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Serper

by io.github.pipeworx-io
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Serper MCP — wraps the Serper Google Search API (serper.dev)

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Status
Unhealthy
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-serper
GitHub Stars
0
Server Listing
mcp-serper

TDQS

A3.9/5.0

Scored across 34 tools

Disambiguation3/5

The descriptions go to great lengths to distinguish the many meta-routing tools (ask_pipeworx, grounded, beta, deep_research, validate_claim, bet_research, entity_profile, recent_changes, compare_entities), which mostly have clear boundaries. However, ask_pipeworx_beta is currently identical to ask_pipeworx, and several other tools overlap heavily in routing to the same 5,961-tool catalog, creating real misselection risk.

Naming Consistency4/5

All names are consistently snake_case, with no camelCase or mixed styles, which makes the surface predictable. Some names are noun-only (news, places, search, remember) while others are verb_noun (list_subscriptions, resolve_entity, generate_llms_txt), so the pattern is not uniformly verb_noun but is still readable and consistent.

Tool Count2/5

34 tools is well above the 25-tool threshold for 'too many' and the set includes multiple near-duplicate meta-routers (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded) plus several related Polymarket analysis tools. The breadth of the gateway partially justifies the count, but the surface is heavy and contains redundancy.

Completeness4/5

The surface covers discovery (discover_tools, suggest_questions), lookup/routing, grounded answers, validation, comparison, entity profiling, change tracking, memory CRUD, subscriptions, feedback, and several specialized domains, which is broad for a data gateway. Minor gaps exist, such as no explicit update operation for stored memories and no direct lower-level data-pack tools exposed outside the router tools.

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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