"Web3.js" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Three public-data tools as MCP tools: building permits from 16 US city open-data portals on one schema (contractor leads, permit velocity); job postings from 9 ATS platforms (Greenhouse, Lever, Ashby, Workday, SmartRecruiters, Workable, Recruitee, Personio, Rippling) with company to ATS auto-discovery; and a free company ATS detector. Runs on Apify; send your Apify API token as a Bearer token. Pay per result, no subscription. https://makenomistakesllc.com
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
US government data as clean JSON for AI agents: SAM.gov contract opportunities, USAspending awards, Grants.gov grants, House STOCK Act trades, and SEC EDGAR filings (Form 4 insider trades, 8-K events, 13F holdings, 13D/G stakes, XBRL fundamentals, 10-K/10-Q sections). 19 read-only tools. Data is as fresh as each source publishes; congressional trades lag up to 45 days and report dollar ranges (House only). Free tier, no card.
Google Trends data: interest over time, by region, related queries, and trending now.
US federal contract recompetes with the incumbent named, awards by company, agency spend.
Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.
Normalize and verify Japanese postal addresses into structured fields for agents.
Public record of one read only walk over the official MCP registry: who answered, tools, who pays.
Japanese corporate number lookup using official National Tax Agency public data.
French RNCP/RS certification registers: search, sheets, blocs, validity, SIRET habilitation.
SINTEGRA: ES, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Conselho Regional de Odontologia ES: Cadastro, official-source lookup. Platform-hosted, pay per quer
21 paid tools: US macro data, SEC EDGAR filings, on-chain EVM reads. Settled in USDC on Base.
Prefeitura MS Mundo Novo: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pa
US weather alerts (NWS): warnings, watches. $0.01/query. Register in-session — free testnet funds.
No-API-key US market boards from SEC, Cboe, FINRA and CFTC: options flow, insiders, 13F, buybacks
DETRAN MS: Vehicle, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Read pages & files to text, news, weather, market holidays and timezones via x402.
DETRAN MS: Multas, official-source lookup. Platform-hosted, pay per query with prepaid credit.
