"Opera GX" matching MCP servers:

Model Context Protocol (MCP) server for Mexican Electronic Invoicing (CFDI 4.0, Complemento de Pagos 2.0). Provide tools to validate, generate, and explore API specifications for SAT/PAC interoperability.

Enables AI agents to validate Mexican RFC, CURP, CLABE and NSS identifiers with real check digits, parse CFDI 4.0 invoices with labelled SAT catalogue codes and verified totals, and query the SAT's public status service to see whether an invoice is still valid. It also generates coherent test people and companies, all read-only and without API keys, certificates or PAC contracts.

Enables searching and retrieval of UK legislation (Acts, Statutory Instruments) from legislation.gov.uk with persistent identifiers and verifiable citations.

Enables AI agents to interact with EAD Enterprise Suite for managing signatures, evidence, notifications, and dossiers.

MCP server for consulting negative debt certificates from SEFAZ GO (Brazilian state tax agency). Enables users to check tax status through a single read-only tool using official data.

MCP server that enables querying official Brazilian labor court records for negative certificates (Certidão Negativa de Feitos) using natural language. Provides a single read-only tool with prepaid per-query pricing.

Enables querying official clearance certificates (certidão negativa de débitos) from the Firminópolis city government, with read-only access and pay-per-query prepaid credit.

Enables users to look up official negative debt certificates from the Rio Verde city government in Goiás, Brazil, through a hosted, read-only MCP endpoint with prepaid per-query credits.

Enables querying official municipal debt clearance certificates from Itumbiara through natural language in MCP-compatible clients, with read-only access and prepaid per-query billing.

Enables Claude to search and retrieve legal sources from Mexican and inter-American courts (SCJN, TFJA, DOF, Corte IDH) with complete citations and official links.

Enables users to query official clearance certificates (negative debt certificates) from the Jataí city government in Goiás, Brazil, via a read-only, pay-per-use MCP tool.

Enables AI assistants to query an organization's device posture, compliance, policies, and software/CVE status through a remote, read-only, OAuth-secured MCP endpoint.

Enables querying Brazilian SINTEGRA tax registration data via a hosted MCP server, with read-only access and pay-per-query prepaid credits.

Forensic FX audit MCP. Detects hidden bank markups on cross-border payments and scores them 1-10. FINTRAC MSB registered (C10001283). Fully remote, no install required.

Enables AI agents to consult official municipal clearance certificates (debts) from Uruaçu, Goiás, using a hosted, read-only MCP endpoint with prepaid pay-per-query billing.

Enables users to look up official clearance certificates (certidão negativa de débitos) from the Aparecida de Goiânia city government, with read-only access and pay-per-query via prepaid credit.

Enables AI assistants to query and manage a GxP computerized system inventory as a knowledge graph, including blast-radius impact analysis, regulatory lineage, validation-gap detection, audit-trail-compliant status change approvals, and periodic review generation.

Lets AI agents query a computerized system inventory as a knowledge graph using Cypher, enabling blast radius, data lineage, regulation checks, and change impact assessments while preventing hallucinated regulatory claims.

MCP server that enables natural-language interaction with the Avito Ads advertising API, including campaign, ad group, and creative management, statistics retrieval, fund transfers, and ORD paperwork filing.

MCP server for GoCertius: certified evidence, dossiers, notifications and chats via AI agents.