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Mempool Space

by io.github.pipeworx-io
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mempool.space MCP — Bitcoin block explorer + mempool/fee stats

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Status
Unhealthy
Uptime
36.9% over 37 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-mempool-space
GitHub Stars
0
Server Listing
mcp-mempool-space

TDQS

C2.9/5.0

Scored across 41 tools

Disambiguation1/5

The set is deeply confusing due to massive overlap: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research, discover_tools, and suggest_questions all serve similar meta-purposes. Furthermore, the core purpose appears to be a Bitcoin mempool explorer (block_height, get_address, mempool_stats, etc.), but it is overlaid with a huge general-purpose data routing layer (Pipeworx) whose tools (entity_profile, compare_entities, recent_changes, etc.) are completely unrelated to the server name. An agent cannot reliably select the correct tool for a given intent.

Naming Consistency2/5

Naming conventions are inconsistent across the two domains. Blockchain tools use snake_case (block_height, get_address) and sometimes omit the get_ prefix inconsistently (block_height vs get_block). Pipeworx meta-tools mix prefixes (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research, discover_tools) and include unusual patterns like pipeworx_feedback, pipeworx_trending. There is no single predictable verb_noun pattern.

Tool Count2/5

41 tools is too many for a server ostensibly focused on the Bitcoin mempool. The large majority of tools belong to a different domain (financial/economic data) and are not cohesive with the blockchain tools, making the set unwieldy and difficult to navigate.

Completeness3/5

For the Bitcoin mempool domain, the tool set covers core operations (address lookup, transactions, blocks, mempool stats, fees, hashrate, mining pools), but it is missing write/broadcast capabilities (e.g., submit transaction, estimate fee). However, because the server also bundles a vast unrelated data-routing layer, assessing overall completeness against a single domain is impossible; the set is uneven and lacks coherence.

Tool Schema Changelog

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

  1. 1 tool update
    • Changedentity_profile3 fields changed
      • changedInput schema / properties / type / description
        Previous value: -"Entity type. Only \"company\" supported today; person/place coming soon."New value: +"\"company\" or \"ticker\" — both are accepted and behave identically; `value` can be a ticker, CIK, or company name either way. person/place coming soon."
      • changedInput schema / properties / type / enum
        Previous value: -[
-  "company"
-]New value: +[
+  "company",
+  "ticker"
+]
      • changedInput schema / properties / value / description
        Previous value: -"Ticker (e.g., \"AAPL\") or zero-padded CIK (e.g., \"0000320193\"). Names not supported — use resolve_entity first if you only have a name."New value: +"Ticker (e.g., \"AAPL\"), zero-padded CIK (e.g., \"0000320193\"), or company name (e.g., \"Moderna\") — names resolve via SEC EDGAR company-name match."
  2. 1 tool update
    • Changedresolve_entity1 field changed
      • changedInput schema / properties / value / description
        Previous value: -"For company: ticker (AAPL), CIK (0000320193), or name. For drug: brand or generic name (e.g., \"ozempic\", \"metformin\")."New value: +"For company: ticker (AAPL), CIK (0000320193), or name. For drug: brand or generic name (e.g., \"ozempic\", \"metformin\"). Pass the ENTITY NAME ONLY — for a bond that is the ISSUER exactly as printed (\"NEW YORK ST DORM AUTH\"), never the question's full noun phrase (\"NEW YORK ST DORM AUTH revenue bonds\"): the FIGI lookup matches instrument names, so trailing security-class words match nothing."

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