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Blockchair

by io.github.pipeworx-io
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Server Details

Blockchair MCP — multi-chain block explorer (free tier, keyless).

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Status
Unhealthy
Uptime
45.0% over 39 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-blockchair
GitHub Stars
0
Server Listing
mcp-blockchair

TDQS

B3.2/5.0

Scored across 41 tools

Disambiguation2/5

The set has several near-duplicate or heavily overlapping tools: ask_pipeworx, ask_pipeworx_beta (explicitly identical right now), and ask_pipeworx_grounded all answer the same class of questions, while discover_tools and suggest_questions both serve discovery/onboarding. The blockchain tools are distinct, but the prediction-market and query tools blur together enough to cause misselection.

Naming Consistency3/5

Most names follow lowercase snake_case, which is readable, but there is no consistent verb_noun pattern: some are bare nouns (address, block, node, stats, transaction), some are verbs (remember, forget, recall, subscribe), and some are composite phrases (generate_llms_txt, kalshi_weather_edge). The pipeworx_* and polymarket_* prefixes help, but the overall convention is mixed.

Tool Count2/5

41 tools is well over the typical well-scoped range, and the count is especially unjustified because the server is named Blockchair but only ~5 tools are actually blockchain tools. The remaining ~36 tools span unrelated domains (data querying, prediction markets, memory, subscriptions, npm scanning), making the surface feel like several servers merged into one.

Completeness2/5

The blockchain portion is thin: basic address/block/transaction/node/stats lookups exist, but much of Blockchair's typical surface (mempool, raw scripts, multi-address queries, richer transaction views) is absent. The broader data-query and prediction-market portions are fairly extensive, but the set lacks a coherent domain against which coverage can be judged, and the redundant ask_pipeworx variants suggest unfinished consolidation.

Tool Schema Changelog

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

  1. 5 tool updates
    • Addedcompany_facts
    • Addedkalshi_weather_edge
    • Addedrelease_calendar_markets
    • Addedresolution_audit
    • Addedresolution_diff
  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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