"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP servers:

Records a sale of a vehicle, equipment or stock and produces a printable bill of sale with signature lines. Drafts can be edited and finalized into a frozen signing copy rendered as Markdown or self-contained HTML for print-to-PDF.

MCP server for Azerbaijan's official legal-acts database (e-qanun.az), enabling search, metadata retrieval, and full-text access to legislative and judicial documents.

Enables Claude Desktop and Claude Code to query Korean KIPRIS Plus and European EPO OPS patent data for bibliographic details, family members, legal status, claims, descriptions, abstracts, and search results using each user's own free API keys.

Legacy eCFR MCP listing for reading CFR text, FAR, DFARS, and agency supplements. Maintenance transferred to AcqAgent: https://github.com/acqagent/mcps. This listing's build and 13-tool evaluation cover eCFR only, not the other servers in the 1102tools monorepo.

Provides AI governance and EU AI Act compliance through a council of 12 AIs, enabling risk management, transparency, bias detection, and content watermarking.

Enables automated company formation across multiple jurisdictions with REST and MCP interfaces. Supports jurisdiction listing, requirement details, cost estimation, and secure API key management.

Torify gives AI agents the Japanese locale primitives that standard libraries lack — imperial era date conversion (wareki), qualified invoice number validation with NTA registry lookup, corporate number lookup (法人番号), postal code resolution, name romanization (Hepburn), and kanji-to-kana conversion via Yahoo! JLP. 31 endpoints total. No authentication required for MCP. Pay-per-call $0.02/call via

MCP server for querying official first-instance court certificates from the Tribunal de Justiça do Rio Grande do Sul (TJRS) in a read-only manner. It provides one tool to perform consultation via official sources, works with any MCP-compatible client, and charges per-use with prepaid credits.

Consulta registros de uma pessoa ou empresa no Ministério Público do Trabalho (MPT) a partir do CPF ou CNPJ e região, usando uma ferramenta de leitura.

This MCP Server provides a natural language interface to interact with Google's Policy Analyzer API, allowing users to analyze policies and evaluate compliance through conversations.

Reads and validates any European e-invoice a business receives — XRechnung, UBL, CII, ZUGFeRD/Factur-X PDF, Peppol BIS 3, FatturaPA, KSeF FA(3) — into canonical EN 16931 JSON with plain-language fix hints in EN/DE/PL/IT/FR, plus PDF, CSV and DATEV export. Nothing is stored; works without a key on a small daily quota.

Japan Operations OS for AI agents — 14 knowledge domains covering regulations, protocols, calendar, travel, food culture, language, disaster safety, daily life, and persistent memory. 31 MCP tools via REST + Streamable HTTP.

Enables AI assistants to interact with Brazilian electronic invoices (NF-e, NFC-e, NFS-e) via Nuvem Fiscal API, including CNPJ lookup, invoice issuance, cancellation, and PDF generation.

Generate Polish legal documents (sales contracts, powers of attorney, termination letters, loan agreements, handover protocols) directly from your AI assistant. No API key required.

Enables querying labor lawsuits (processos trabalhistas) in Brazilian Regional Labor Courts (TRT) using CPF or CNPJ, with read-only access and pay-per-use credits.

Enables users to query official TJSP second-degree court case data through a read-only MCP tool, paying per query with prepaid credits.

Enables official-source lookup of municipal ISSQN registration certificates for Porto Alegre through a read-only MCP tool. Access is platform-hosted with prepaid, per-query credits.

MCP server for consulting official first-degree court certificates from Tribunal TJMT for individuals, read-only and pay-per-use via prepaid credits.

Enables consultation of first-degree court certificates from the Tribunal de Justiça da Bahia (TJBA) through an official source, with read-only access and pay-per-use credits.

Enables querying official first-degree court case information from the São Paulo Court of Justice (TJSP). It provides a read-only MCP tool, accessible via HTTP, with pay-per-use pricing and no platform credentials required.