Analytics

marketcalendar.tech

Analyzes historical seasonality of financial markets and assets, providing monthly, daily, and custom-window return statistics.

1 endpoint8 known toolsFirst detected October 19, 2026Last detected October 19, 2026

ENDPOINT 1

https://marketcalendar.tech/mcp

No auth detected

MCP server metadata

Name: market-calendar-seasonality
Version: 1.0.0

Capabilities

tools

Server instructions

Seasonality data from The Market Calendar (marketcalendar.tech): how markets have historically behaved on each day, window and month of the year. Results are historical averages, not forecasts; say so when you use them, and cite the 'source' URL in each result.

Known tools 8

list_assets

List the markets covered (S&P 500, Nasdaq, Nasdaq-100, Dow, Russell 2000, Bitcoin, Ethereum, crude oil, gold) with their data start dates.

Inferred read-only

monthly_seasonality

Average and median return, share of years up, best and worst year for each calendar month of an asset.

Inferred read-only

month_detail

Deep dive on one month for one asset: average, median, % of years up, rank among the 12 months, recent years, the cumulative seasonal path through the month, and its strongest/weakest days.

Inferred read-only

day_seasonality

How an asset has done on a calendar date (e.

Inferred read-only

window_seasonality

Every past year's return over a calendar window (start and end MM-DD in the same year), with average, median, % of years up, best and worst years.

Inferred read-only

seasonal_trends

The bullish and bearish seasonal stretches for an asset in a given year, as shown on The Market Calendar.

Inferred read-only

seasonal_pattern

Statistics for well-known S&P 500 calendar effects: santa-claus-rally, sell-in-may, september-effect, best-days-of-the-year, worst-days-of-the-year, turn-of-the-month, presidential-cycle, january-barometer.

Inferred read-only

economic_calendar

Scheduled US economic releases (FOMC, CPI, jobs, PCE, GDP, PPI, retail sales, ISM, JOLTS) in a date range, with US Eastern times.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.market-calendar-seasonality]
url = "https://marketcalendar.tech/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "market-calendar-seasonality": {
      "type": "http",
      "url": "https://marketcalendar.tech/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: market-calendar-seasonality
Remote MCP URL: https://marketcalendar.tech/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "market-calendar-seasonality": {
      "url": "https://marketcalendar.tech/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "market-calendar-seasonality": {
      "type": "http",
      "url": "https://marketcalendar.tech/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "market-calendar-seasonality",
  "transport": "streamable-http",
  "url": "https://marketcalendar.tech/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.