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NASA JPL Horizons — solar-system body ephemerides

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Status
Unhealthy
Uptime
46.5% over 38 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-horizons-nasa
GitHub Stars
0
Server Listing
mcp-horizons-nasa

TDQS

B3.4/5.0

Scored across 35 tools

Disambiguation3/5

Many tools have distinct purposes, but the set contains several overlapping meta-query/research tools (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research, discover_tools, suggest_questions) and multiple Polymarket analytics tools whose boundaries require careful reading. Descriptions help, but misselection is plausible.

Naming Consistency4/5

Almost all names use snake_case with a predictable verb_noun or noun_phrase pattern (resolve_entity, recent_changes, polymarket_fill_risk), with only a few single-word exceptions (ephemeris, lookup, remember). There is no chaotic mixing of conventions.

Tool Count2/5

35 tools is heavy for a focused MCP server, and this set mixes a handful of astronomy helpers with dozens of unrelated Pipeworx data, research, memory, subscription, and prediction-market tools. The set is over-scoped rather than well-scoped.

Completeness3/5

If the domain is NASA Horizons, only ephemeris/observers/vectors/lookup are relevant and the surface is severely incomplete for that API. If treated as a broad Pipeworx platform, coverage is more complete, but the lack of a coherent domain makes the overall surface feel unfocused.

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."

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