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Chembl

by io.github.pipeworx-io
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Server Details

ChEMBL MCP — drug discovery database (EBI).

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

TDQS

B3.3/5.0

Scored across 42 tools

Disambiguation1/5

The set contains multiple near-duplicate tools (ask_pipeworx and ask_pipeworx_beta are explicitly identical; mechanism and chembl_mechanism overlap; five polymarket edge tools cover similar ground), so an agent cannot reliably tell them apart. The 42 tools also span completely unrelated domains under the 'Chembl' name, making misselection very likely.

Naming Consistency2/5

Most names follow a snake_case pattern, but the set mixes verb-first names (ask_pipeworx, list_subscriptions, generate_llms_txt), bare nouns (molecule, target, activities, mechanism), and inconsistent phrasings like bet_research or discover_tools versus search. It is readable but not predictable enough to infer behavior from the name.

Tool Count2/5

42 tools is far too many for a server named Chembl, and only a small fraction actually serve ChEMBL data. Large clusters of prediction-market, memory, subscription, and unrelated Pipeworx tools inflate the count and include redundant variants rather than distinct capabilities.

Completeness3/5

The ChEMBL core covers common read-only queries: search, molecule, target, activities, mechanism, and drug indications. However, there are dead ends such as documents being searchable but not retrievable, no assay record tool, and the overall surface is diluted by many unrelated tools that do not form a coherent ChEMBL domain.

Tool Schema Changelog

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

  1. 6 tool updates
    • Changedactivities4 fields changed
      • changedOutput schema / properties / activities / items / properties / qudt_units / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
      • changedOutput schema / properties / activities / items / properties / standard_units / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
      • changedOutput schema / properties / activities / items / properties / units / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
      • changedOutput schema / properties / activities / items / properties / uo_units / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
    • Addedkalshi_weather_edge
    • Addedrelease_calendar_markets
    • Addedresolution_audit
    • Addedresolution_diff
    • Changedsearch2 fields changed
      • changedOutput schema / properties / molecules / items / properties / molecule_type / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
      • changedOutput schema / properties / molecules / items / properties / pref_name / type
        Previous value: -"string"New value: +[
+  "string",
+  "null"
+]
  2. 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."
  3. 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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