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Bookbrainz

by io.github.pipeworx-io
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BookBrainz MCP — open book metadata (MetaBrainz / sister of MusicBrainz)

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Status
Unhealthy
Uptime
40.9% over 41 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-bookbrainz
GitHub Stars
0
Server Listing
mcp-bookbrainz

TDQS

A4/5.0

Scored across 34 tools

Disambiguation3/5

Most tools have distinct purposes, and the polymarket_* family is well-separated by sub-purpose. However the ask_pipeworx / ask_pipeworx_beta / ask_pipeworx_grounded / deep_research cluster is genuinely confusing — beta is explicitly documented as identical to the stable router, and the 'prefer grounded' vs 'prefer plain' guidance overlaps. Company-lookup tools (entity_profile, recent_changes, compare_entities, resolve_entity, validate_claim) are distinguishable but close in intent.

Naming Consistency4/5

All names are uniformly lowercase snake_case, which is a strong baseline. Consistency of convention is weaker: single verbs (browse, lookup, search, remember) mix with noun phrases (entity_profile, recent_changes, search_within), and the pipeworx_ prefix is applied to only some tools (pipeworx_feedback, pipeworx_trending). Mostly predictable with minor deviations.

Tool Count3/5

34 tools is heavy by the rubric and includes near-duplicate ask variants that do not each earn their place. The gateway scope does span many domains (research, polymarket, memory, subscriptions, AI visibility), so the breadth is defensible, but this is at the borderline-heavy end.

Completeness4/5

For a data-gateway surface the coverage is broad: research, tool discovery, entity resolution, comparison, memory CRUD (remember/recall/forget), subscription lifecycle (subscribe/list/unsubscribe/recent_alerts), validation, and feedback. Only minor gaps remain (e.g. no quota/status tool). Notably, the BookBrainz read surface itself is thin (search, lookup, browse only), which is a scope mismatch rather than a hard gap.

Tool Schema Changelog

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

  1. 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": "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 (\"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 (\"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."
    • 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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