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Holidays

by io.github.pipeworx-io
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Holidays MCP — wraps Nager.Date API (free, no auth)

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Status
Unhealthy
Uptime
35.0% over 47 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-holidays
GitHub Stars
0
Server Listing
mcp-holidays

TDQS

A3.9/5.0

Scored across 34 tools

Disambiguation3/5

The holiday trio (get_holidays, is_today_holiday, next_holidays) is crisp, but the gateway tools overlap heavily: ask_pipeworx / ask_pipeworx_beta / ask_pipeworx_grounded / deep_research / discover_tools / suggest_questions / validate_claim all answer 'look up a fact', and six polymarket_* tools plus bet_research form a dense cluster. Long descriptions try hard to disambiguate but an agent can easily misselect among the near-identical ask_* family.

Naming Consistency4/5

The set is overwhelmingly snake_case with a verb_noun or noun_verb pattern (get_holidays, resolve_entity, validate_claim, list_subscriptions), which is predictable and readable. Minor deviations exist — noun-first polymarket_* tools and vague bare verbs like remember/recall/forget/subscribe — but nothing chaotic.

Tool Count2/5

34 tools is heavy by the calibration rubric (25+), and the set bundles a holiday lookup, a universal data gateway, prediction-market arbitrage, memory, and subscriptions into one surface. Even for a broad platform the count strains scoping, and it is wildly excessive for the 'holidays' framing the server presents.

Completeness4/5

Most domains have lifecycle coverage: memory (remember/recall/forget), subscriptions (subscribe/list_subscriptions/recent_alerts/unsubscribe), entity/research flows, and a coherent holiday surface. Minor gaps remain (holidays lack sub-region or holiday-name search, and there's no clear 'get my usage/quota' tool), but agents can work around them.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 1 tool update
    • Changedbet_research2 fields changed
      • changedInput schema / examples
        Previous value: -[
-  {
-    "market": "when-will-bitcoin-hit-150k"
-  },
-  {
-    "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k"
-  }
-]New value: +[
+  {
+    "market": "will-kristi-noem-win-the-2028-republican-presidential-nomination"
+  },
+  {
+    "market": "https://polymarket.com/event/will-kristi-noem-win-the-2028-republican-presidential-nomination"
+  }
+]
      • changedInput schema / properties / market / description
        Previous value: -"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."New value: +"Polymarket slug (\"will-kristi-noem-win-the-2028-republican-presidential-nomination\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
  2. 2 tool updates
    • Changedbet_research2 fields changed
      • changedInput schema / examples
        Previous value: -[
-  {
-    "market": "will-bitcoin-reach-100k-in-july-2026"
-  },
-  {
-    "market": "https://polymarket.com/event/will-bitcoin-hit-150k-by-june-30-2026"
-  }
-]New value: +[
+  {
+    "market": "when-will-bitcoin-hit-150k"
+  },
+  {
+    "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k"
+  }
+]
      • changedInput schema / properties / market / description
        Previous value: -"Polymarket slug (\"will-bitcoin-hit-150k-by-june-30-2026\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k by June 30?\")"New value: +"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
    • Changedpolymarket_kalshi_spread2 fields changed
      • changedInput schema / examples
        Previous value: -[
-  {
-    "topic": "fed"
-  },
-  {
-    "topic": "btc"
-  }
-]New value: +[
+  {
+    "topic": "fed"
+  },
+  {
+    "topic": "btc"
+  },
+  {
+    "topic": "bitcoin"
+  },
+  {
+    "topic": "fed rate decision"
+  }
+]
      • changedInput schema / properties / topic / description
        Previous value: -"Pre-mapped: fed | btc | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president"New value: +"Subject to compare. Canonical keys: fed | btc | eth | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president — but aliases and keywords resolve too (\"bitcoin\", \"fed rate decision\", \"ethereum\", \"inflation\", \"s&p 500\", \"us recession\", \"next pope\", \"2028 election\"). Check resolution.topic_matched_by in the response: \"exact\"/\"alias\" is a curated pairing, \"phrase\"/\"token\" is a keyword guess."

Related MCP Connectors

Related MCP Servers

  • mcp-nager-holidays

    pipeworx-io
    A
    license
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    quality
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    MCP server for accessing Nager.Date public holidays data. It provides tools to query and retrieve holiday information for various countries through natural language or direct tool calls.
    7 npm
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  • Nager MCP v101

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    An MCP server that provides access to the Nager.Date API for retrieving public holiday information across various countries. It enables AI agents to interact with holiday data and date-related endpoints through standardized Model Context Protocol tools.
    -
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