"Researching an author based on their books" matching MCP connectors:

Order official German energy certificates (Energieausweis) from chat — on invoice, 1-2 days.

Hosted, zero-install MCP for source-provenanced US federal healthcare provider data. Resolve any NPI or CCN across NPPES, OIG LEIE, SAM.gov, state Medicaid exclusions, PECOS, Care Compare, and Open Payments — every field carries a 14-field provenance contract, with an "excluded or compromised anywhere" check on every lookup.

Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude. Checks eligibility before recommending, explains why each grant fits, and cites the funder's own page on every answer — with an honest "competition_risk: unknown" when the data isn't there. 6 tools: search, fetch, find_opportunities, should_apply, explain_opportunity, complete_profile. Transport: Streamable HTTP. Auth: OAuth 2.1 + PKCE. Free to install, no card required.

A Model Context Protocol server that provides Philippine License to Sell (LTS) verification data to LLMs. Built on Cloudflare Workers with Supabase. Public, read-only, no authentication required. Data sourced from the Department of Human Settlements and Urban Development (DHSUD) License to Sell registry and cross-referenced with published real estate projects on REN.PH.

Read-only data on 3.9M Romanian companies: search, profiles, financials, status, CAEN.

eu-verify lets AI agents verify any European business partner: company existence (official French SIREN registry), insolvency records (BODACC), EU VAT validation before invoicing (VIES), SIRET/IBAN/LEI checks, address and email verification, French business-day deadlines and EU public tenders. 10 paid MCP tools + a free catalog tool, plus 81 HTTP endpoints. Each call costs $0.001-$0.01 in USDC on Base via the x402 protocol - no account, no API key, never billed for failed answers. Official sourc

SLA'd EU VAT validation on VIES. Honest 3-state result, never guesses. 100 free lookups.

Maps a product name or description to Harmonized System / HTS customs classification codes — the lookup customs brokers, import/export compliance teams, and trade-automation agents need before filing a shipment or estimating duty. Returns ranked HS/HTS candidates. Pay-per-call via x402 (USDC on Base): $0.03/call, no account or API key. tools/list and /openapi.json are free for discovery.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Search, verify & screen 1M+ African companies + their government contracts across 18 registries.

Query US tap-water quality from the EPA's own SDWIS records: the water systems serving a city, contaminants and violations on record (with dates and whether the EPA classifies them as health-based), compare cities, and explain contaminants. Public, no-auth, read-only. ~19,000 cities across all 50 states + DC, ~1.5M EPA records. Every response reports what the EPA recorded, never a safety verdict.

The Texas Voice strives to be an honest and trustworthy source of information about Texas politics and government.

Japanese public-sector business opportunities for AI agents: tenders, subsidies, sanctions. x402.

Raw Japanese regulatory data for AI agents: pension, gazette, gBizINFO. x402-metered (USDC).

Danish Parliament (Folketinget) open data MCP — oda.ft.dk, an OData v3 API.

Read-only MCP server for The Cracks Index: ranks countries and regions on social-safety strength

USGS commodity benchmarks, attested field run logs, and mining/geologic district data for AI agents. Nine data endpoints gated by x402 ($0.10 USDC on Base). Tools: get_commodity_benchmark (gold, silver, copper, and 17 more critical minerals), get_ultrasound_run_data (on-chain EAS-attested gravity-separation field runs), district.history (MRDS-sourced deposit and assay history by country/state/district), and ask_sales_agent. No API keys — pay per call in USDC.

MCP server offering regulator-sourced legitimacy checks on investment entities by name or URL.

Instant U.S. property intelligence — zoning, Buildability Score, FEMA flood zones, environmental risk. 20+ government data sources. Answers "Can I build on this property?" in seconds. Free tier, no signup required.

Bulk-validate EU VAT numbers against the European Commission's official VIES service, with the official consultation number as audit evidence on every check. Pay-per-use ($5 per 1,000 validations), billed through your Apify account.