Overheid Nl
Server Details
data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).
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- Status
- Unhealthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- pipeworx-io/mcp-overheid-nl
- GitHub Stars
- 1
- Server Listing
- mcp-overheid-nl
TDQS
Scored across 35 tools
There is a cluster of heavily overlapping routing/meta tools: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research, discover_tools, suggest_questions, and validate_claim all answer 'route a question to data,' and the descriptions themselves admit beta 'currently matches ask_pipeworx exactly.' The six Polymarket tools (edges, arbitrage, fill_risk, edge_tracker, kalshi_spread, bet_research) also overlap on edge-detection, though their descriptions work hard to differentiate boundaries. Distinct tools like remember/recall/forget and resolve_entity are clearly separated.
Nearly everything is snake_case, and a clear verb_noun pattern dominates (search_datasets, list_organizations, resolve_entity, validate_claim, subscribe/unsubscribe, remember/recall/forget). Minor deviations exist (entity_profile, dataset_details, pipeworx_feedback, pipeworx_trending are noun/prefixed forms) but the convention is predictable and readable throughout.
35 tools is heavy for a single MCP surface and forces the agent to choose among seven routing tools and six polymarket tools. While a broad data gateway can justify many tools, the count crosses into 'agent must read a lot to pick correctly' territory, and several tools (beta router, group listing) add little unique surface.
Coverage is genuinely broad and lifecycle-complete: dataset discovery/retrieval, entity resolution, grounded Q&A, memory CRUD, subscription lifecycle (subscribe/unsubscribe/list/recent_alerts), and prediction-market analysis. The main gap is thematic mismatch — the server is named 'Overheid Nl' yet only four tools touch Dutch gov open data, and list_groups is documented as returning empty.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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": "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 (\"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 (\"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."
- 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
Netherlands Open Data (data.overheid.nl/data) CKAN MCP.
data.gov.uk MCP — UK national open-data portal (CKAN API).
GovData.de MCP — Germany's national open-data portal (CKAN API).
dati.gov.it MCP — Italy's national open-data portal (CKAN API).
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