Schema | LeXML-mcp

LeXML-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`LEXML_SRU_URL`	No	SRU endpoint	https://www.lexml.gov.br/busca/SRU
`LEXML_TIMEOUT`	No	HTTP request timeout (seconds)	15.0
`LEXML_CACHE_TTL`	No	Cache TTL (seconds)	300
`LEXML_URN_TEMPLATE`	No	URN resolution template	https://www.lexml.gov.br/urn/{urn}
`LEXML_CACHE_MAXSIZE`	No	Max cache entries	256

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
lexml_searchA	Search the LexML SRU acervo. Args: query: CQL query string (e.g. 'dc.title any "constituição"') start_record: First record position (default 1) maximum_records: Max records to return (default 10, max 100) record_schema: Record schema (default 'dc', allowed: dc, oai_dc) filters: Structured filters {title, terms[], document_type, authority, date_from, date_to}. Mutually exclusive with query. When provided, generates safe CQL.
lexml_resolve_urnA	Resolve a LexML URN to its public URL. Args: urn: LexML URN (e.g. 'urn:lex:br:federal:lei:1990-09-11;8078') verify: If True, follow redirects and validate final host (SSRF guard). Default False — only constructs the URL without network call.
lexml_explainA	Retrieve metadata about the LexML SRU service (explain operation).

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
`explain_resource`	Return cached explain data from the SRU service.

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