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Search / tech.marketcalendar/seasonality

The Market Calendar

R0· no sign-in

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

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality81new
Trust83of 100
Uptime, 30 days100%
Latency p50158 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "seasonality": {
      "type": "http",
      "url": "https://marketcalendar.tech/mcp"
    }
  }
}
claude mcp add --transport http seasonality https://marketcalendar.tech/mcp
[mcp_servers.seasonality]
url = "https://marketcalendar.tech/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "seasonality": {
      "type": "remote",
      "url": "https://marketcalendar.tech/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "seasonality": {
      "type": "http",
      "url": "https://marketcalendar.tech/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=seasonality&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWFya2V0Y2FsZW5kYXIudGVjaC9tY3AifQ%3D%3D"
}
{
  "servers": {
    "seasonality": {
      "type": "http",
      "url": "https://marketcalendar.tech/mcp"
    }
  }
}
{
  "mcpServers": {
    "seasonality": {
      "httpUrl": "https://marketcalendar.tech/mcp"
    }
  }
}
extensions:
  "seasonality":
    enabled: true
    name: "seasonality"
    type: streamable_http
    uri: "https://marketcalendar.tech/mcp"
    timeout: 300

Quality 81 / 100new

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations8 of 8 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: list_assets (destructiveHint, idempotentHint); monthly_seasonality (destructiveHint, idempotentHint); month_detail (destructiveHint, idempotentHint); …
  • pass
    tools.token_costabout 842 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 0 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

8 tools, about 842 tokens to load them all · tool set a7cc5cff1f8d · checked 2026-10-19 10:52 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-1d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://marketcalendar.tech/mcp streamable-httpnoneyes100%158 ms2025-11-252026-10-19

Tools (8)

day_seasonalityread-onlyHow an asset has done on a calendar date (e.g. 12-26) across all years: average return, share of years up, and its rank among all calendar days.
economic_calendarread-onlyScheduled US economic releases (FOMC, CPI, jobs, PCE, GDP, PPI, retail sales, ISM, JOLTS) in a date range, with US Eastern times.
list_assetsread-onlyList the markets covered (S&P 500, Nasdaq, Nasdaq-100, Dow, Russell 2000, Bitcoin, Ethereum, crude oil, gold) with their data start dates.
month_detailread-onlyDeep 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.
monthly_seasonalityread-onlyAverage and median return, share of years up, best and worst year for each calendar month of an asset. Use for 'what's the best month for X', 'is September bad for stocks'.
seasonal_patternread-onlyStatistics 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.
seasonal_trendsread-onlyThe bullish and bearish seasonal stretches for an asset in a given year, as shown on The Market Calendar.
window_seasonalityread-onlyEvery 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. Use for 'how does X do from Dec 15 to Dec 31'.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "tech.marketcalendar/seasonality",
  "title": "The Market Calendar",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://marketcalendar.tech/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://marketcalendar.tech/seasonality",
  "description": "Market seasonality by day, window and month for S&P 500, Nasdaq, Dow, Bitcoin, gold and oil."
}