"Understanding and Using JSON" matching MCP servers:

Local MCP server for validating EU VAT numbers using the official VIES API. Enables AI to check VAT validity and optionally retrieve consultation numbers for legal proof.

Enables converting Indian GST tax invoices into government INV-01 JSON payloads via OCR and deterministic extraction, with tools to validate GSTINs and re-validate payloads, and reports exactly what it couldn't read.

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.

Verifies contractor license status mid-task, returning normalized JSON with active/expired/suspended/revoked status, bond details, and insurance for WA (reliable) and CA (beta) jurisdictions.

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.

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.

Legal document redlining engine that applies AI-generated JSON changes as professional tracked changes with comments in .docx files, producing Word-indistinguishable output.

French compliance and KYC MCP server offering VAT validation (VIES), BODACC legal announcements, and company risk scoring using open data.

Enables AI agents to perform official Brazilian trademark searches on INPI's public pePI system, including lookup by process number, mark text, owner portfolio, or Vienna figurative code, with full process details and pagination. Each user authenticates with their own pePI login, with results returned as Markdown and structured JSON plus optional local caching and HTML reports.

Enables capturing evidence, retrieving platform takedown processes, and drafting DMCA/legal notices for content removal, using the Official AI API.

Enables LLM agents to extract, validate, and mask personally identifiable information using deterministic regular expressions, reducing token usage and hallucination risks.

Enables AI assistants to validate Russian business requisites (INN, OGRN, bank accounts) via checksums, extract them from text, and retrieve counterparty details by INN using DaData.

MCP server for searching and retrieving Pakistani federal statutes and Supreme Court judgments with structured citations, using static HuggingFace datasets.

Enables determining whether Korean patent applications/registrations are currently valid, verifying cited patent numbers in text, and searching Korean patents filtered by legal status, using KIPRIS Plus data.

Enables AI models to search and retrieve legal documents, magazine issues, comments, and related references from the Linde database (linda.lindeverlag.at) using the Model Context Protocol.

Enables AI assistants to search, read, and analyze Italian civil court decisions from the Ministry of Justice's Banca Dati di Merito, using CIE authentication.

Provides verification and utility APIs for AI agents to validate tax IDs, screen sanctions, verify companies, and inspect domains using prepaid USD credits, with no charge for failed checks.

Enables querying EU legal documents, case law, and citation graphs through natural language using the LexAPI.

Enables AI agents to generate documents (PDF/DOCX/Factur-X) and manage electronic signatures (eIDAS/PAdES) via natural language using LayerOne's DocX and Sign APIs.

Natural-language search and review of South Korea's national R&D regulations (acts, decrees, and administrative rules) for researchers and research administrators. Returns current in-force provisions with citations, fetched live from the official national law database (law.go.kr Open API).