"SearXNG - Open Source Metasearch Engine" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
Verified brand claims with receipts for agent commerce. Ranking is never paid; the engine is open.
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Resolve scholarly identifiers (DOI, PMID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into citations (10,000+ CSL styles) and exports (BibTeX, RIS, EndNote...), plus retraction, open-access, and citation-fabrication checks. Six tools, anonymous-friendly Streamable HTTP.
ILO labour statistics (ILOSTAT) with full provenance: source, vintage, license. 4 tools.
9.9M+ tenders, RFPs & grants. 60 countries with a national procurement source, 193 with any record.
Search US sex-offender registries and criminal records, with per-source citations.
The open-source talent graph for humans and AI agents. Find developers.
Search people open to work and fetch their machine-readable cv.json, from any AI assistant.
SigB (Signal Bureau): maintained, source-traced record of entities and events in your named domain.
Current UK tax-year rates and thresholds, verified against gov.uk with source URLs and dates.
Open manufacturing and maker facility locations for country and facility-type queries.
Voluntary carbon market news and open carbon price data. Read-only, keyless.
Connect your QI SCD account to AI via Brazil's Open Finance: balances, statements, cards, investment