Census
Server Details
Census MCP — U.S. Census Bureau housing-relevant APIs.
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- Status
- Unhealthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- pipeworx-io/mcp-census
- GitHub Stars
- 0
- Server Listing
- census
TDQS
Scored across 36 tools
Several tools have near-identical purposes: ask_pipeworx, ask_pipeworx_beta, and ask_pipeworx_grounded all route questions to the same catalog, differing only in grounding or experimental status. deep_research overlaps with ask_pipeworx for multi-part questions, and the many polymarket tools (edges, arbitrage, fill_risk, kalshi_spread, edge_tracker) all scan for mispricings with overlapping intent, making selection confusing despite detailed descriptions.
Most tools use predictable snake_case with a domain prefix (census_*, polymarket_*, pipeworx_*), and verbs are generally consistent. Minor inconsistencies exist: ask_pipeworx_beta is a suffix variant rather than a distinct verb form, and tools like remember/recall/forget break the namespace pattern, but overall naming is readable and mostly consistent.
36 tools is heavy for a single MCP connection, exceeding the typical 3-15 sweet spot. The count reflects overlapping capabilities (three ask_pipeworx variants, five polymarket trading tools, multiple Census housing tools, multiple entity-resolution tools) rather than distinct necessary operations, making the surface feel bloated.
The surface covers a broad range: universal data routing, entity resolution, memory, subscriptions, comparison, and domain-specific lookups (Census, Polymarket, dependency scanning). Gaps are minor but real—no generic update/delete for entities, and the polymorphic 'ask' tools lack a clear lifecycle—but agents can work around missing operations via discovery and feedback tools.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
1 tool update
- Changed
bet_research2 fields changed- changed
Input schema / examplesPrevious 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" + } +] - changed
Input schema / properties / market / descriptionPrevious 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."
2 tool updates
- Changed
bet_research2 fields changed- changed
Input schema / examplesPrevious 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" + } +] - changed
Input schema / properties / market / descriptionPrevious 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."
- Changed
polymarket_kalshi_spread2 fields changed- changed
Input schema / examplesPrevious value: -[ - { - "topic": "fed" - }, - { - "topic": "btc" - } -]New value: +[ + { + "topic": "fed" + }, + { + "topic": "btc" + }, + { + "topic": "bitcoin" + }, + { + "topic": "fed rate decision" + } +] - changed
Input schema / properties / topic / descriptionPrevious 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."
1 tool update
- Changed
entity_profile3 fields changed- changed
Input schema / properties / type / descriptionPrevious 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." - changed
Input schema / properties / type / enumPrevious value: -[ - "company" -]New value: +[ + "company", + "ticker" +] - changed
Input schema / properties / value / descriptionPrevious 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."
1 tool update
- Changed
resolve_entity1 field changed- changed
Input schema / properties / value / descriptionPrevious 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."
Related MCP Connectors
HUD MCP — U.S. Department of Housing and Urban Development APIs.
FCC public geo/census APIs (geo.fcc.gov) MCP.
Query U.S. Census Bureau data, variables, and geography via MCP.
BLS MCP — Bureau of Labor Statistics public data API (v2)
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