"HAL" matching MCP servers:

An MCP server that lets AI assistants query the HAL open archive, including publication search, statistics, citation export, and researcher tracking via natural language.

Enables searching and retrieving documents from the French national open research archive HAL, including author and research structure lookups.

Enables querying Red Hat security data including CSAF advisories, CVEs, and OVAL streams through natural language.

Read-only MCP server that queries official Brazilian tax registration data from Receita Federal's Acréscimos Legais (SAL) system, paid per-use with prepaid credits.

Enables AI agents to research U.S. companies and associated people using official state registries and free regulatory datasets, with normalized evidence and optional browser automation.

MCP server for querying SEFAZ AL DEC Caixa Postal data from the official source, enabling reading and writing via one tool in any MCP-compatible client. It is hosted with prepaid per-use credits and requires no platform credentials.

Read-only MCP server for consulting NFC-e (electronic consumer invoice) data from the official SEFAZ AL source, with a single query tool for use via natural language.