Lob
Server Details
Lob MCP — US address verification, bulk verification, and autocompletion
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- Status
- Unhealthy
- Uptime
- 0.1% over 22 days
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- pipeworx-io/mcp-lob
- GitHub Stars
- 0
- Server Listing
- mcp-lob
TDQS
Scored across 39 tools
Several tool families overlap heavily: ask_pipeworx / ask_pipeworx_beta / ask_pipeworx_grounded / deep_research / validate_claim all answer questions from routed sources, and polymarket_edges / polymarket_arbitrage / polymarket_fill_risk / polymarket_edge_tracker / polymarket_kalshi_spread all scan related prediction-market edges. The descriptions do provide preference guidance, but an agent still has to read carefully to choose correctly.
Nearly all tools use consistent snake_case, with predictable patterns like lob_verify_address, resolve_entity, polymarket_fill_risk, and recent_changes. Minor deviations such as ask_pipeworx_beta, generate_llms_txt, and scan_dependency are readable and do not break the convention.
39 tools is heavy for a single MCP server, especially because the set mixes Lob address verification, a broad Pipeworx data gateway, memory, subscriptions, AI visibility, and multiple prediction-market analytics suites. The count increases selection burden and exceeds the typical well-scoped 3–15 range.
For a universal data/research gateway the surface is broad: discovery, question routing, grounded answers, deep research, entity resolution, financial facts, prediction-market analysis, memory, subscriptions, and feedback are all covered. Some areas are explicitly incomplete or empty, such as external resource creation and the court release category, but agents have workarounds via meta-tools.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
39 tool updates
- First observed
ai_visibility_check - First observed
ask_pipeworx - First observed
ask_pipeworx_beta - First observed
ask_pipeworx_grounded - First observed
bet_research - First observed
company_facts - First observed
compare_entities - First observed
deep_research - First observed
discover_tools - First observed
entity_profile - First observed
forget - First observed
generate_llms_txt - First observed
kalshi_weather_edge - First observed
list_subscriptions - First observed
lob_autocomplete - First observed
lob_verify_address - First observed
lob_verify_bulk - First observed
pipeworx_feedback - First observed
pipeworx_trending - First observed
polymarket_arbitrage - First observed
polymarket_edge_tracker - First observed
polymarket_edges - First observed
polymarket_fill_risk - First observed
polymarket_kalshi_spread - First observed
recall - First observed
recent_alerts - First observed
recent_changes - First observed
release_calendar_markets - First observed
remember - First observed
resolution_audit - First observed
resolution_diff - First observed
resolve_entity - First observed
scan_competitor_ai_presence - First observed
scan_dependency - First observed
search_within - First observed
subscribe - First observed
suggest_questions - First observed
unsubscribe - First observed
validate_claim
Related MCP Connectors
Verify US & international addresses and send physical mail (postcards, letters, checks) via Lob.
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