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Gunbroker

by io.github.pipeworx-io
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Server Details

GunBroker MCP Pack — wraps the GunBroker firearms-marketplace API.

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Status
Unhealthy
Uptime
36.3% over 47 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-gunbroker
GitHub Stars
0
Server Listing
mcp-gunbroker

TDQS

A3.6/5.0

Scored across 34 tools

Disambiguation2/5

Three near-identical routers (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded) plus deep_research, discover_tools, and suggest_questions all occupy overlapping 'find/answer anything' space, and the server is named Gunbroker yet only 3 of 34 tools concern GunBroker. entity_profile vs recent_changes vs compare_entities vs resolve_entity also blur, and ai_visibility_check overlaps scan_competitor_ai_presence.

Naming Consistency3/5

Mostly snake_case verb_noun, but the naming mixes convention families: prefixed tools (gunbroker_get_item, gunbroker_search_items, pipeworx_trending, pipeworx_feedback) alongside unprefixed ones (ask_pipeworx, recall, forget, subscribe), and generic verbs (validate_claim, scan_dependency) sit next to domain-specific ones with no single predictable scheme.

Tool Count2/5

34 tools is heavy for what the name implies, and much of the count is redundant surface (three routers, multiple meta-discovery tools, five+ overlapping Polymarket tools). A GunBroker server carrying a full data-gateway toolkit signals scope sprawl rather than a tightly scoped set.

Completeness2/5

For the stated GunBroker domain the surface is thin: only get-item, search, and seller-sold-orders exist, with no listing creation, bidding, watchlists, categories, or buyer orders. As a Pipeworx gateway it is broad but leans on generic routers instead of concrete lifecycle tools, leaving clear gaps either way.

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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