/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

list_assets Read-only

list assets

monthly_seasonality

monthly seasonality

month_detail

month detail

day_seasonality

day seasonality

window_seasonality

window seasonality

seasonal_trends

seasonal trends

seasonal_pattern

seasonal pattern

economic_calendar

economic calendar

All 8 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.