Mempool Space is answering right now. Last checked 1 min ago. 387 installs a week from npm. It exposes 54 tools. Last commit 29 Oct 2026.
mempool.space MCP — Bitcoin block explorer + mempool/fee stats
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 8 August 2026. No other catalogue keeps this.
Today is the operative word: we check Mempool Space every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.
claude mcp add mempool-space --transport http https://gateway.pipeworx.io/mempool-space/mcp
https://gateway.pipeworx.io/mempool-space/mcp
[mcp_servers.mempool-space]
url = "https://gateway.pipeworx.io/mempool-space/mcp"
{
"mcpServers": {
"mempool-space": {
"url": "https://gateway.pipeworx.io/mempool-space/mcp"
}
}
}
{
"servers": {
"mempool-space": {
"type": "http",
"url": "https://gateway.pipeworx.io/mempool-space/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
polymarket_arbitrage
polymarket_edge_tracker
polymarket_edges
polymarket_fill_risk
polymarket_kalshi_spread
ask_pipeworx
ask_pipeworx_beta
ask_pipeworx_grounded
get_address
get_address_transactions
archive_compare
archive_evidence
block_height
get_block
company_facts
company_register_search
pipeworx_feedback
pipeworx_trending
recent_alerts
recent_changes
resolution_audit
resolution_diff
scan_competitor_ai_presence
scan_dependency
updown_divergence_rate
updown_venue_compare
bet_research
classify_row
compare_entities
deep_research
discover_tools
entity_profile
forget
generate_llms_txt
hashrate
kalshi_weather_edge
mempool_stats
mining_pools
prediction_calibration
recall
recommended_fees
release_calendar_markets
remember
research_row
resolve_entity
get_tx_status
subscribe
list_subscriptions
suggest_questions
get_transaction
unsubscribe
validate_claim
ai_visibility_check
search_within
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://gateway.pipeworx.io/mempool-space/mcp | streamable-http | answering | 119 ms | 1 min ago |
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