"F#" matching MCP connectors:

Public, read-only MCP over the complete 64-hexagram I Ching corpus. Deterministic lookup only.

Gemology & gemmology: 215 FGAA terms, 25 handbooks, live gem stock, signed passport verification.

Historical FX rates for 100+ currencies vs USD from IMF and World Bank data, 1940-present.

Family Office Knowledge Graph: read-only MCP door over the public record. Agentic KG Holdings.

Verify a company on GLEIF LEI and SEC EDGAR, screen sanctions. No key; quota-free data.

Abandonment checks for WordPress, npm and PyPI packages, priced per call.

Live & historical FX rates and currency conversion for AI agents. No API keys.

Search Japanese subsidies and public company data using J-Grants, gBizINFO, and EDINET.

Dated funding and SEC 8-K events, each linked to the filing it came from.

Funding rounds, exec moves, UCC liens and Form 5500 plans. 7 tools need no API key.

CERT-FR (ANSSI) security advisories & alerts: French national CERT vulnerability feed, hourly

Portal da Transparência: Cadastro de Empresas Inidôneas e Suspensas (CEIS), official-source lookup.

NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.

SEFAZ PR: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Tribunal TSE: Doadores e Fornecedores, official-source lookup. Platform-hosted, pay per query with p

Finds companies at JUCESP from a partner (name, CPF or CNPJ), returning each NIRE. Platform-hosted,

Tribunal TRF6: Certificate Negativa Cível e Criminal, official-source lookup. Platform-hosted, pay p

Tribunal TRF2: Certificate Negativa Cível e Criminal, official-source lookup. Platform-hosted, pay p

SEFAZ RO: NFC-e Resumida, official-source lookup. Platform-hosted, pay per query with prepaid credit

Portal da Transparência: Convênios e Acordos, official-source lookup. Platform-hosted, pay per query