"SPARQL query language and tools" matching MCP servers:

MCP server for EU law via the EUR-Lex / Cellar SPARQL endpoint — legislation (ELI/CELEX) and CJEU case-law (ECLI) with verifiable citations.

Deterministic US equity-compensation tax optimizer. Six tools cover ISO/AMT exercise scheduling, NSO sell-vs-hold, RSU vest-and-sell, single-stock concentration, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification. Federal plus 50-state plus DC tax math.

MCP server for searching French and European law, providing natural language access to jurisprudence, consolidated legal texts, and related legal information via tools like search_decisions and search_legal_texts.

Enables AI agents to query German federal and state statutes, court decisions, and citation graphs, grounding citations, retrieving provision texts and versions, and understanding coverage limits through read-only tools.

Agent-friendly query layer over the ASD Information Security Manual, served via MCP. Enables agents to discover and interrogate ISM controls using plain language queries and coverage tracking for IRAP review.

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.

Enables deterministic evaluation of workplace injury recordability under 29 CFR Part 1904, using 11 typed triage tools to return cited determinations for OSHA log entries.

Construction trade compliance MCP server. Covers electrical, plumbing, HVAC, welding, roofing, gas fitting, solar and more across Australia, UK, USA, Canada and EU. 8 tools (3 free, 5 pro): compliance checking, cable sizing, RAMS generation, safety checklists, material compliance verification and inspection requirements. Works in Claude Desktop, Cursor, Windsurf and any MCP client.

Enables querying lawful COLREGS light displays for a vessel, returning every permitted option with per-light modality, paragraph citations, and verbatim rule text so results cannot be silently simplified by a language model.

Enables MCP-compatible agents to query security checklists, protocols, and framework mappings to safely build and operate AI agents, with tools for checklist runs, protocol lookup, mapping lookup, and threat search.

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.

Source-backed Sri Lanka payslip tools for APIT/PAYE, EPF, ETF, stamp duty, net pay, and employer cost.

Enables AI assistants to manage document signing workflows via natural language, including creating envelopes, uploading documents, analyzing contracts, and verifying blockchain anchors.

MCP Server for Swiss federal law — search the SR, monitor legal changes, and query BBl/treaties via Claude Desktop or Claude.ai.

Enables AI agents to safely query FINOS data standards with typed, read-only tools for AIGF risks and controls, CDM type and validation, and FDC3 intents and context schemas.

MCP server that gives Claude safety-gated access to SpotDraft contracts, enabling querying and managing contracts, templates, counterparties, obligations, and analytics through natural language.

Enables searching and bidirectional mapping of 1,451 security controls across 262 SCF-mapped frameworks, including ISO 27001, NIST CSF, DORA, and many others, through natural language queries.

Enables AI agents to stamp, cancel, and query Mexican CFDI 4.0 invoices through MCP tools, with support for local stdio and hosted HTTP transport.

Enables AI agents to query Hungary's official legislation database (NJT) using native ELI identifiers, retrieving metadata and full text with verifiable citations.

Query Lithuanian data protection regulations, decisions, and requirements from VDAI directly from MCP-compatible clients like Claude or Cursor.